Materials
related to High-Gradient Cavity Package (Mainly WG5-Asia biweekly Meeting
materials).
Contributions to the 33rd Linear Acc. Meeting 2008 at Hiroshima, Japan (6th - 8th Aug.
2008).
- “Series
tests of high-gradient single-cell superconducting RF cavities” in
Japanese by Furuta-san PDF file.
- “Rinsing
tests of single-cell SCRF cavities with endgroup” in Japanese by
Furuta-san PDF file.
- “Field
flatness study on 9-cell superconducting RF cavity” in Japanese by
Furuta-san PDF file.
Contributions to the proceedings of
EPAC 2008 at Genoa, Italy (23rd - 27th June
2008).
- “The
first measurement of low-loss 9-cell cavity in a cryomodule at STF”
by Saeki-san PDF file.
Presentations
in SCRF meeting at FNAL (21st-25th April 2008).
- Very
preliminary results of ICHIRO 9-cell cavity test in cryomodule at STF 0.5
by Saeki-san PDF file.
- Current
status of high-gradient cavity study at KEK by Furuta-san PDF file.
Presentation
in STF regular meeting on 4th April 2008.
- Very
preliminary results of 45 MV/m cavity test at STF 0.5 by Saeki-san PDF
file.
75th
WG5-Asia meeting on 15th February 2008.
- Current
Status Report by Saito-san PDF file.
- Pre-tuning
of ICHIRO 9-cell cavities by Saito-san PDF file.
- Status of
HOM study by Xing-san PDF file.
- Status of
Chinese large-grain single-cell cavities by Zong-san PDF
file.
- Status of
dressed ICHIRO 9-cell cavity #1 at STF by Saeki-san PDF
file.
74th
WG5-Asia meeting on 2nd February 2008.
- Introduction
by Xing-san PDF file.
- Status of
Chinese large-grain single-cell cavities by Zong-san PDF
file.
- Status of
new ICHIRO 9-cell cavity #7 and #8 by Saito-san PDF file.
- STF0.5
Schedule EXCEL
file.
73rd
WG5-Asia meeting on 18th January 2008.
- Status of
dressed ICHIRO 9-cell cavity #1 at STF by Saeki-san PDF
file.
72nd
WG5-Asia meeting on 28th December 2007.
- Status of
single-cell cavities and field-flatness study with 9-cell cavity by
Furuta-san PDF file.
- Status of
new ICHIRO 9-cell cavity fabrication by Saito-san PDF
file.
- Status of
dressed ICHIRO 9-cell cavity #1 at STF by Saeki-san PDF
file.
- Table of
Lorentz force detuning study by Morozumi-san EXCEL file.
71th
WG5-Asia meeting on 14th December 2007.
- Status of
the new ICHIRO 9-cell cavity #5 at Jlab by Furuta-san PDF
file.
- Status of
single-cell cavity by Furuta-san PDF file.
- Status of
new ICHIRO 9-cell cavity end-group fabrication by Saito-san PDF
file.
- Status of
dressed ICHIRO 9-cell cavity #1 at STF by Saeki-san PDF
file.
- Schedule
of cryomodule assembly by HITACHI
at STF by Tsuchiya-san EXCEL file.
(in Japanese)
- Status of
new ICHIRO 9-cell cavity #6 by Saeki-san PDF file.
70th
WG5-Asia meeting on 30th November 2007.
- Status of
Tokyo-Univ single-cell cavity by Hano-san and Morita-san PDF
file.
- Status of
dressed ICHIRO 9-cell cavity #1 at STF by Saeki-san PDF
file.
Seminar
at KEK, 22 November 2007
Electropolishing
Modelling COMSOL software by Melanie Bruchon from CEA Saclay SACM.
69th
WG5-Asia meeting on 9th November 2007.
- Status of single-cell
cavity by Furuta-san PDF file.
- HPR of
dressed ICHIRO 9-cell cavity by Saeki-san PDF file.
- Schedule
of dressed ICHIRO 9-cell cavity by Saeki-san EXCEL file.
Summary
of ICHIRO 9-cell cavity Leak Hunting (31 Oct. 2007) by Saeki-san.
Summary
sheets for Cavity and T-pip. (Excel file).
68th
WG5-Asia meeting on 26th October 2007.
- Status of
single-cell cavity by Furuta-san PDF file.
- Dissolution
of Aluminum with NaOH by Morita-san PDF file.
- Leak
hunting of ICHIRO cavity by Saeki-san PDF file.
SRF 2007
at Beijing, 14th
– 19th October 2007.
- Oral
session: Gradient Yield Improvement Efforts for single and multi-cell
cavities and Progress for very high gradient cavities by Saito-san PDF file.
- Poster
session: High Reliable Surface Treatment Recipe of High Gradient
Single-cell STF Cavities at KEK by
Furuta-san PDF file.
- Poster
session: The first processing of capacitive-coupling coupler at room
temperature in a cryomodule at STF by Saeki-san PDF file.
Contribution to the proceedings PDF file, PS file
67th
WG5-Asia meeting on 12th October 2007.
- Status of single-cell
cavity by Furuta-san PDF file.
- Water-rinsing
machine after cavity tumbling (barrel polishing) by Sato-san PDF file.
- Leak
hunting of ICHIRO cavity by Saeki-san PDF file.
66th
WG5-Asia meeting on 28th September 2007.
- Status of
single-cell cavity by Furuta-san PDF file.
- Status of
single-cell (end-group) cavity by Hong-san PDF file.
- Pilot
study of degreasing with single-cell cavities by Furuta-san PDF
file.
- Leak hunting
of ICHIRO cavity by Saeki-san PDF file.
Review
of SRF Structures by Morozumi-san on 25 Sept. 2007.
Review of SRF
Structures (PDF file) by Morozumi-san.
65th
WG5-Asia meeting on 14th September 2007.
- Status of
single-cell cavity by Furuta-san PDF file.
- Status of
single-cell (end-group) cavity by Hong-san PDF file.
- Dismantling
of ICHIRO cavity from Cryomodule at STF by T. Saeki-san PDF file.
