Six-Month Follow-Up on Action Items of Feb 2016 CEBAF Field Emitter Workshop
Monday, September 12, 2016 -
12:25 PM
Monday, September 12, 2016
1:25 PM
Introduction
-
Rong-Li Geng
(
Thomas Jefferson National Accelerator Facility
)
Introduction
Rong-Li Geng
(
Thomas Jefferson National Accelerator Facility
)
1:25 PM - 1:30 PM
Room: TL1227
1:30 PM
Field emission onset data from present C50 module C50-12 CMTF testing and comparison against prior C50 modules (1-11)
-
Michael Drury
(
Jefferson :Lab
)
Field emission onset data from present C50 module C50-12 CMTF testing and comparison against prior C50 modules (1-11)
Michael Drury
(
Jefferson :Lab
)
1:30 PM - 1:35 PM
Room: TL1227
1:35 PM
Field Emission onset data from VTA testing of C50-12 cavity pairs as compared to prior C50 cavities pairs
-
Liang Zhao
(
JLab/W&M
)
Field Emission onset data from VTA testing of C50-12 cavity pairs as compared to prior C50 cavities pairs
Liang Zhao
(
JLab/W&M
)
1:35 PM - 1:40 PM
Room: TL1227
1:40 PM
Improved procedure and practice in C50-12 cavity string assembly as compared to prior C50 strings
-
Danny Forehand
(
JLAB
)
Improved procedure and practice in C50-12 cavity string assembly as compared to prior C50 strings
Danny Forehand
(
JLAB
)
1:40 PM - 1:50 PM
Room: TL1227
1:50 PM
Improved procedure and practice in C50-12 cryomodule assembly as compared to prior C50 cryomodules with a special attention to the step of supply-end-can side UHV manifold attachment
-
Frank Humphries
(
JLAB
)
John Fischer
(
JLAB
)
Gianluigi Ciovati
(
JLab
)
Improved procedure and practice in C50-12 cryomodule assembly as compared to prior C50 cryomodules with a special attention to the step of supply-end-can side UHV manifold attachment
Frank Humphries
(
JLAB
)
John Fischer
(
JLAB
)
Gianluigi Ciovati
(
JLab
)
1:50 PM - 2:00 PM
Room: TL1227
2:00 PM
Gas load desorbed from room temperature warming up of cryomodules and rationale for next generation beamline vacuum system
-
Rong-Li Geng
(
Thomas Jefferson National Accelerator Facility
)
Gas load desorbed from room temperature warming up of cryomodules and rationale for next generation beamline vacuum system
Rong-Li Geng
(
Thomas Jefferson National Accelerator Facility
)
2:00 PM - 2:05 PM
Room: TL1227
2:05 PM
NEG pump for C50-12 and initial experience
-
Marcy Stutzman
(
Jefferson Lab
)
Kurt Macha
(
JLAB
)
NEG pump for C50-12 and initial experience
Marcy Stutzman
(
Jefferson Lab
)
Kurt Macha
(
JLAB
)
2:05 PM - 2:15 PM
Room: TL1227
2:15 PM
Off-line evaluation of NEG pump by integrated vertical testing a single-cell cavity
-
Gianluigi Ciovati
(
JLab
)
Off-line evaluation of NEG pump by integrated vertical testing a single-cell cavity
Gianluigi Ciovati
(
JLab
)
2:15 PM - 2:25 PM
Room: TL1227
2:25 PM
Hi-potting halted or not? Evidence of benefit?
-
Arne Freyberger
(
JLAB-Accelerator Division-Operations Department
)
Hi-potting halted or not? Evidence of benefit?
Arne Freyberger
(
JLAB-Accelerator Division-Operations Department
)
2:25 PM - 2:30 PM
Room: TL1227
2:30 PM
Design and implementation of a new clean room environment for tunnel work and first use for NL12 warm girders and next steps for improvements
-
John Heckman
(
JSA
)
Design and implementation of a new clean room environment for tunnel work and first use for NL12 warm girders and next steps for improvements
John Heckman
(
JSA
)
2:30 PM - 2:50 PM
Room: TL1227
2:50 PM
First experience of “particulate free” warm girder NL12 & NL13 assembly with real-time particulate monitoring and identified improvements for next round of practice
-
Danny Forehand
(
JLAB
)
Greg Marble
(
JLAB
)
Chris Dreyfuss
(
JLAB
)
First experience of “particulate free” warm girder NL12 & NL13 assembly with real-time particulate monitoring and identified improvements for next round of practice
Danny Forehand
(
JLAB
)
Greg Marble
(
JLAB
)
Chris Dreyfuss
(
JLAB
)
2:50 PM - 3:00 PM
Room: TL1227
3:00 PM
Design and first use of the slow venting apparatus for NL12 warm girders and future improvements
-
Ari Palczewski
(
Jefferson Lab
)
Danny Forehand
(
JLAB
)
Design and first use of the slow venting apparatus for NL12 warm girders and future improvements
Ari Palczewski
(
Jefferson Lab
)
Danny Forehand
(
JLAB
)
3:00 PM - 3:05 PM
Room: TL1227
3:05 PM
Particulates collected and analyzed from UHV surfaces of NL12 and NL13 warm girder components
-
Joshua Spradlin
(
Jefferson Lab
)
Anne-Marie Valente-Feliciano
(
Jefferson Lab
)
Charles Reece
(
JLab
)
Particulates collected and analyzed from UHV surfaces of NL12 and NL13 warm girder components
Joshua Spradlin
(
Jefferson Lab
)
Anne-Marie Valente-Feliciano
(
Jefferson Lab
)
Charles Reece
(
JLab
)
3:05 PM - 3:25 PM
Room: TL1227
3:25 PM
Post-mortem investigation of leaky gate valves (warm gate valves and cold valves): condition of Viton O-ring in terms of particulate shedding and nature of failure
-
Greg Marble
(
JLAB
)
Rong-Li Geng
(
Thomas Jefferson National Accelerator Facility
)
Post-mortem investigation of leaky gate valves (warm gate valves and cold valves): condition of Viton O-ring in terms of particulate shedding and nature of failure
Greg Marble
(
JLAB
)
Rong-Li Geng
(
Thomas Jefferson National Accelerator Facility
)
3:25 PM - 3:30 PM
Room: TL1227