Experts on call

On call Experts

• Before contacting any on-call experts, shift workers should consult the Run Coordinator 270-8916

General

Hall C Run Coordinator

• 270-8916

Hall C Counting House and Hall

• C_telephones2017.gif

Hall C Technical on call

• 593-7890
• Use for issues related to HMS/SHMS magnets, power supplies, rotation or other hall infrastructure
• If no response to first call:

1. Wait 10 minutes
2. Call again - leave voicemail if no pickup, alert the RC - RC will contact appropriate subject matter expert

Hall C Work Coordinator

• Walter Kellner: 592-1527

Raster

• Mark Jones: 206-7702
• Bill Gunning: 879-2420 or 269-5017
• Chris Cuevas: 865-0461

Beamline

• Dave Gaskell: 719-5482

Unser, BCM

• Dave Mack: 269-7442

Beam Energy Measurement

• Mark Jones: 206-7702
• Dave Mack: 269-7442

Online/offline analysis

DAQ, Trigger

• Brad Sawatzky: 344-2494

High Voltage

• Steve Wood: 593-6656

Target system

Cryo Target

• The Target Expert on call should be written on the white board in the counting room,
  and will rotate among the three people listed below.
  If you can't reach the expert currently on call, try one of the other two.
  • Greg Smith: (757) 871-4371
  • Silviu Covrig: (843) 697-1753
  • JP Chen: (757) 218-0722

SHMS Detectors

Hodoscopes

• Simona Malace: 869-3131

Drift Chambers

• Eric Christy: 725-2685
• Deb Biswas: 503-9499

Noble Gas Cherenkov

• Brad Sawatzky (gas system): 344-2494
• Donal Day: 434-249-0241

Heavy Gas Cherenkov

• Brad Sawatzky (gas system): 344-2494
• Garth Huber:

Aerogel

• Vladimir Berdnikov: 757-269-6928 (office), 757-277-8135 (cell)
• Hamlet Mkrtchyan: (hamlet@jlab.org) - remote, not on site

Calorimeter

• Hakob Voskanyan: 7741, 223-6507
• Hamlet Mkrtchyan: 7741 (hamlet@jlab.org) - remote, not on site

HMS Detectors

Hodoscopes

• Simona Malace: 869-3131

Drift Chambers

• Howard Fenker: 849-2587
• Brad Sawatzky: 344-2494
• Liguang Tang:

Gas Cherenkov

• Howard Fenker: 849-2587
• Brad Sawatzky (gas system): 344-2494

Calorimeter

• Hakob Voskanyan: 7741, 223-6507
• Hamlet Mkrtchyan: (hamlet@jlab.org) - remote, not on site