- Leak
hunting of ICHIRO cavity by Saeki-san PDF file.
64th
WG5-Asia meeting on 31st August 2007.
- Status of
high-gradient cavity package by Saito-san PDF file.
- Status of
single-cell cavity by Furuta-san PDF file.
- Status of
single-cell (end-group) cavity by Hong-san PDF file.
- Coupler
processing at Room Temperature in Cryomodule at STF by T. Saeki-san PDF
file.
- Status of
pure-water at AR-East experimental hall by Sato-san PDF file.
Summer
Challenge 2007 at KEK.
Yong and enthusiastic six students studied
about Supper-conducting phenomena of Nb material.
Here is their presentation (in Japanese). Measurements of RRR and Hc of Nb material.
Lecture note : Part 1,
Part 2,
Part 3.
63rd WG5-Asia
meeting on 3rd August 2007.
- Status of
single-cell cavities by Furuta-san PDF file.
- Status of
single-cell (end-group) cavity by Hong-san PDF file.
- Energy
Loss & Q in Single-cell cavity at Antenna by Hwang-san PDF file.
- Coupler
processing at Room Temperature in Cryomodule at STF by T. Saeki-san PDF
file.
32rd
Conference of Particle Accelerator Society of Japan, 02 Aug. 2007.
Yuichi MORITA from Tokyo University
presented his study for the Ball-screw Tuner (in Japanese).
Study for
Ball-screw Tuner for ILC ICHIRO 9-cell cavity.
62nd
WG5-Asia meeting on 20th July 2007.
- Status of
single-cell cavities by Furuta-san PDF file.
- Energy
Loss & Q in Single-cell cavity at Antenna or Flange-gap by Hwang-san PDF file.
- Coupler
processing at Room Temperature in Cryomodule at STF by T. Saeki-san PDF
file.
- Bulge-Forming
technology by Inoue-san PDF file.
PAC 2007, 25 - 29 June 2007, Albuquerque, New Mexico,
U.S.A.
Contributions from WG5-Asia.
61st
WG5-Asia meeting on 29th June 2007.
- Contamination
problem in HPR and sealing test for HIP bonding by Saito-san PDF
file.
- Status of
single-cell cavities by Furuta-san PDF file.
- Status of
single-cell (end-group) cavity by Hong-san PDF file.
- Liquid He
temperature measurement by RuO2 register by T. Okamura-san PDF
file.
- Work
report by Sato-san PDF file.
- Status of
STF by Saeki-san PDF file.
- Hardness
measurement of HIP end-group by Higashi-san PDF file.
- Stress
measurement of HIP end-group by X-ray by Saito-san, Higashi-san, Saeki-san
PDF file.
- Status of
Nb/Cu seamless cavity by Ueno-san PDF file.
60th
WG5-Asia meeting on 15th June 2007.
- End-group
fabrication and HPR pump contamination by Saito-san PDF file.
- Status of
single-cell cavities by Furuta-san PDF file.
- Status of
single-cell (end-group) cavity by Hong-san PDF file.
- Status of
STF by Saeki-san PDF file.
- Consideration
about He Jacket technology by Saeki-san PDF file.
Seminar
at KEK, 12 June 2007
Superconducting
RF activities at ACCEL Instruments GmbH by M. Pekeler-san and S. Bauer-san
from ACCEL.
ILC seminar at KEK, 06 June 2007
High Gradient Cavity Package Activity at KEK by Saeki-san
The
SRF Materials Workshop at FNAL, May 23-24
http://tdserver1.fnal.gov/project/workshops/rf_materials/
59th
WG5-Asia meeting on 18th May 2007.
- Introduction
by Morita-san PDF file.
- Introduction
by Wang-san PDF file.
- Status of
single-cell cavities by Furuta-san PDF file.
- RF
Structure study by Morozumi-san PDF file.
- High-power
test of the input-couplers by Morita-san PDF file.
- Study of
wet cleaning by Higashi-san PDF file.
- RF control
of STF 0.5 by Saeki-san PDF file.
58th
WG5-Asia meeting on 27th April 2007.
- Status of
single-cell cavities by Furuta-san PDF file.
- Status of
enlarged BP single-cell cavities by Hong-san PDF file.
- Al
contamination of furnace at Mechanical Workshop by Inoue-san PDF file.
- High-power
test of the input-couplers (part 1) by Saeki-san PDF file.
- High-power
test of the input-couplers (part 2) by Morita-san PDF
file.
- Status of
new 9-cell ICHIRO cavity #6 (PAL) by Saeki-san PDF file.
57th
WG5-Asia meeting on 12th April 2007.
- JFY2007
plan by Saito-san PDF file.
- Status of single-cell
cavities by Furuta-san PDF file.
- Status of
enlarged BP single-cell cavities by Hong-san PDF file.
- Status of
new 9-cell ICHIRO cavities (part 1) by Furuta-san PDF
file.
- Status of
new 9-cell ICHIRO cavities (part 2) by Hong-san PDF file.
- Status of
new 9-cell ICHIRO cavities (part 3) by Saeki-san PDF file.
56th
WG5-Asia meeting on 29th March 2007.
- JFY2007
plan by Saito-san (under preparation).
- Status of
single-cell cavities by Furuta-san PDF file.
- Status of
enlarged BP single-cell cavities by Hong-san PDF file.
- Status of
new 9-cell ICHIRO cavities by Saeki-san PDF file.
- Status of
high-power test-stand of input-couplers by Saeki-san PDF
file.
55th
WG5-Asia meeting on 16th March 2007.
54th
WG5-Asia meeting on 1st March 2007.
- China Low
Beta Cavity Status at KEK by Ge-san PDF file.
- Status of
single-cell cavities by Furuta-san PDF file.
- Status of
enlarged BP single-cell cavities by Hong-san PDF file.
- Status of
9-cell cavity (I9#0, I9#2 Re-EBW end-group) by Saeki-san PDF file.
- Status of
new 9-cell ICHIRO cavity fabrication by Saeki-san PDF
file.
- Tuner
study by Higashi-san PDF file.
53rd
WG5-Asia meeting on 16th February 2007.
