G2p

The g2p Family of Experiments

E08-027 will measure the proton spin structure function g2p in Jefferson Lab's Hall A in 2011/12.

• Spokesmen: A. Camsonne , J.P. Chen, D. Crabb and K. Slifer (contact person).
• The Experiment Proposal (pdf)
• The g2p website.

E08-007 will measure the proton spin structure function ratio GE/GM concurrently with E08-027.

• Spokesmen: R. Gilman, D. Higinbotham, G. Ron, J. Arrington, D. Day, A. Sarty.
• The GEP website.

Weekly Meetings

• Analysis Meetings are held every Wednesday at 2:30 in F224. (minutes) (Agendas)
• Target Meetings are held every other Thursdays at 1:30 in F224. (minutes)
• Beam Transport Meetings are held every Tuesday at 8:30 in MCC. (minutes)

Collaboration Meetings

• Tentative date of next meeting: N/A
• August 30, 2011 (Hall A Review)
• May 6, 2011 (Readiness Review) (Final Report)
• April 18, 2011 (minutes)
• Feb. 4, 2011
• Sep. 30, 2010 (minutes)

Spectrometer Optics

• g2p optics page

Analysis

• Analysis elog
• Replay info to be posted here...
• Howto setup root,analyzer,geant4 environment for g2p
• Zhihong's howto for x>2

Polarized Target

• Introduction of the Polarized Proton Target used in g2p experiment
• UVa Polarized Target Wiki
• SANE Polarized Target Wiki
• Polarized Target Group in UVA
• Polarized Target Photos, Documents etc to aid in the installation and operation of the PT in Hall C
• Target cooled down in 1/17/2010-1/25/2010
• proton polarization in irradiated ammonia, Crabb, D. G

Runplan/Schedule

• Project Timeline
• The latest rate estimate (06/08/2011)
• 2011 Accelerator Schedule
• 2012 Accelerator Schedule

Daily_Run_Plan

G2PGEP_Daily_Run_Plan

Saftey Documentation

• COO [1]
• ESAD [2]
• Education [3]
• Safety Guidelines [4]

• SANE Safety Docs for reference.

Talks and Presentations

(please post any recent presentations here)

• 2011 NSTAR, K. Slifer (pdf)

• 2011 Hall A Workshop, K. Slifer (ppt)

• 2010 One Slide Summary ppt

• 2009 E08-027/E08-007 Presentation to R. McKeown, (pdf)

Relevent Theses

• E97110 List

Relevent Publications

• Axial anomaly and the δLT puzzle. arXiv:1103.4892

Technotes

• E08-027 Technical Documents

Links

Ron Group at Hebrew University of Jerusalem.

Mailing List

There are two mailing lists relevant to g2p:

• g2p@jlab.org : General announcements
• g2p_ana@jlab.org : Weekly analysis

You can subscribe to both at http://mailman.jlab.org

Help

• HOW-TO use the g2pwiki.