EJFAT

Technical Overview

EJFAT Technical Design Overview

Presentations/Papers

date	presenter	Event	links
2021-12-01	T. Jeske	ACAT2021	(PDF PPTX)

Resources

• TBD

Useful logbook entries

• HV tuning announcement
• Pressure calibration (uncalibrated mean is ~100 kPa)
• CDC relative gain from HV scan Primex Oct 2021 and HVB current vs HV
• CDC relative gain from HV scans 2018 & 2020
• gain consts summer 2020, 4 Sept 2020
• gain consts fall 2019, 10 Feb 2020
• gain consts fall 2018 fits 7 Jan 2020
• occupancy plot connector map

Raw data files

/cache/halld/RunPeriod-2018-08/rawdata/Run051689/hd_rawdata_051689_001.evio fall 2018 production, 180nA, 100kPa

source /group/halld/Software/build_scripts/gluex_env_boot_jlab.csh
hd_root /cache/halld/RunPeriod-2018-08/rawdata/Run051689/hd_rawdata_051689_001.evio -PPLUGINS=CDC_dedx,CDC_amp,CDC_TimeToDistance -PEVENTS_TO_KEEP=10000 -o outputfile.root 

Monitoring launch root files

offline monitoring data validation page Root files at (eg) /work/halld/data_monitoring/RunPeriod-2019-11/mon_ver17/rootfiles/hd_root_072265.root

EPICS

• Where's the documentation for this?
• List of EPICS vars

IBCAD00CRCUR6 Hall D beam current 
RESET:i:GasPanelBarPress1 atmospheric pressure uncalibrated 
GAS:i::CDC_Temps-CDC_D1_Temp  thermocouples in CDC downstream plenum
GAS:i::CDC_Temps-CDC_D2_Temp
GAS:i::CDC_Temps-CDC_D3_Temp
GAS:i::CDC_Temps-CDC_D4_Temp
GAS:i::CDC_Temps-CDC_D5_Temp 
GAS:i::CDC_Temps-CDC_U1_Temp  thermocouples in CDC upstream plenum
GAS:i::CDC_Temps-CDC_U2_Temp
GAS:i::CDC_Temps-CDC_U3_Temp
GAS:i::CDC_Temps-CDC_U4_Temp
GAS:i::CDC_Temps-CDC_U5_Temp
CDC:hv:A:1:imon  preamp current in HVB A1, innermost ring

many shown in HDRUN, eg https://logbooks.jlab.org/entry/3861759 They can be extracted from myStats on the counting house gluons, eg

myStats -b '2017-02-04 23:13:57' -e '2017-02-04 23:18:57' -l RESET:i:GasPanelBarPress1 -p 6

graphical epics

List of interesting runs

51689    (50 nA on amo)
51683    (50 nA on 47um diamond)
72630     (100nA on amo)
71350    (150nA on 47um diamond)
71464    (250nA on 47um diamond)
71500    (250nA on amo)
71592    (350nA on 47um diamond)
71695    (350nA on 47um diamond)
72660    (350nA on 47um diamond)

61793  (Primex, only 200nA but lots of partial tracks/junk hits & no field)

References

N.S. Jarvis, C.A. Meyer, B. Zihlmann, M. Staib, A. Austregesilo, F. Barbosa, C. Dickover, V. Razmyslovich, S. Taylor, Y. Van Haarlem, G. Visser, T. Whitlatch, The Central Drift Chamber for GlueX, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 962, 2020, 163727, ISSN 0168-9002, https://doi.org/10.1016/j.nima.2020.163727. (https://www.sciencedirect.com/science/article/pii/S0168900220302771)