- Introduction
by Zhao-san PDF file.
- China Low
Beta Cavity Measurements at KEK by Ge-san PDF
file.
- Status of
single-cell cavity by Furuta-san PDF file.
- Status of
9-cell cavity (I9#0, I9#2 Re-EBW end-group) by Saeki-san PDF file.
- Status of
new 9-cell ICHIRO cavity fabrication by Saeki-san PDF
file.
- RF
Structure study (New ICHIRO 9-cell cavity design) by Morozumi-san PDF
file.
ILC GDE
meeting at IHEP, Beijing, 04 - 09 February 2007.
- S0 status
for the single-cell tests by Saeki-san PDF file.
- Status of
ICHIRO 9-cell cavity R&D by Saito-san PDF file.
- Activities
of IHEP on SC RF cavity for ILC by Zong-san PDF
file.
- R&D of
China Test Cryomodule for ILC by IHEP&TIPC collaboration group PDF file.
- Progress
of SRF and ERL at Peking
University by Lu
Xiangyang-san PDF
file.
- Presentation
by Proch-san PDF file.
- High
Gradient Module Test by Lutz-san PDF file.
- Cryomodule
Design and R&D during the EDR phase by Kephart-san PDF
file.
- Fermilab 3rd
Harmonic Cryomodule Status by Solyak-san PDF file.
- Some
pictures of GDE meeting PDF file.
52nd
WG5-Asia meeting on 22nd January 2007.
- Status of
Cavity by Saito-san PDF file.
- Simulation
of thermal shrinkage at the HIP junction of end-plate by Yamaoka-san PDF
file.
- RF
Structure study (New ICHIRO 9-cell cavity design) by Morozumi-san PDF
file.
- Nb/Cu
seamless cavity by Ueno-san PDF file.
- Nb/Cu
seamless cavity – Cross-section photo of iris of seamless cavity
– by Watanabe-san PDF file.
- Status of
9-cell cavity #1 (STF installation) by Saeki-san PDF file.
- Status of
single-cell cavity by Furuta-san PDF file.
- End-single-cell
cavity with enlarged BP by Hong-san PDF file.
Status
of ILC activity at PAL (Korea) by Sohn-san on 26th December 2006. PDF file1, PDF file2,
PDF
file3
51st
WG5-Asia meeting on 15th December 2006.
- Status of 9-cell
cavity #1 (STF installation) by Saeki-san PDF file.
- Assembly
operation of 9-cell cavity #1 in STF clean-room by Zhai-san PDF file.
- Status of
input-coupler support by Sato-san PDF file.
- Status of
single-cell cavity by Furuta-san PDF file.
- Single-cell
cavity with enlarged beam-pipe by Hong-san PDF file.
- Single-cell
cavities with China
large-grain material by Zong-san PDF file.
- Single-cell
cavity with CBMM large-grain material by Shim-san PPT file.
- RF
Structure study (New ICHIRO 9-cell cavity design) by Morozumi-san PDF
file.
- Simulation
of thermal shrinkage at the HIP junction of end-plate by Yamaoka-san PDF
file.
- Status of
tuner study by Higashi-san PDF file.
50th
WG5-Asia meeting on 1st December 2006.
- WG5 cavity
status by Saito-san PDF file.
- Status of
9-cell cavity #1 (STF installation) by Saeki-san PDF file.
- Status of
single-cell cavity by Furuta-san PDF file.
- HPR nozzle
study by Hong-san PDF file.
- Single-cell
cavities with China
large-grain material by Zong-san PDF file.
- Single-cell
cavity with CBMM large-grain material by Shim-san PPT
file.
- New
coupler study by Zhai-san PDF file.
- Cavity
fabrication by Inoue-san PDF file.
49th
WG5-Asia meeting on 17 November 2006.
- Report on
Single-Crystal Nb Workshop on 02 November 2006 (in English) by Saito-san PDF
file.
- Introduction
by Zhai Jiyuan san PDF file.
- Status of
single-cell and 9-cell cavities by Saeki-san PDF file.
- Photos of
Cracks on end-cells of 9-cell #0 by Sato-san PDF file.
- Tuner
development by Higashi-san PDF file.
- Status of
single-cell cavities by Furuta-san PDF file.
- Single-cell
cavities with China
large-grain material by Zong-san PDF file.
- Single-cell
cavity with CBMM large-grain material by Shim-san PPT file.
- RF
structure by Morozumi-san PDF file.
- Cavity
fabrication by Inoue-san PDF file.
Report
on Single-Crystal Nb Workshop on 02 November 2006.
- Report on
Single-Crystal Nb Workshop by Saito-san (in Japanese). PDF
file (3MB).
Seminar
by Dr. Paolo Michelato on 15 November 2006.
- Activity
at INFN Milano - LASA by Dr. Paolo Michelato PDF file (8MB).
Cryostat
meeting with Hitachi on 6 November 2006.
- Status of
45 MV/m cavity for STF installation by Saeki-san PDF file.
48th
WG5-Asia meeting on 2 November 2006.
- Status and
Schedule by Saeki-san PDF file.
- Introduction
by Zhai Jiyuan san TXT file.
- Coupler
status by Matsumoto-san PDF file.
- Status of
single-cell and 9-cell cavities by Furuta-san PDF file.
- End-plate
heat-expansion simulation by Sato-san PDF file.
- End-plate
heat-expansion and Tuner by Higashi-san PDF file.
- End-single-cell
cavity with enlarged BP by Hong-san PDF file.
- Single-cell
cavities with China
large-grain material by Zong-san PDF file.
- Presentation
at Korean Physical Society by Shim-san PPT file.
- RF
structure by Morozumi-san PDF file.
- New
trimming shape for better EBW by Saeki-san PDF file.
47th
WG5-Asia meeting on 20 October 2006.
- Agenda
& Cavity status by Saito-san PDF file.
- Magnetic
field measurements in vac. container and mag. shield by Masuzawa-san PDF
file.
- Magnetic
field simulation of mag. shield by Ouchi-san PDF file.
- String
assembly jigs by Sato-san PDF file.
