Data taking period:
First run 48670, since 7/29/2026 21:33:00
Last run 48700, ended at 8/3/2026 6:02:00
Target:
American beryllum target
Dimension: 25*25*14.9 mm (TBC)
Beam: Secondary hadron beam
Beam momentum: 15 GeV/c
Run Ranges:
Target IN: 48670, 48671, 48679-48681, 48686, 48687, 48692-48694, 48697-48700.
Target OUT: 48676, 48677, 48678, 48683-48685, 48689, 48690, 48696.
Beam settings:
https://na61-elog.cern.ch/Beam+logbook/295
Geometer survey result
To be added
Counters position:
S1:
S2:
S4: 18.9 mm Jura side
V0:
V1:
V1p
Trigger settings for (prescaler IN / prescaler OUT):
T1: S1 S2 V0bar V1bar V1pbar CED6 (100 / 300)
T2: S1 S2 V0bar V1bar V1pbar CED6 S4bar (1 / 1)
T3: S1 S2 V0bar V1bar V1pbar (1000 / 3000)
T4: S1 S2 V1pbar S4bar (5000 / 0)
HV/LV TPCs settings
https://na61-elog.cern.ch/Experts+logbook/374
Magnets ON
20 GeV/c MF
VTX-1 set: 583.3 A, read: 579.9 A
VTX-2 set: 451.5 A, read: 450.1 A
Detectors
Name Included detectors
Counters S1, S2, S4, V0, V1, V1p
Beam position detectors DWC-1, DWC-2, DWC-3
TPCs VTPCs, GTPC, MTPCs, FTPCs, GRC-L
TOF (mRPC) TOF-L, TOF-R, TOF-F |