Difference between revisions of "Main Page"

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'''Thomas Jefferson National Accelerator Facility, Center for Injectors and Sources'''
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'''Jefferson Lab Center for Injectors and Sources'''
 
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'''Mission''': To design, build and maintain high performance particle beam sources for injectors and accelerators. Our core responsibility is the operation of the polarized electron source for the 12 GeV Continuous Electron Beam Accelerator Facility (CEBAF).  Additionally, we operate sources and injectors for the 170 MeV Low Energy Research Facility (LERF), the 10 MeV Upgrade Injector Test Facility (UITF), and the 500 keV Gun Test Stand (GTS).  Our research interests aim at the production of spin polarized electron and positron beams, magnetized beams and beams with orbital angular momentum.  Our work specializes in extreme high vacuum chambers and diagnostics, very high voltage power supplies and electrodes, high power and radio-frequency lasers, robust and efficient photocathodes, and precision polarimetry.
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[[File:Shrinking_CIS.png|thumb|center|450px|alt=Group Photo.|CIS members are (l to r) Matt Poelker (Group Leader), Joe Grames, Bubba Bullard, Marcy Stutzman, Scott Windham, Shukui Zhang, Carlos Hernandez-Garcia, Phil Adderley, Riad Suleiman.]]
 
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=='''''Upcoming Meetings'''''==
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'''Mission''': The Center for Injectors and Sources builds and operates high performance beam sources for injectors and accelerators.  Our primary mission is the operation of a polarized electron source for the 12 GeV Continuous Electron Beam Accelerator Facility (CEBAF).  We also operate sources and perform research at the Upgrade Injector Test Facility (UITF), the Low Energy Research Facility (LERF), and the Gun Test Stand (GTS).  In support of our mission our work specializes in DC high voltage photoguns operating at extremely low pressures, using high power lasers to reliably producing intense polarized or unpolarized electron beams from photocathodes, and developing instrumentation and diagnostics to characterize these beams.
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[[File:Sajini-JSA.jpg|thumb|left|100px]] Sajini Wijethunga, a graduate student at Old Dominion University working with the Center for Injectors and Sources at Jefferson Laboratory has been awarded a 2019-2020 JSA/JLab Graduate Fellowship to support her PhD research and related travel.  Her research focuses on studying the space charge effects of high intensity magnetized electron beams required for electron cooling in the proposed Jefferson Lab Electron Ion Collider.  Her anticipated graduation is May 2021.
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=='''''Recent Publications'''''==
 
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* K. Aulenbacher, E. Chudakov, D. Gaskell, J. Grames, and K.D. Paschke, ''Precision electron beam polarimetry for next generation nuclear physics experiments'', International Journal of Modern Physics E,  '''27''', 7 (2018) 1830004 (57 pages) DOI: 10.1142/S0218301318300047 [https://www.worldscientific.com/doi/abs/10.1142/S0218301318300047 On-Line] [[media:IJMPE_27_7_2018.pdf]]
 
  
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* Wei Liu, Yiqiao Chen, Aaron Moy, Matthew Poelker, Marcy Stutzman, and Shukui Zhang, "''Evaluation of GaAsSb/AlGaAs strained superlattice photocathodes,''" AIP Advances '''8''', 075308 (2018); doi: 10.1063/1.5040593, View online: [https://doi.org/10.1063/1.5040593], [[media:GaAsSb_AlGaAs photocathode study.pdf]]
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[https://jeffersonlab.sharepoint.com/sites/CIS CIS Sharepoint (internal)]
  
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[[CIS Safety]]
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[[File:GroupPhoto_July2014.jpeg|thumb|right|450px|alt=Group Photo.|CIS members are (l to r) Matt Poelker (Group Leader), Joe Grames, Bubba Bullard, Marcy Stutzman, John Hansknecht, Shukui Zhang, Carlos Hernandez-Garcia, Phil Adderley, Riad Suleiman.]]
 
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'''[[Contact Us]]'''
 
  
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'''[[Historical Timeline]]'''
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[[CIS Career Opportunities]]
  
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'''[[CIS Library]]'''
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[[Contact Us]]
  
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'''[[CEBAF Operations]]'''
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[[CIS Library]]
  
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'''[[LERF Operations]]'''
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[[CEBAF Operations]]
  
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'''[[UITC Operations]]'''
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[[LERF Operations]]
  
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'''[[Gun Test Stand at LERF]]'''
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[[UITF Operations]]
  
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'''[[Technical Areas]]'''
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[[Gun Test Stand at LERF]]
  
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'''[[Research and Design]]'''
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[[Technical Areas]]
  
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'''[[CEBAF Injector Upgrade]]'''
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[[Research and Design]]
  
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'''[[Useful Links]]'''
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[[Useful Links]]
  
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'''Quick Links to our R&D Area:'''
 
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* <span style="font-size:90%"> '''[[:File:12GeV injector quick reference rev15.pdf|Injector Quick Reference Drawing]]''' </span>
 
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* <span style="font-size:90%"> '''[[CEBAF MeV Mott Polarimeter]]''' </span>
 
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* <span style="font-size:90%"> '''[[Parity Quality Beam]]''' </span>
 
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* <span style="font-size:90%"> '''[[Bubble Chamber]]''' </span>
 
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* <span style="font-size:90%"> '''[[Magnetized Electron Gun for JLEIC Cooler]]''' </span>
 
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* <span style="font-size:90%"> '''[[Resonant Polarimeter]]''' </span>
 
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* <span style="font-size:90%"> '''[[Vortex Beams]]''' </span>
 
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* <span style="font-size:90%"> '''[[Polarized Positron Beams for JLEIC]]''' </span>
 
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* <span style="font-size:90%"> ''[https://epicsweb.jlab.org/ EPICS Web]''' </span>
 
 
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Revision as of 16:59, 21 July 2022

Jefferson Lab Center for Injectors and Sources

Group Photo.
CIS members are (l to r) Matt Poelker (Group Leader), Joe Grames, Bubba Bullard, Marcy Stutzman, Scott Windham, Shukui Zhang, Carlos Hernandez-Garcia, Phil Adderley, Riad Suleiman.

Mission: The Center for Injectors and Sources builds and operates high performance beam sources for injectors and accelerators. Our primary mission is the operation of a polarized electron source for the 12 GeV Continuous Electron Beam Accelerator Facility (CEBAF). We also operate sources and perform research at the Upgrade Injector Test Facility (UITF), the Low Energy Research Facility (LERF), and the Gun Test Stand (GTS). In support of our mission our work specializes in DC high voltage photoguns operating at extremely low pressures, using high power lasers to reliably producing intense polarized or unpolarized electron beams from photocathodes, and developing instrumentation and diagnostics to characterize these beams.


CIS Sharepoint (internal)

CIS Safety

CIS Career Opportunities

Contact Us

CIS Library

CEBAF Operations

LERF Operations

UITF Operations

Gun Test Stand at LERF

Technical Areas

Research and Design

Useful Links


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