- Nb/Cu
seamless cavity by Ueno-san PDF file.
- RF
structure by Morozumi-san PDF file.
- 9-cell cavity
status by Saeki-san PDF file.
- Leak
history of 9-cell cavities and single-cell cavity status by Furuta-san PDF file.
- Single-cell
cavity with enlarged beam-pipe by Hong-san PDF file.
- China Large-grain single-cell cavities by Zhong-san PDF
file.
- Wire-saw
machine for cutting large-grain ingots by Yokokawa-san (NTC company) PDF file.
- New
Ichiro-cavity schedule by Higo-san EXCEL
file.
- Transient
Lorentz Detuning by Higo-san PDF
file.
- Tuner
evaluation by Higo-san and Higashi-san PDF file.
Magnetic-shield
Meeting on 10 October 2006.
- Magnetic
field measurements by Masuzawa-san PDF file.
- Magnetic
shielding simulation by Ohuchi-san PDF file.
46th
WG5-Asia meeting on 6 October 2006.
- Brief
Introduction by Zong-san PDF file.
- Cavity
schedule by Saito-san PDF file.
- 9-cell
cavity status by Saeki-san PDF file.
- Single-cell
cavity status by Furuta-san PDF file.
- Large-grain
single-cell cavity summary by Shim-san PDF file.
- Single-cell
cavity with enlarged beam-pipe by Hong-san PDF file.
- Hole-shape
of HPR nozzle by Higo-san PDF file.
- Seamless
cavity fabrication by Inoue-san PDF file.
45th
WG5-Asia meeting on 8 September 2006.
- HPR
trouble and Cavity schedule by Saeki-san PDF file.
- Cavity
status by Furuta-san PDF file.
- Inner
surface (EBW seam) photo of single-cell cavities by Furuta-san PDF file.
- Inner
surface (EBW seam) photo of 9-cell cavities by Saeki-san PDF file.
- Re-EBW of
HOM antenna (ICHIRO 9-cell cavity #1 and #3) by Saeki-san PDF
file.
- Large-grain
cavity fabrication by Shim-san PDF file.
- Nb/Cu
seamless cavity by Ueno-san PDF file.
- Tuner
Development by Higashi-san PDF file.
- RF
Structure by Morozumi-san PDF file.
44th
WG5-Asia meeting on 25 August 2006.
- Cavity
Status by Furuta-san PDF file.
- Nb/Cu clad
cavity by Ueno-san PDF file.
- End-group
single-cell cavity study by Hong-san PDF file.
- Large-grain
cavity fabrication by Shim-san PDF file.
- Gasket
Development by Iwai-san PDF file.
- Tuner
Development by Higashi-san PDF file.
- RF
Structure by Morozumi-san PDF file.
- Status of
new coupler statnd by Sato-san PDF file.
43rd
WG5-Asia meeting on 11 August 2006.
- Cavity
Status by Furuta-san PDF file.
- Nb/Cu clad
cavity by Ueno-san PDF file.
- End-group
single-cell cavity study by Hong-san PDF file.
- Large-grain
cavity fabrication by Shim-san PDF file.
- Large-grain
cavity fabrication by Xu-san PDF file.
- Cavity
Fabrication by Inoue-san PDF file.
- Status of
mock-up model by Sato-san PDF file.
- Tuner by
Higo-san PDF
file.
- Estimate
of Eacc/Freq shift due to cooling by Higo-san PDF
file.
- HOM tuning
ICHIRO#3 by Higo-san PDF
file.
- Schedule
by Higo-san Excel file.
Presentations at 3rd
Annual Conference of Particle Accelerator Society of Japan
(Sendai, 2-4,
August 2006).
TV
meeting among KEK, DESY and Jlab on 28 July 2006.
- Single-cell cavities with enlarged beam-pipe by
Hong-san PDF file.
Presentations
at Vancouver GDE meeting on 19 – 22 July 2006.
- R&D
Status / Main Linac Cavities by Saito-san PDF file.
Input
Coupler High-power Test summary on 18 July 2006.
- Input-coupler
High-power Test Summary by Higo-san PDF file.
42nd
WG5-Asia meeting on 14 July 2006.
- Cavity
Status by Saeki-san PDF file.
- Cavity
details by Furuta-san PDF file.
- End-group
single-cell cavity study by Hong-san PDF file.
- Input-coupler
high-power test by Higo-san PDF file.
- HOM
coupler study by Higo-san PDF file.
- Tuner by
Higashi-san PDF file.
- Tuner
characteristics study by Higo-san PDF file.
- RF
Structure by Morozumi-san PDF file.
- Nb/Cu
Seamless Cavity by Ueno-san PDF file.
- Cavity
fabrication by Inoue-san PDF file.
Lecture
at Tokyo University on 10 - 12 July 2006.
- “High
Gradient SRF cavity and ILC project” (in Japanese) by K. Saito. No.1 No.2
No.3 No.4.
41st
WG5-Asia meeting on 30 June 2006.
- Agenda PDF
file.
- Cavity
status by Furuta-san PDF file.
- End-group
single-cell cavity study by Hong-san PDF file.
- Input-coupler
high-power test by Kazakov-san PDF file.
- New
high-power test stand for coupler by Satoh-san PDF file.
- Input-coupler
high-power test by Matsumoto-san PDF file.
- Zero
Impedance Vacuum Flange by Matsumoto-san PDF file.
- MO Flange
Test by Iwai-san PDF file.
- Nb/Cu
Seamless Cavity by Ueno-san PDF file.
- Tuner
status by Higashi-san PDF file
- RF
Structure by Morozumi-san PDF file.
- HOM study
by Higo-san PDF file.
- Powder on
antenna of INFN cavity by Bessho-san PDF file.
- Portable
positoron accelerator with SRF cavity by Ohshima-san PDF
file.
Presentations at EPAC06 (26-30,
June 2006).
40th
WG5-Asia meeting on 9 June 2006.
- Status of
Cavity by Saito-san PDF file.
- Input-coupler
high-power test by Higo-san PDF file,
- Input-coupler
low-power test by Kazakov-san PDF file, PDF
file, PDF file.