S. Adhikari, C.S. Akondi, H. Al Ghoul, A. Ali, M. Amaryan, E.G. Anassontzis, A. Austregesilo, F. Barbosa, J. Barlow, A. Barnes, E. Barriga, R. Barsotti, T.D. Beattie, J. Benesch, V.V. Berdnikov, G. Biallas, T. Black, W. Boeglin, P. Brindza, W.J. Briscoe, T. Britton, J. Brock, W.K. Brooks, B.E. Cannon, C. Carlin, D.S. Carman, T. Carstens, N. Cao, O. Chernyshov, E. Chudakov, S. Cole, O. Cortes, W.D. Crahen, V. Crede, M.M. Dalton, T. Daniels, A. Deur, C. Dickover, S. Dobbs, A. Dolgolenko, R. Dotel, M. Dugger, R. Dzhygadlo, A. Dzierba, H. Egiyan, T. Erbora, A. Ernst, P. Eugenio, C. Fanelli, S. Fegan, A.M. Foda, J. Foote, J. Frye, S. Furletov, L. Gan, A. Gasparian, A. Gerasimov, N. Gevorgyan, C. Gleason, K. Goetzen, A. Goncalves, V.S. Goryachev, L. Guo, H. Hakobyan, A. Hamdi, J. Hardin, C.L. Henschel, G.M. Huber, C. Hutton, A. Hurley, P. Ioannou, D.G. Ireland, M.M. Ito, N.S. Jarvis, R.T. Jones, V. Kakoyan, S. Katsaganis, G. Kalicy, M. Kamel, C.D. Keith, F.J. Klein, R. Kliemt, D. Kolybaba, C. Kourkoumelis, S.T. Krueger, S. Kuleshov, I. Larin, D. Lawrence, J.P. Leckey, D.I. Lersch, B.D. Leverington, W.I. Levine, W. Li, B. Liu, K. Livingston, G.J. Lolos, V. Lyubovitskij, D. Mack, H. Marukyan, P.T. Mattione, V. Matveev, M. McCaughan, M. McCracken, W. McGinley, J. McIntyre, D. Meekins, R. Mendez, C.A. Meyer, R. Miskimen, R.E. Mitchell, F. Mokaya, K. Moriya, F. Nerling, L. Ng, H. Ni, A.I. Ostrovidov, Z. Papandreou, M. Patsyuk, C. Paudel, P. Pauli, R. Pedroni, L. Pentchev, K.J. Peters, W. Phelps, J. Pierce, E. Pooser, V. Popov, B. Pratt, Y. Qiang, N. Qin, V. Razmyslovich, J. Reinhold, B.G. Ritchie, J. Ritman, L. Robison, D. Romanov, C. Romero, C. Salgado, N. Sandoval, T. Satogata, A.M. Schertz, S. Schadmand, A. Schick, R.A. Schumacher, C. Schwarz, J. Schwiening, A.Yu. Semenov, I.A. Semenova, K.K. Seth, X. Shen, M.R. Shepherd, E.S. Smith, D.I. Sober, A. Somov, S. Somov, O. Soto, N. Sparks, M.J. Staib, C. Stanislav, J.R. Stevens, J. Stewart, I.I. Strakovsky, B.C. L. Sumner, K. Suresh, V.V. Tarasov, S. Taylor, L.A. Teigrob, A. Teymurazyan, A. Thiel, I. Tolstukhin, A. Tomaradze, A. Toro, A. Tsaris, Y. Van Haarlem, G. Vasileiadis, I. Vega, G. Visser, G. Voulgaris, N.K. Walford, D. Werthmüller, T. Whitlatch, N. Wickramaarachchi, M. Williams, E. Wolin, T. Xiao, Y. Yang, J. Zarling, Z. Zhang, Q. Zhou, X. Zhou, B. Zihlmann, The GlueX beamline and detector, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 987, 2021, 164807, ISSN 0168-9002, https://doi.org/10.1016/j.nima.2020.164807. (https://www.sciencedirect.com/science/article/pii/S0168900220312043)

M.D. Mestayer, K. Adhikari, R.P. Bennett, S. Bueltmann, T. Chetry, S.B. Christo, M. Cook, R.C. Cuevas, G.E. Dodge, L. El Fassi, T.A. Forest, G. Jacobs, T. Hartlove, T.B. Hayward, L. Kabir, S.E. Kuhn, D. McNulty, S. Nanda, J. Newton, W.M. Taylor, L.B. Weinstein, V. Ziegler, The CLAS12 drift chamber system, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 959, 2020, 163518, ISSN 0168-9002, https://doi.org/10.1016/j.nima.2020.163518. (https://www.sciencedirect.com/science/article/pii/S016890022030111X)