Main Page

Fall 2017 Commissioning Plans

• Information for Shift Takers (2017-2018 Shift Signup)
• Target web page. Target training schedule
• Sign up for hallc_running mailing list. Archive
• Beam Schedule
• Fall 2017 Commissioning Plan
• Experts on call
• How-to
• Detector Working Group Biweekly Meeting Agendas
• Wiki Page for Detector Working Group Biweekly Meetings

Spring 2017 KPP run

• KPP Run Plan
  • Hall C KPP Slides (final) [pdf]
• RC daily meetings and daily runplan for KPP
• Logbook entry with pdf of the run sheets.

Hall C Links

• List of (legacy) Hall-C HowTo Documents
• HCANA doxygen
• Google Search of this Wiki
• Hall C Home Page
• Hall C Logbook
• Document Database (Publically readable view)
• Hall C Calendar (Google)
• Hall C Weekly Meeting minutes
• Previous Experiments
  • Qweak, Qweak Wiki
  • HKS, HKS Wiki
  • SANE
  • GEp
  • RCS
  • 2007 Rosenbluth experiments
  • G0
• Other Wikis
  • Neutral Particle Spectrometer
• Misc Links:
  • Survey and Alignment Group: Surveys 2001-Present
  • Hall C posters

Hall C

Hall C is one of four experimental halls at JLab.

Hall C Computing.

Hall C in the Press.

Basic Equipment in Hall C

• August 2016 ERR
• Detector Working Group Meetings
• Online/Offline Monitoring Working Group Meetings

SHMS Magnets

• Formulas used for setting current of SHMS magnets during KPP

Magnet	Formula
HB	Current = 330.05*p - 3.1784*p^2 + 0.4018*p^3
Q1	Current = 222.4*p - 7.709*p^2 + 0.6684*p^3
Q2	Current = 3661*p/11
Q3	Current = 2434*p/11
Dipole	Current = 3450*p/11

• SHMS Horizontal Bender
• SHMS Q1

Scattering Chamber

• The scattering chamber window on the SHMS side is 0.020 inches thick 2024-T4 aluminum.

SHMS Entrance Window and Vacuum vessel

• The Horizontal Bender entrance window is 0.010 inches thick 2024-T3 aluminum.
• The dipole exit window is 0.020 inches thick 5056 aluminum.

Target

Spring 2017 KKP run

• Word doc describing the targets and their thicknesses. Also available at logbook entry.
• Drawing of target ladder. Also available at JLab document repository.

Fall 2017 run

• Logbook entry on the Fall target configuration which has links to file describing the targets and their thicknesses and a file with the mechanical drawing of the target ladder.
• BeO target was replaced by the "halo" cylinder target. Logbook entry with drawing of "halo" cylinder target.
• Drawing of target ladder with cryo cells and solid target ladder.
• Drawing of cryotarget cell with 2.5inch diameter and 10 cm long (after using insert entrance window). Used for separate LH2 and LD2 cells in ladder.
• Drawing of cryotarget with 1.6 inch diameter for 4cm cell.
• Drawing of cryotarget with 1.6 inch diameter for 10cm cell.

HMS Detectors

• Pre-12 GeV Drift Chambers
• Post-12 GeV Drift Chambers
• Hodoscopes
• Calorimetry
• Aerogel
• Cherenkov

SHMS Detectors

• Hodoscopes
• Drift Chambers
• Calorimetry
• Aerogel
• Heavy Gas Cherenkov
• Noble Gas Cherenkov
• Miscellaneous Information

DAQ & Trigger

• Hall C DAQ How-tos
• Scalers
• Trigger
• Electronic/Computer Live Time Studies

Controls

• High Voltage
• Spectrometer Controls (Use go_cmagnets command)
• HMS and SHMS Collimator Control document.

Online Replay

• Basic Hall C replay structure on github.
• Brief overview of the basic Hall C replay structure .

Data Analysis

• Analyzer and other Hall C related software
• Discussion of the HCANA software flow.
• Documentation on the Hall C optics optimization.
• Software task list for summer of 2017.
• Summer 2017 Analysis Workshop
• Agendas for biweekly software meetings.

Monte Carlo

• SIMC

Hall C at 12 GeV

• Hall C 12 GeV Upgrade Web Page
• SHMS-HMS User Group wiki page with list of board members, charter and table of contacts.
• Listing of newsletters on the SHMS/HMS/12GeV .
• SHMS Mailing List (shms_users@jlab.org) is the mailing list for sharing information on the SHMS and 12 GeV upgrade in general.
• Index of 12 GeV software related wiki pages. Go to Hall C Software Mailing List (hallcsw@jlab.org) to see the archives from the mailing list or to subscribe to the mailing list.
• Index of SHMS related wiki pages.
• Polarized 3He target in Hall C

• Wiki pages for 12 GeV experiments:
  • b1
  • Polarized WACS
  • Azz: Azz Meetings
  • E12-10-002
  • E12-10-003 Deuteron Electro-Disintegration At Very High Missing Momenta
• Elog for 12GeV Preparations