- Nb/Cu
Seamless Cavity by Ueno-san PDF file.
- Nb/Cu
Seamless Cavity / Cu model Cavity by Inoue-san PDF file.
- RF
Structure by Morozumi-san PDF file.
- 9-cell
Cavity Status (part1) by Saeki-san PDF file.
- 9-cell Cavity
Status (part2) by Furuta-san PDF file.
- End-group
single-cell cavity study by Hong-san PDF file.
- Tuner
status by Higashi-san PDF file
- Stiffener
ring study by Yamaoka-san PDF file.
- Stiffener
ring study by Higo-san PDF file.
- RF Simulator
by Yamamoto-san PDF file.
39th
WG5-Asia meeting on 26 May 2006.
- ILC
Related R&D activities at JLab by Prof. Peter Kneisel PDF
file.
- Status of
Cavity by Saito-san PDF file.
- Input-coupler
high-power test by Matsumoto-san PDF file,
- Nb/Cu
Seamless Cavity by Ueno-san PDF file.
- Nb/Cu
Seamless Cavity / Cu model Cavity / HOM dimension by Inoue-san PDF file.
- R&D
for sealing/gasket by Iwai-san PDF file.
- RF
Structure by Morozumi-san PDF file.
- HOM
coupler study by Higo-san PDF file.
- Schedule
by Higo-san PDF file
WG5-Asia
coupler high-power test meeting on 16 May 2006.
- Coupler
High-Power Test Plan by Saeki-san PDF file.
38th WG5-Asia
meeting on 8 May 2006.
- Status of
Cavity by Saito-san PDF file.
- Nb/Cu
Seamless Cavity by Ueno-san PDF file.
- RF
Structure by Morozumi-san PDF file.
- Coupler
high-power test by Saeki-san PDF file.
- Single-cell
cavity status by Furuta-san PDF file.
- 9-cell
cavity status by Saeki-san PDF file.
- MP study
at SLAC by Higo-san PDF
file.
- Input-coupler
coupling by Higo-san PDF
file,
- Rejection
property of HOM by Higo-san PDF
file.
- Frequency
measurement of ICHIRO #3 by Higo-san PDF
file
- Schedule
by Higo-san PDF file
Lecture
at Tokyo University on 24 April 2006.
- “ILC
and SRF technology” (in Japanese) by K. Saito. PDF file.
KEK
Machining-Center Mechanical Workshop on 21 April 2006.
- “High-Gradient
Cavity Package” (in Japanese) by F. Furuta. PDF file.
37th
WG5-Asia meeting on 20 April 2006.
Status of
RE Cavities from Cornell
Univ. as of 10 April
2006. PDF file ppt file.
36th
WG5-Asia meeting on 07 April 2006.
- Status of
Cavity by Saito-san PDF file.
- Nb/Cu
Seamless Cavity by Ueno-san PDF file.
- Tuner by
Higashi-san PDF file.
- ICHIRO
9-cell cavity mechanical structure by Yamaoka-san PDF
file.
- Single-cell
cavity status by Furuta-san PDF file.
- 9-cell
cavity status by Saeki-san PDF file.
- HOM by
Higo-san PDF file.
- Reducing
Lorentz Detuning by Higo-san PDF file.
- Schedule
by Higo-san Excel file.
The
Physical Society of Japan
61st Annual Meeting (27 – 30 Mar 2006) .
Superconducting RF
Cavity R&D for ILC by K.Saito (PDF file).
LCPAC
2006 on 25 March 2006.
LCPAC2006 web page
or ILC (KEK)
web page
35th
WG5-Asia meeting on 24 March 2006.
- Status of
Cavity by Saito-san PDF file.
- High-power
test of coupler by Matsumoto-san PDF
file PDF file PDF
file PDF file PDF
file.
- Nb/Cu
Seamless Cavity by Ueno-san PDF file.
- R&D of
Cu Electroforming Method to make Seamless Nb/Cu Clad Pipes for SRF
Cavities by T. Higuchi (Nomura Plating) PDF file.
- Vertical
measurement of INFN 9-cell seamless (spinning) cavity by Lanza-san PDF
file.
- Single-cell
/ 9-cell cavity status by Furuta-san and Orr-san PDF file.
- Statistical
analysis for single-cell vertical tests by Orr-san PDF file.
- LCPAC
presentation by Saeki-san PDF file.
34th
WG5-Asia meeting on 10 March 2006.
- Talk:
“Sputtered Nb onto Cu: Past and future
configuration at LNL-INFN” by Giulia Lanza PDF file.
- Status of
Cavity by Saeki-san PDF file.
- RF
Structure by Morozumi-san PDF file.
- High-power
test of coupler by Matsumoto-san PDF
file PDF file.
- Single-cell
Cavity Measurements by Orr-san and Furuta-san PDF file.
- Results of
Multipacting Simulations for ICHIRO Two-Cell Inner End Cap/Cup Geometry by
M. Meidlinger PDF
file
33rd
WG5-Asia meeting on 24 February 2006.
- Status of
WG5-Asia by Saito-san PDF file.
- Tuner by
Higashi-san PDF file.
- Nb/Cu
Seamless Cavity by Ueno-san PDF file.
- DESY trip
report by Inoue-san PDF file.
- HOM report
by Ge-san PDF file.
- New
Vertical Test Control System by Saeki-san PDF file.
- ICHIRO
9-cell cavity status by Furuta-san PDF file.
- Single-cell
Cavity Measurements by Orr-san PDF file.
- EP acid
control by Taguchi-san PDF file
- New RE
cavity status from Cornell by Saeki-san PDF file
32nd
WG5-Asia meeting on 10 February 2006.
- Status of
WG5-Asia by Saito-san PDF file.
- RF
Structure by Morozumi-san and Ge-san PDF file.
- Tuner by
Higo-san PDF file.
- Tuner by
Higashi-san PDF file.
- Coupler by
Matsumoto-san PDF file.
- Proposals
for ILC by Kim-san PDF file.
- Nb/Cu
seamless cavity development by Fujiyoshi-san PDF file.
- ICHIRO
9-cell cavity status by Furuta-san PDF file.
