The CLAS12 Geant4 simulation

Ungaro, M.; Angelini, G.; Battaglieri, M.; Burkert, V. D.; Carman, D. S.; Chatagnon, P.; Contalbrigo, M.; Defurne, M.; De Vita, R.; Duran, B.; Fair, R.; Garçon, M.; Ghoshal, P.; Rajput-Ghoshal, R.; Gotra, Y.; Joosten, S.; Kim, A.; Lersch, D.; Markov, N.; Mestayer, M. D.; Miller, R.; Mirazita, M.; Newton, J.; Niccolai, S.; Phelps, W.; Procureur, S.; Prok, Y.; Puckett, A.; Sokhan, D.; Stepanyan, S.; Vlassov, A.; Wang, R.; Wiggins, C.; Ziegler, V.

doi:10.1016/j.nima.2020.163422

Title: The CLAS12 Geant4 simulation

Journal Article · 11 January 2020 · Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment

DOI: https://doi.org/10.1016/j.nima.2020.163422 · OSTI ID:1583123

Ungaro, M. ^[1]; Angelini, G. ^[2]; Battaglieri, M. ^[3]; Burkert, V. D. ^[1]; Carman, D. S. ^[1]; Chatagnon, P. ^[4]; Contalbrigo, M. ^[5]; Defurne, M. ^[6]; De Vita, R. ^[3]; Duran, B. ^[7]; Fair, R. ^[1]; Garçon, M. ^[6]; Ghoshal, P. ^[1]; Rajput-Ghoshal, R. ^[1]; Gotra, Y. ^[1]; Joosten, S. ^[8]; Kim, A. ^[9]; Lersch, D. ^[10]; Markov, N. ^[9]; Mestayer, M. D. ^[1] more »

Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
George Washington Univ., Washington, DC (United States)
National Inst. of Nuclear Physics (INFN), Genova (Italy)
Univ. Paris-Sud, Orsay (France). Orsay Nuclear Physics Inst., French National Center for Scientific Research CNRS-IN2P3
National Inst. of Nuclear Physics (INFN), Ferrara (Italy)
Univ. Paris-Saclay, Gif-sur-Yvette (France). Inst. of Research into the Fundamental Laws of the Universe (IRFU), Alternative Energies and Atomic Energy Commission (CEA)
Temple Univ., Philadelphia, PA (United States)
Argonne National Lab. (ANL), Argonne, IL (United States)
Univ. of Connecticut, Storrs, CT (United States)
Florida State Univ., Tallahassee, FL (United States)
National Inst. of Nuclear Physics (INFN), Frascati (Italy)
Old Dominion Univ., Norfolk, VA (United States)
Old Dominion Univ., Norfolk, VA (United States); Virginia Commonwealth Univ., Richmond, VA (United States)
Univ. of Glasgow, Scotland (United Kingdom)
Inst. of Theoretical and Experimental Physics (ITEP), Moscow (Russian Federation)

The Geant4 Monte-Carlo (GEMC) package is needed to simulate the passage of particles through the various CLAS12 detectors. The geometry is implemented through a database of Geant4 volumes created either through the GEMC native API, by the CLAS12 geometry service, or imported from the CAD engineering model. The truth information is digitized with a plugin mechanism by routines specific to each detector and includes the use of the CLAS12 calibration database constants to produce both ADC and TDC response functions. Theoretical models that produce the generated events interface with GEMC through the LUND data format. The merging of simulated data with real random trigger data provides a mechanism to include both beam and electronic background into the simulation of generated events to accurately model beam data from the CLAS12 detector. Furthermore, the performance of simulation is demonstrated by comparison with the experimental data.

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Research Organization:: Thomas Jefferson National Accelerator Facility, Newport News, VA (United States); Argonne National Laboratory (ANL), Argonne, IL (United States); George Washington Univ., Washington, DC (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP); USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: AC05-06OR23177; AC02-06CH11357; SC0016583

OSTI ID:: 1583123

Report Number(s):: JLAB-PHY--19-3124; DOE/OR/23177--4867

Journal Information:: Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment, Journal Name: Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment Journal Issue: C Vol. 959; ISSN 0168-9002

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

References (17)

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The CLAS12 Spectrometer at Jefferson Laboratory Burkert, V. D.; Elouadrhiri, L.; Adhikari, K. P. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 959 https://doi.org/10.1016/j.nima.2020.163419	journal	April 2020
The CLAS12 Low Threshold Cherenkov detector Ungaro, M.; Anderson, D.; Asryan, G. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 957 https://doi.org/10.1016/j.nima.2020.163420	journal	March 2020
The CLAS12 beamline and its performance Baltzell, N.; Burkert, V. D.; Carvajal, J. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 959 https://doi.org/10.1016/j.nima.2020.163421	journal	April 2020
The CLAS12 Micromegas Vertex Tracker Acker, A.; Attié, D.; Aune, S. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 957 https://doi.org/10.1016/j.nima.2020.163423	journal	March 2020
The CLAS12 Central Neutron Detector Chatagnon, P.; Bettane, J.; Hoballah, M. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 959 https://doi.org/10.1016/j.nima.2020.163441	journal	April 2020
The CLAS12 software framework and event reconstruction Ziegler, V.; Baltzell, N. A.; Bossù, F. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 959 https://doi.org/10.1016/j.nima.2020.163472	journal	April 2020
The CLAS12 Forward Tagger Acker, A.; Attié, D.; Aune, S. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 959 https://doi.org/10.1016/j.nima.2020.163475	journal	April 2020
The CLAS12 drift chamber system Mestayer, M. D.; Adhikari, K.; Bennett, R. P. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 959 https://doi.org/10.1016/j.nima.2020.163518	journal	April 2020
The CLAS12 Trigger System Raydo, B.; Boyarinov, S.; Celentano, A. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 960 https://doi.org/10.1016/j.nima.2020.163529	journal	April 2020
The CLAS12 superconducting magnets Fair, R.; Baltzell, N.; Bachimanchi, R. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 962 https://doi.org/10.1016/j.nima.2020.163578	journal	May 2020
The CLAS12 Data Acquisition System Boyarinov, S.; Raydo, B.; Cuevas, C. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 966 https://doi.org/10.1016/j.nima.2020.163698	journal	June 2020
The CLAS12 Silicon Vertex Tracker Antonioli, M. A.; Baltzell, N.; Boyarinov, S. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 962 https://doi.org/10.1016/j.nima.2020.163701	journal	May 2020
The CLAS12 Ring Imaging Cherenkov detector Contalbrigo, M.; Kubarovsky, V.; Mirazita, M. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 964 https://doi.org/10.1016/j.nima.2020.163791	journal	June 2020
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