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Particle Identification in Belle II Silicon Vertex Detector
/ Hazra, S (Tata Inst.) ; Kaliyar, A B (Tata Inst.) ; Mohanty, G B (Tata Inst.) ; Adamczyk, K (Cracow, INP) ; Aihara, H (Tokyo U.) ; Aziz, T (Tata Inst.) ; Bacher, S (Cracow, INP) ; Bahinipati, S (Indian Inst. Tech., Bhubaneswar) ; Batignani, G (Pisa U. ; INFN, Pisa) ; Baudot, J (Strasbourg, IPHC) et al.
We report a particle identification (PID) tool developed using energy-loss information in the silicon-strip vertex detector (SVD) of Belle II for charged pions, kaons, and protons using \(D^{* + } \to D^{0}[ \to K^{ - }\pi ^{ + }]\pi ^{ + }\) and \(\Lambda \to p\pi ^{ - }\) decay samples. The study is based on e^+e^− collision data recorded at the \(\Upsilon (4S)\) resonance by Belle II and the results are compared with that of a Monte Carlo sample. [...]
2021 - 7 p.
- Published in : JPS Conf. Proc. 34 (2021) 010018
Fulltext: PDF;
In : 29th International Workshop on Vertex Detectors, Virtual, Japan, 5 - 8 Oct 2020, pp.010018
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The high voltage system with pressure and temperature corrections for the novel MPGD-based photon detectors of COMPASS RICH-1
/ Zhao, Y. X. (INFN Trieste) ; Agarwala, J. (INFN Trieste, Abdus Salam ICTP) ; Bari, M. (INFN Trieste) ; Bradamante, F. (INFN Trieste, University of Trieste) ; Bressan, A. (INFN Trieste, University of Trieste) ; Chatterjee, C. (INFN Trieste, University of Trieste) ; Cicuttin, A. (INFN Trieste, Abdus Salam ICTP) ; Ciliberti, P. (INFN Trieste, University of Trieste) ; Crespo, M. (INFN Trieste, Abdus Salam ICTP) ; Dalla Torre, S. (INFN Trieste) et al.
The novel MPGD-based photon detectors of COMPASS RICH-1 consist of large-size hybrid MPGDs with multi-layer architecture including two layers of Thick-GEMs and a bulk resistive MicroMegas. The top surface of the first THGEM is coated with a CsI film which also acts as photo-cathode. [...]
AIDA-2020-PUB-2019-010.-
Geneva : CERN, 2019
- Published in : Nucl. Instrum. Meth. A 942 (2019) 162378
Fulltext: PDF;
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The Belle II Physics Book
/ Belle-II Collaboration
We present the physics program of the Belle II experiment, located on the intensity frontier SuperKEKB e+e- collider. Belle II collected its first collisions in 2018, and is expected to operate for the next decade. [...]
arXiv:1808.10567; KEK Preprint 2018-27; BELLE2-PUB-PH-2018-001; FERMILAB-PUB-18-398-T; JLAB-THY-18-2780; INT-PUB-18-047; UWThPh 2018-26.-
2019-12-23 - 654 p.
- Published in : PTEP: 2019 (2019) , no. 12, pp. 123C01
- Published in : PTEP: 2020 (2020) , no. 2, pp. 029201
Article from SCOAP3: PDF; Fulltext: 1808.10567 - PDF; fermilab-pub-18-398-t - PDF; Erratum - PDF; Fulltext from publisher: PDF; External link: Fermilab Library Server (fulltext available)
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The high voltage system for the novel MPGD-based photon detectors of COMPASS RICH-1
/ Agarwala, J. (INFN, Trieste) ; Birsa, R. (INFN, Trieste) ; Bradamante, F. (INFN, Trieste ; Trieste U.) ; Bressan, A. (INFN, Trieste ; Trieste U.) ; Chatterjee, C. (Trieste U. ; INFN, Trieste) ; Ciliberti, P. (INFN, Trieste ; Trieste U.) ; Dalla Torre, Silvia (INFN, Trieste) ; Dasgupta, S. (INFN, Trieste ; Trieste U.) ; Gobbo, B. (INFN, Trieste) ; Gregori, M. (INFN, Trieste) et al.
The architecture of the novel MPGD-based photon detectors of COMPASS RICH-1 consists in a large-size hybrid MPGD multilayer layout combining two layers of Thick-GEMs and a bulk resistive MICROMEGAS. Concerning biasing voltage, the Thick-GEMs are segmented in order to reduce the energy released in case of occasional discharges, while the MICROMEGAS anode is segmented in pads individually biased at positive voltage, while the micromesh is grounded. [...]
arXiv:1803.01667; AIDA-2020-CONF-2018-009
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Geneva : SISSA, 2018-11-19 - 6 p.