- EP acid
control by Saeki-san PDF file
31st
WG5-Asia meeting on 27 January 2006.
- Status of
WG5-Asia by Saito-san PDF file.
- RF
Structure by Morozumi-san and Ge-san PDF file.
- Tuner by
Higashi-san PDF file.
- Some Ideas
on R&D lines to Pursue by Orr-san PDF file.
- Cavity
Fabrication by Inoue-san PDF file.
- Leak Test
of Al Gasket coated by In by Furuta-san PDF file.
Seminar
by Dr. D. Proch and Dr. W. Singer on 27 January 2006.
- Status of
XFEL, Connection XFEL – ILC – TTC by Dr. D. Proch PDF
file.
- Advanced
Fabrication Methods of Superconducting RF Cavities by Dr. W. Singer PDF
file.
30th
WG5-Asia meeting on 13 January 2006.
- Status of
Cavity by Saito-san PDF file.
- Nb/Cu Clad
Cavity by Ueno-san PDF file.
- My
Activity at IHEP by Ge Mingqi PDF file.
- Status of
Cavity Fabrication by Inoue-san PDF file.
- Leak Test
of Al Gasket coated by In by Furuta-san PDF file.
- EP acid
control study by Saeki-san PDF file.
- Multipacting
Simulations for ICHIRO Regular Cell Geometry by M. Meidlinger PDF
file.
29th
WG5-Asia meeting on 16 December 2005.
- Status of
Cavity by Saito-san PDF file.
- WG5 H18
budget plan Excel file.
- 9-cell
Cavity History and Plan Excel file.
- Tuner and
Pre-tuning by Higashi-san PDF file.
- Mechanical
Structure Study of 9-cell Cavity by Yamaoka-san PDF file.
- Mechanical
Resonance Study for 9-cell Cavity by Higo-san PDF file.
- Nb/Cu Clad
Cavity by Ueno-san PDF file.
- Cavity
Fabrication Status by Inoue-san PDF file.
- RF
Structure XIV by Morozumi-san PDF file.
- Coupler
High-Power Test Stand by Matsumoto-san PDF file.
- Leak Test
of Al Gasket coated by In by Furuta-san PDF file.
- Single-cell
Cavity Study PDF file.
- EP acid
parameter control by Saeki-san PDF file
- EP
calendar Excel file
28th
WG5-Asia meeting on 2 December 2005.
Seminar
by Dr. Lutz Lilje on 01 December 2005.
- Superconducting
RF Status at DESY PDF file.
Seminar
by Dr. Ganapati Rao Myneni on 22 November 2005.
- Single Crystal, Large Grain
High RRR Niobium PDF file.
27th
WG5-Asia meeting on 18 November 2005.
- Status
of cavity by Saito-san PDF
file.
- Status of
Tuner Development by Higashi-san PDF file.
- Nb/Cu
Clad cavity by Ueno-san PDF
file.
- RF
Structure XII by Morozumi-san PDF file.
- Fast
Ferroelectric Tuner for L-band by Kazakov-san PDF file.
- Warm
window of coupler by Matsunmoto-san PDF file.
- Flange
for Nb/Cu Clad Cavity by Matsumoto-san PDF
file.
- MO flange
by Matsumoto-san PDF file.
- MO flange
He leak test by Furuta-san PDF file.
- Cavity
Fabrication Status by Inoue-san PDF file.
- Frequency
Tuning using Mechanical Resonance by Higo-san PDF file.
- Schedule
by Higo-san Excel file.
- Single-cell
cavity program by Higo-san Excel file.
- EP
calendar by Higo-san Excel file.
26th
WG5-Asia meeting on 4 November 2005.
- Status
of cavity by Saito-san PDF
file.
- RF
structure by Morozumi-san PDF file.
- Nb/Cu
clad cavity fabrication (machine) by Ueno-san PDF file.
- Cavity
Fabrication Status by Inoue-san PDF file.
- Tuner by
Higashi-san PDF file
- Deformation
of LL-No2 and Repair with Stiffener by Yamaoka-san PDF
file.
- High-power
cable by KEYCOM by Higo-san PDF file.
25th
WG5-Asia meeting on 21 October 2005.
- Status
of cavity by Saito-san PDF
file.
- RF structure
by Morozumi-san PDF file.
- Nb/Cu
clad cavity fabrication (Machine) by Ueno-san PDF file.
- Coupler
status by Matsumoto-san PDF
file.
- SMTF
meeting report by Saeki-san PDF
file.
- Vertical
tests of single-cell cavities by Furuta-san PDF file
- Freq.
shift due to mechanical resonant mode by Higo-san PDF
file
- Inner
surface shape of DESY 2-cell seamless cavity by Higo-san PDF file
- Schedule
by Higo-san Excel file
24th
WG5-Asia meeting on 29 September 2005.
- Status
of cavity by Saito-san PDF
file.
- RF
structure by Morozumi-san PDF
file.
- Nb/Cu clad
cavity fabrication (Machine) by Ueno-san PDF file.
- Nb/Cu clad
cavity fabrication (Simulation) by Enami-san PDF file.
- Vertical
tests of single-cell cavities by Furuta-san PDF file.
- EP quality
control / LL2 material purification by Saeki-san PDF file.
- 9-cell Cu
cavity fabrication by Inoue-san PDF file.
- Status of
coupler by Matsumoto-san PDF file.
- Status of
tuner by Yamaoka-san PDF file.
- Status of
Baseline cavity fabrication by Noguchi-san PDF file.
23rd
WG5-Asia meeting on 15 September 2005.
- Status
of cavity by Saito-san PDF
file.
- Single-cavity
high-gradient measurements by Furuta-san PDF file.
- EP/HPR/Clean-room
Quality Control by Saeki-san PDF file.
- Cavity
EBW inner-surface shape evolution by Higo-san PDF file.
- High-power
Cable for Vertical Test by Higo-san PDF file.
22nd
WG5-Asia meeting on 02 September 2005.
- Status
of cavity by Saito-san PDF
file.
- Proposed
Schedule by Higo-san PDF file.
