A. Hocker
Fermilab
35 Papers
131 Citations
A. Hocker is an academic researcher from Fermilab. The author has contributed to research in topics: Cryomodule & Fermilab. The author has an hindex of 6, co-authored 35 publications.
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Papers
LCLS-II SRF Cavity Processing Protocol Development and Baseline Cavity Performance Demonstration
Matthias Liepe,Paul Bishop,Mattia Checchin,Holly Conklin,A. C. Crawford,Edward Daly,Kirk Davis,M. Drury,Ralf Eichhorn,John Fischer,Fumio Furuta,Mingqi Ge,Daniel Gonnella,Anna Grassellino,Chuck Grimm,Terri Gruber,Daniel Hall,A. Hocker,Georg Hoffstaetter,John Kaufman,Gregory Kulina,James Maniscalco,Martina Martinello,Oleksandr Melnychuk,Tim O'Connell,Joseph Ozelis,Ari Palczewski,Peter Quigley,Charles Reece,Alexander Romanenko,Marc Ross,Allan Rowe,Daniel Sabol,James Sears,Dmitri Sergatskov,William Soyars,Richard Stanek,Vadim Veshcherevich,Genfa Wu +38 more
- 01 Dec 2015
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The Joint High Q0 R&D Program for LCLS-II
Matthias Liepe,A. C. Crawford,Ralf Eichhorn,Fumio Furuta,Mingqi Ge,Rongli Geng,Daniel Gonnella,Anna Grassellino,A. Hocker,Georg Hoffstaetter,Oleksandr Melnychuk,Ari Palczewski,Charles Reece,Alexander Romanenko,Marc Ross,Allan Rowe,Dmitri Sergatskov +16 more
- 01 Jul 2014
TL;DR: In this article, the authors developed and demonstrated a cavity treatment protocol for the LCLS-II cavities meeting these specifications, based on nitrogen doping of the RF surface layer during a high temperature heat treatment.
•Posted Content
RF Test Results from Cryomodule 1 at the Fermilab SRF Beam Test Facility
Elvin Harms,Kermit Carlson,Brian Chase,Ed Cullerton,A. Hocker,C. Jensen,P.W. Joireman,A. Klebaner,T. Kubicki,Michael Kucera,A. Legan,J. Leibfritz,A. Martinez,Mike McGee,S. Nagaitsev,O. Nezhevenko,Dennis Nicklaus,H. Pfeffer,Yu. Pischalnikov,Peter Prieto,J. Reid,Warren Schappert,V. Tupikov,Philip Varghese,Julien Branlard +24 more
TL;DR: In this paper, the results of these tests and lessons learned which will have an impact on future module testing at Fermilab were reported. But these results are limited to the eight individual cavities of the Cryomodule 1 (CM-1).
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First Beam and High-Gradient Cryomodule Commissioning Results of the Advanced Superconducting Test Accelerator at Fermilab
Darren Crawford,Curtis Baffes,Daniel Broemmelsiek,Kermit Carlson,Brian Chase,Ed Cullerton,John Diamond,Nathan B. Eddy,Dean Edstrom,Elvin Harms,A. Hocker,Cindy Joe,A. Klebaner,Michael Kucera,J. Leibfritz,Alex Lumpkin,Jerry Makara,Sergei Nagaitsev,Oleg Nezhevenko,Dennis Nicklaus,Lucy Nobrega,Philippe Piot,Peter Prieto,J. Reid,Jinhao Ruan,James Santucci,William Soyars,Giulio Stancari,Ding Sun,Randy Thurman-Keup,Alexander Valishev,A. Warner,Steven Wesseln +32 more
- 01 Jun 2015
TL;DR: In this paper, the International Linear Collider (ILC) style 8-cavity cryomodule has achieved the ILC performance milestone of 31.5 MV/m per cavity.
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Results from RF Tests of the First US-built High-gradient Superconducting Cryomodule
A. Hocker,Curtis Baffes,Kermit Carlson,Brian Chase,Darren Crawford,Ed Cullerton,Dean Edstrom,Elvin Harms,Tom Kubicki,Michael Kucera,J. Leibfritz,Jerry Makara,Dave McDowell,Oleg Nezhevenko,Dennis Nicklaus,H. Pfeffer,Yuriy Pischalnikov,Peter Prieto,J. Reid,Warren Schappert,Pierpaolo Stabile,Philip Varghese +21 more
- 01 Jul 2014
TL;DR: Fermilab has built a cryomodule comprised of eight 1.3 GHz superconducting RF cavities for use in its Advanced Superconducting Test Accelerator (ASTA) facility as discussed by the authors.
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