- Published in : PoS MPGD2017 (2019) 053
Fulltext: AIDA-2020-CONF-2018-009 - PDF; PoS(MPGD2017)053 - PDF; 1803.01667 - PDF;
In : 5th International Conference on Micro-Pattern Gas Detectors, Philadelphia, Pennsylvania, Pa, Usa, 22 - 26 May 2017, pp.053
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The novel photon detectors based on MPGD technologies for the upgrade of COMPASS RICH-1
/ Agarwala, J. (INFN, Trieste ; ICTP, Trieste) ; Alexeev, M. (INFN, Turin ; Turin U.) ; Azevedo, C.D.R. (Aveiro U.) ; Birsa, R. (INFN, Trieste) ; Bradamante, F. (INFN, Trieste ; U. Trieste (main)) ; Bressan, A. (INFN, Trieste ; U. Trieste (main)) ; Chatterjee, C. (INFN, Trieste ; U. Trieste (main)) ; Chiosso, M. (INFN, Turin ; Turin U.) ; Cicuttin, A. (INFN, Trieste ; ICTP, Trieste) ; Ciliberti, P. (INFN, Trieste ; U. Trieste (main)) et al.
The RICH-1 Detector of the COMPASS experiment at CERN SPS has undergone an important upgrade in 2016. Four new photon detectors, based on MPGD technology and covering a total active area larger than 1.2~m2 have replaced the previously used MWPC-based photon detectors. [...]
arXiv:1804.05765; AIDA-2020-CONF-2018-008
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Geneva : SISSA, 2018-04-13 - 7 p.
- Published in : PoS MPGD2017 (2019) 052
Fulltext: PoS(MPGD2017)052 - PDF; AIDA-2020-CONF-2018-008 - PDF; 1804.05765 - PDF;
In : 5th International Conference on Micro-Pattern Gas Detectors, Philadelphia, Pennsylvania, Pa, Usa, 22 - 26 May 2017, pp.052
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RHIP, a Radio-controlled High-Voltage Insulated Picoammeter and its usage in studying ion backflow in MPGD-based photon detectors
/ Dalla Torre, S. (INFN Trieste) ; Bari, M. (INFN Trieste) ; Gobbo, B. (INFN Trieste) ; Gregori, M. (INFN Trieste) ; Levorato, S. (INFN Trieste) ; Menon, G. (INFN Trieste) ; Tessarotto, F. (INFN Trieste)
A picoammeter system has been developed and engineering. It consists in a current-voltage converter, based on an operational amplifier with very low input current, a high precision ADC, a radio controlled data acquisition unit and the computer-based control, visualization and storage. [...]
AIDA-2020-CONF-2018-007; arXiv:1803.02894.-
Geneva : CERN, 2019
- Published in : PoS MPDG2017 (2019) 068
Fulltext: PDF;
In : 5th International Conference on Micro-Pattern Gas Detectors, Philadelphia, Pennsylvania, Pa, Usa, 22 - 26 May 2017, pp.068
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Status of COMPASS RICH-1 Upgrade with MPGD-based Photon Detectors
/ Tessarotto, F. (INFN, Trieste) ; Alexeev, M. (INFN, Turin) ; Birsa, R. (INFN, Trieste) ; Bradamante, F. (INFN, Trieste ; U. Trieste (main)) ; Bressan, A. (INFN, Trieste ; U. Trieste (main)) ; Chiosso, M. (INFN, Turin ; U. Turin (main)) ; Ciliberti, P. (INFN, Trieste ; U. Trieste (main)) ; Dalla Torre, S. (INFN, Trieste) ; Dasgupta, S. (INFN, Trieste ; U. Trieste (main)) ; Denisov, O. (INFN, Turin) et al.
A Set of new MPGD-based Photon Detectors is being built for the upgrade of COMPASS RICH-1. The detectors cover a total active area of 1.4 m$^2$ and are based on a hybrid architecture consisting of two THGEM layers and a Micromegas. [...]
arXiv:1710.09274.-
2018 - 5 p.
- Published in : EPJ Web Conf. 174 (2018) 01004
Fulltext: epjconf_mpgd2018_01004 - PDF; arXiv:1710.09274 - PDF; External links: 00003 Rate of discharges in THGEMs as function of the bias voltage in Ar/CO$_2$ 70/30 gas mixture.; 00000 Artistic view of the COMPASS RICH-1 detector (left) and exploded view of the new PDs (right); 00002 Schematic section of the hybrid module (not in scale).; 00004 A THGEM in its handling frame (left) and inside the CsI deposition plant (right).; 00005 A THGEM in its handling frame (left) and inside the CsI deposition plant (right).; 00001 Artistic view of the COMPASS RICH-1 detector (left) and exploded view of the new PDs (right)
In : 4th International Conference on Micro Pattern Gaseous Detectors - MPGD2015, Trieste, Italy, 12 - 15 Oct 2015, pp.01004
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