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 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

Beamline

• Dave Gaskell: 719-5482

Unser, BCM

• Dave Mack: 269-7442

Beam Energy Measurement

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

Polarized 3He Target

• Jianping Chen: (757) 218-0722
• more names will be added

Cryo Target (not used during F2019/Sp2020 run in Hall C)

• Target on call: (757) 218-0071

Online/offline analysis

DAQ, Trigger

• Brad Sawatzky: 344-2494

High Voltage

• Steve Wood: 593-6656

SHMS Detectors

Hodoscopes

• Simona Malace: 869-3131

Drift Chambers

• Eric Christy: 725-2685
• Deb Biswas: 503-9499
• Howard Fenker: 849-2587

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