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The upgrade of the ALICE TPC with GEMs and continuous readout
/ ALICE TPC Collaboration
The upgrade of the ALICE TPC will allow the experiment to cope with the high interaction rates foreseen for the forthcoming Run 3 and Run 4 at the CERN LHC. In this article, we describe the design of new readout chambers and front-end electronics, which are driven by the goals of the experiment. [...]
arXiv:2012.09518.-
2021-03-15 - 87 p.
- Published in : JINST
Fulltext: PDF;
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R&D on high momentum particle identification with a pressurized Cherenkov radiator
/ Agócs, A G (Wigner RCP, Budapest) ; Barile, F (Bari U. ; INFN, Bari) ; Barnaföldi, G G (Wigner RCP, Budapest) ; Bellwied, R (Houston U.) ; Bencédi, G (Wigner RCP, Budapest) ; Bencze, G (Wigner RCP, Budapest) ; Berényi, D (Wigner RCP, Budapest) ; Boldizsár, L (Wigner RCP, Budapest) ; Chattopadhyay, S (Saha Inst.) ; Chinellato, D D (Houston U.) et al.
We report on the R&D; results for a Very High Momentum Particle Identification (VHMPID) detector, which was proposed to extend the charged hadron track-by-track identification in the momentum range from 5 to 25 GeV/ c in the ALICE experiment at CERN. It is a RICH detector with focusing geometry using pressurized perfluorobutane (C 4 F 8 O) as a Cherenkov radiator. [...]
2014 - 4 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 766 (2014) 92-95
Elsevier Open Access article: PDF;
In : 8th International Workshop on Ring Imaging Cherenkov Detectors, Hayama, Kanagawa, Japan, 2 - 6 Dec 2013, pp.92-95
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5.
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VHMPID RICH prototype using pressurized C$_{4}$F$_{8}$O radiator gas and VUV photon detector
/ Acconcia, T V (U. Campinas) ; Agócs, A G (Wigner RCP, Budapest) ; Barile, F (Bari U. ; INFN, Bari) ; Barnaföldi, G G (Wigner RCP, Budapest) ; Bellwied, R (Houston U.) ; Bencédi, G (Wigner RCP, Budapest) ; Bencze, G (Wigner RCP, Budapest) ; Berényi, D (Wigner RCP, Budapest) ; Boldizsár, L (Wigner RCP, Budapest) ; Chattopadhyay, S (Saha Inst.) et al.
A small-size prototype of a new Ring Imaging Cherenkov (RICH) detector using for the first time pressurized C4F8O radiator gas and a photon detector consisting of MWPC equipped with a CsI photocathode has been built and tested at the PS accelerator at CERN. It contained all the functional elements of the detector proposed as Very High Momentum Particle Identification (VHMPID) upgrade for the ALICE experiment at LHC to provide charged hadron track-by-track identification in the momentum range starting from 5 potentially up to 25 GeV/c. [...]
2014 - 11 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 767 (2014) 50-60
Elsevier Open Access article: PDF;
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R&D studies of a RICH detector using pressurized C$_{4}$F$_{8}$O radiator gas and a CsI-based gaseous photon detector
/ Agócs, A.G (Budapest, RMKI) ; Barile, F (Bari U ; INFN, Bari) ; Barnaföldi, G.G (Budapest, RMKI) ; Bellwied, R (Houston U.) ; Bencédi, G (Budapest, RMKI) ; Bencze, G (Budapest, RMKI) ; Berényi, D (Budapest, RMKI) ; Boldizsár, L (Budapest, RMKI) ; Chattopadhyay, S (Matrivani Inst., Calcutta) ; Chinellato, D.D (Houston U.) et al.
We report on studies of layout and performance of a new Ring Imaging Cherenkov detector using for the fi rst time pressurized C 4 F 8 O radiator gas and a photon detector consisting of a MWPC equipped with a CsI photocathode. In particular, we present here the results of beam tests of a MWPC having an adjustable anode – cathode gap, aiming at the optimization of single photoelectron detection and Cherenkov angle resolution. [...]
2013 - 5 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 732 (2013) 361-365
In : 13th Vienna Conference on Instrumentation, Vienna, Austria, 11 - 15 Feb 2013, pp.361-365
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A Very High Momentum Particle Identification Detector
/ ALICE Collaboration
The construction of a new detector is proposed to extend the capabilities of ALICE in the high transverse momentum (pT) region. This Very High Momentum Particle Identification Detector (VHMPID) performs charged hadron identification on a track-by-track basis in the 5 GeV/c < p < 25 GeV/c momentum range and provides ALICE with new opportunities to study parton-medium interactions at LHC energies. [...]
arXiv:1309.5880.-
2014 - 30 p.
- Published in : Eur. Phys. J. Plus 129 (2014) 91
Fulltext: PDF; External link: Preprint
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The VHMPID RICH upgrade project for ALICE at LHC
/ Di Mauro, A (CERN) ; Nappi, E (INFN, Bari ; Bari U.) ; Levai, P (Budapest, RMKI) ; Smirnov, N (Yale U.) ; Pochybova, S (Budapest, RMKI) ; Futo, E (Budapest, RMKI) ; Son, C (Pusan Natl. U.) ; Boldizsar, L (Budapest, RMKI) ; Volpe, G (INFN, Bari ; Bari U.) ; Lipusz, C (Budapest, RMKI) et al.
RHIC results have shown the importance of high momentum particles as hard probes and the need for particle identification (PID) in a very large momentum range. A Very High Momentum PID (VHMPID) detector has been proposed as upgrade of ALICE to extend the track-by-track identification capabilities for charged hadrons from the presents GeV/c limit to the momentum range 10-30 GeV/c. [...]
2011
- Published in : Nucl. Instrum. Methods Phys. Res., A 639 (2011) 274-277
In : 7th International Workshop on Ring Imaging Cherenkov Detectors, Cassis, Provence, France, 3 - 7 May 2010, pp.274-277
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VHMPID: a new detector for the ALICE experiment at LHC
/ ALICE Collaboration
This article presents the basic idea of VHMPID, an upgrade detector for the ALICE experiment at LHC, CERN. The main goal of this detector is to extend the particle identification capabilities of ALICE to give more insight into the evolution of the hot and dense matter created in Pb-Pb collisions. [...]
arXiv:1103.6014.-
2011 - 4 p.
- Published in : EPJ Web Conf.: 13 (2011) , pp. 03004
Fulltext: epjconf_hcbm2011_03004 - PDF; arXiv:1103.6014 - PDF; External link: Preprint
In : International Workshop on Hot and Cold Baryonic Matter, Budapest, Hungary, 15 - 20 Aug 2010, pp.03004
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Very high momentum particle identification at the LHC
/ ALICE VHMPID Collaborations
The anomalies observed at RHIC for the baryon — meson ratios have prompted a number of theoretical works on the nature of the hadrochemistry in the hadronisation stage of the pp collisions and in the evolution of the dense system formed in heavy ion collisions. Although the predictions differ in the theoretical approach, generally a substantial increase in the baryon production is predicted in the range 10–30 GeV/c. [...]
2010
- Published in : Indian J. Phys. 84 (2010) 1635-1639
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