- Two-week
schedule by Saeki Excel file.
- Nb/Cu clad
cavity by Ueno-san PDF file.
- RF
structure by Morozumi-san PDF
file.
- 45 MV/m
cavity assembly flow proposal by Higo-san PDF file.
- STF
clean-room status by Higo-san PDF
file.
- Cavity
inner-surface shape measurement by Higo-san PDF file.
- Tolerable
VT-cable Leak-rate by Higo-san PDF file.
21st
WG5-Asia meeting on 08 August 2005.
- Status
of cavity by Saito-san PDF
file.
- Mechanical
structure measurements and seamless cavity simulation by Yamaoka-san PDF file.
Seminar
by Prof. A. A. Polyanskii (University
of Wisconsin) on 29 July
2005.
- Magneto-Optical
Imaging Technique of Magnetic Flux in Superconductors by Prof. A. A.
Polyanskii PDF file.
20th
WG5-Asia meeting on 25 July 2005.
- Status of
cavity by Saito-san PDF file.
- ILC 2nd
review presentation by Saito-san PDF file.
- Status of
RF structure simulation by Morozumi-san PDF file.
- Status of
tuner R&D by Higashi-san PDF
file.
- Status
of Nb/Cu seamless cavity and EP facility by Ueno-san PDF file.
- ILC 45MV/m
coupler presentation at Saga by Matsumoto-san PDF file.
- Coupler
window by Kazakov-san PDF file.
- Magnetic
field enhancement by Higo-san PDF file.
WG5-Asia
presentations at SRF2005 (Cornell University, 10th - 15th Jul 2005).
- High
gradient cavity R&D status in KEK for ILC by Saito-san PDF file.
- Feasibility
study of ~50MV/m by single-cell cavity by Sohn-san PDF file.
- Different
material bonding by HIP technology and the reliability by Furuta-san PDF file.
- Mechanical
structure analysis for ICHIRO 9-cell cavity by Yamaoka-san PDF file.
- Design and
analysis of 45 MV/m superconducting structures by Morozumi-san PDF file.
- Fabrication
of four 9-cell ICHIRO high-gradient cavities for the R&D of ILC
accelerator in KEK by Saeki-san PDF
file.
19th
WG5-Asia meeting on 1 July 2005.
- High
gradient cavity R&D status by Saito-san PDF file.
- Mechanical
structure analysis for ICHIRO 9-cell cavity by Yamaoka-san PDF file.
- Pre-tuning
and tuner by Higashi-san PDF file.
- Coupler
status by Matsumoto-san PDF
file.
- Nb/Clad
cavity and EP facility status by Ueno-san PDF file.
- Necking
test by Enami-san PDF file.
- Magnetic
field enhancement due to EBW by Higo-san PDF file.
- Copper
Cavity HOM by Higo-san PDF file.
- Power
combine test for 9-cell cavity vertical test by Higo-san PDF file.
18th
WG5-Asia meeting on 17 June 2005.
- Status
of cavity by Saito-san PDF
file.
- Status
of HOM by Morozumi-san PDF file.
- Status
of tuner R&D by Higashi-san PDF
file.
- Status
of Nb/Cu seamless cavity and EP facility by Ueno-san PDF file.
- 45 MV/m
coupler by Matsumoto-san PDF
file.
- Coupler
ohmic loss by Kazakov-san PDF
file.
- Status
of single-cell cavities by Sohn-san PDF file.
- Status
of pure water system by Furuta-san PDF file.
- Status
of ICHIRO 9-cell cavity fabrication by Saeki-san PDF file.
- 3D
measurement of 2nd 9-cell ICHIRO cavity by Inoue-san PDF file.
- Amplifier
performance by Higo-san PDF
file.
- Nb/Cu
clad seamless cavity by Enami-san PDF
file.
- Cavity
parameters EXCEL file.
17th
WG5-Asia meeting on 03 June 2005.
- Status
of cavity by Saito-san PDF
file.
- Status
of tuner R&D by Higashi-san PDF
file.
- Status
of HOM by Morozumi-san PDF file.
- Status
of Nb/Cu seamless cavity and EP facility by Ueno-san PDF file.
- Status
of coupler by Matsumoto-san PDF
file.
- Cavity
mechanical structure by Yamaoka-san PDF file.
- Status
of single-cell cavities by Sohn-san PDF file.
- Status
of 1st ICHIRO 9-cell cavity, EP & vertical measurement by
Furuta-san PDF file.
- Status
of ICHIRO 9-cell cavity fabrication by Saeki-san PDF file.
- Cu
Cavity by Higo-san PDF file.
- Nb/Cu
clad seamless cavity by Enami-san PDF
file.
- Cavity
parameters EXCEL file.
16th
WG5-Asia meeting on 20 May 2005.
15th
WG5-Asia meeting on 06 May 2005.
- Status
of cavity by Saito-san PDF
file.
- Status
of tuner R&D by Higashi-san PDF
file.
- Status
of HOM by Morozumi-san PDF file.
- Status
of coupler by Matsumoto-san PDF
file.
- Status of
ICHIRO 9-cell cavity by Saeki-san PDF file.
- HIP
bonding leak-test by Furuta-san PDF
file.
- HOM
study by Higo-san PDF file.
14th
WG5-Asia meeting on 22 April 2005.
- Status
of ICHIRO single-cell cavity by Sohn-san PDF file.
- Dimension
data analysis of ICHIRO 9-cell cavity fabrication PDF file.
- Status
of ICHIRO 9-cell cavity by Saeki-san PDF file.
- Coupler
by Kazakov-san PDF file.
- Tuner
R&D status by Higashi-san PDF
file.
- Nb Cu
clad cavity R&D by Enami-san PDF
file.
- Status
of Mechanical
Center by Ueno-san PDF file.
KEK
Machining-Center Mechanical Workshop (WG5 presentation only) on 15 April 2005.
- KEK
Mechanical WS program PDF file.
- Linear
collider accelerator by Yokoya-san PDF
file.
- Super
conductive cavity in ILC by Toge-san PDF file.
- Mechanical
structure of ICHIRO cavity by Yamaoka-san PDF file.
- ILC
Cryostat R&D by Tsuchiya-san PDF
file.
- Super
conductive cavity lecture by Saito-san PDF
file.
- Fabrication
of ICHIRO 9-call cavity 1 by Furuta-san PDF file.
- Fabrication
of ICHIRO 9-call cavity 2 by Saeki-san PDF file.
- Nb Cu
clad cavity R&D by Enami-san PDF
file.
13th
WG5-Asia meeting on 8 April 2005.
- Status
of ICHIRO single-cell cavity by Furuta-san PDF file.
- Status
of ICHIRO 9-cell cavity by Saeki-san PDF file.
- ILC
power cooling by Hosoyama-san PDF
file.
- Coupler
schedule by Matsumoto-san PDF file.
- Coupler
by Kazakov-san PDF file.
- Tuner
R&D status by Higashi-san PDF file.
- Nb Cu
clad cavity R&D by Enami-san PDF
file.
- Schedule
by Higo-san EXCEL file.
12th
WG5-Asia meeting on 25 March 2005.
- Overall
schedule for 45 MV/m R&D and budget by Saito-san.
- Status
of ICHIRO single-cell cavity by Furuta-san PDF file.
- Status
of ICHIRO 9-cell cavity by Saeki-san PDF file.
- HOM
calculation by Morozumi-san PDF
file.
- Some
ideas for RF distribution by Matsumoto-san PDF file.
- SLAC/FNAL
visit report by Higo-san PDF file.
11th
WG5-Asia meeting on 11 March 2005.
- Delegation
to Italy
by Tsuchiya-san PDF file.
- Collaboration
of KEK and PAL/POSTECH by Matsumoto-san PDF file.
- ILC WG5
activity at PAL by Oho-san (PAL, Korea) PDF file.
- Status of
PAL XFEL project by Oho-san (PAL, Korea) PDF file.
- Status
of ICHIRO single-cell cavity by Furuta-san PDF file.
- Status of
ICHIRO 9-cell cavity by Saeki-san PDF file.
- Status of
beam-pipe fabrication and vacuum furnace by Inoue-san PDF file.
- Tuner
design by Higashi-san PDF file.
- Input
coupler design by Kazakov-san PDF
file.
- Status of
Nb/Cu seamless cavity R&D by Enami-san PDF file.
- Status of
vacuum furnace by Ueno-san PDF
file.
- Vacuum
furnace and KEK EP facility by Ueno-san PDF file.
10th
WG5-Asia meeting on 2 Feb. 2005.
- Nb+SUS
pipe production by Furuta-san PDF
file.
- ICHIRO cavity
status by Saeki-san PDF file.
- Pre-tuning
by Higashi-san PDF
file.
- Coupler
by Kazakov-san+Matsumoto-san PDF
file.
- Presentation
by Higo-san PDF file.
- Field
Analysis by Morozumi-san PDF file.
- Lorentz
Detuning Effect simulation by Yamaoka-san PDF file.
- Cavity
half-cup production by Inoue-san PDF
file.
- Nb/Cu
seamless cavity by Enami-san PDF
file.
9th WG5-Asia
meeting on 19 Jan. 2005.
- Cable
correction method by Furuta-san PDF
file.
- ICHIRO
cavity status by Saeki-san PDF file.
- Pre-tuning
by Higashi-san PDF file.
- Coupler
by Kazakov-san+Matsumoto-san PDF
file.
- Vac-Furnace
by Funakoshi-san PDF file.
- International
status by Saito-san PDF file.
8th
WG5-Asia meeting on 6 Jan. 2005.
- Minutes
of the 8th Asian WG5 meeting (under preparation)PDF file.
- ICHIRO
cavity status by Saeki-san PDF
file.
- Vertical
measurement method of cavity by Furuta-san PDF file.
- ANSYS
analysis by Yamaoka-san PDF file.
- Field
uniformity vs. Freq. error by Higo-san PDF file.
7th
WG5-Asia meeting on 17 Dec. 2004.
6th
WG5-Asia meeting on 10 Nov. 2004.
- Minutes
of the 6th Asian WG5 meeting (under preparation)PDF file.
- Rehearsal
of KEK WG5 talks for ILC WS.
5th
WG5-Asia meeting on 4 Nov. 2004.
- Minutes
of the 5th Asian WG5 meeting (under preparation) PDF file.
- Draft of
WG5 program for ILC WS in KEK PDF file.
- Presentation
by Wake PDF file.
- Presentation
by Higashi PDF file.
- Presentation
by Enami PDF file.
- Presentation
by H. Matsumoto in Japanese PDF
file.
- Presentation
by Saeki PDF file.
- Presentation
by Saito PDF file.
4th
WG5-Asia meeting on 28 Oct. 2004.
3rd
WG5-Asia meeting on 21 Oct. 2004.
- Minutes of the 3rd Asia
WG5 meeting PDF file.
2nd
WG5-Asia meeting on 12 Oct. 2004.
- Minutes of the 2nd Asia
WG5 meeting PDF file.
1st
WG5-Asia meeting on 30 Sept. 2004.
- Minutes
of the 1st Asia WG5 meeting PDF file.
- Trip
report to SLAC, FNAL, ANL (K.Saito) PDF file.
- High
gradient cavity issues (K.Saito) PDF
file.
Materials
related to WG5
Sept.13,
2006
- Proceedings of SRF 1st WS at Karlsruhe is
available as PDF file. PDF file(33 MB).
Jan.29,
2005
- Nb-material for 9-cell ICHIRO cavities is
delivered from Tokyo Denkai Co.
JPEG file, JPEG file .
Nov.16,
2004
- Re-entrant shape single cavity reached 46 MV/m
(from Hassan) TXT file, PDF file .
Nov.11,
2004
- Final draft of ILC WS program @ KEK PDF file.
Nov.10,
2004
- SLAC ILC WS Oct2004, Revisiting Cold ILC
parameters (H.Padamsee) PDF file.
Oct.27 -
29, 2004, Yoshioka U.S.
report.
Oct.25,
2004
Oct.14,
2004
Last modified: Sat., April 22, 2006