CERN Accelerating science

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1.
Numerical Study of Electrostatic Field Distortion on LPTPC End-Plates based on Bulk Micromegas Modules / Bhattacharya, Purba (NISER, Jatni) ; Bhattacharya, Deb Sankar (Saha Inst. ; IRFU, Saclay) ; Mukhopadhyay, Supratik (Saha Inst.) ; Majumdar, Nayana (Saha Inst.) ; Bhattacharya, Sudeb (Saha Inst.) ; Colas, Paul (IRFU, Saclay) ; Attié, David (IRFU, Saclay)
The R&D; activities for the linear collider TPC (LC-TPC) are currently working on the adoption of the micro pattern devices for the gaseous amplification stage. Several beam tests have been carried out at DESY with a 5 GeV electron beam in a 1 T superconducting magnet. [...]
2018 - 4 p. - Published in : EPJ Web Conf. 174 (2018) 06007 Fulltext: PDF;
In : 4th International Conference on Micro Pattern Gaseous Detectors - MPGD2015, Trieste, Italy, 12 - 15 Oct 2015, pp.06007
2.
Experimental and numerical simulation of a TPC like set up for the measurement of ion backflow / Sankar Bhattacharya, Deb (Saha Inst. ; IRFU, SPhN, Saclay ; Jadavpur U.) ; Bhattacharya, Purba (Weizmann Inst.) ; Rout, Prasant Kumar (Saha Inst. ; Weizmann Inst.) ; Mukhopadhyay, Supratik (Saha Inst.) ; Bhattacharya, Sudeb (Saha Inst.) ; Majumdar, Nayana (Saha Inst.) ; Sarkar, Sandip (Saha Inst.) ; Colas, Paul (IRFU, SPhN, Saclay) ; Attie, David (IRFU, SPhN, Saclay) ; Ganjour, Serguei (IRFU, SPhN, Saclay) et al.
Ion backflow is one of the effects limiting the operation of a gaseous detector at high flux, by giving rise to space charge which perturbs the electric field. [...]
arXiv:1710.00624.
- 2017. - 11 p.
Full text
3.
Numerical studies on transport properties of gas mixtures for triple GEM detectors in CMS experiment / Rout, Prasant Kumar (Saha Inst.) ; Bhattacharya, Deb Sankar (Saha Inst. ; CEA, DSM, Saclay ; IRFU, SPP, Saclay) ; Bhattacharya, Purba (Weizmann Inst.) ; Sahasransu, A R (IISER, Kolkata) ; Mukhopadhyay, Supratik (Saha Inst.) ; Majumdar, Nayana (Saha Inst.)
2016 - 2 p. - Published in : DAE Symp. Nucl. Phys.: 61 (2016) , pp. 1092-1093 Fulltext: PDF;
4.

ALICE-PICT-TPC-2003-004
© 2003-2022 CERN
Construction of the ALICE Time Projection Chamber (TPC) End-Plate
Construction of the ALICE TPC End-Plate
01 Jan 2003
5.

ALICE-PICT-TPC-2003-005
© 2003-2022 CERN
Construction of the ALICE Time Projection Chamber (TPC) End-Plate
Construction of the ALICE TPC End-Plate
01 Jan 2003
6.
Performance Studies of Bulk Micromegas of Different Design Parameters / Bhattacharya, P. (Saha Inst.) ; Bhattacharya, Sudeb (Saha Inst.) ; Majumdar, Nayana (Saha Inst.) ; Mukhopadhyay, Supratik (Saha Inst.) ; Sarkar, Sandip (Saha Inst.) ; Colas, Paul (CEA, DSM, Saclay) ; Attie, David (CEA, DSM, Saclay)
The present work involves the comparison of various bulk Micromegas detectors having different design parameters. Six detectors with amplification gaps of 64, 128, 192, 220 μm and mesh hole pitch of 63, 78 μm were tested at room temperature and normal gas pressure. [...]
arXiv:1605.02921.- 2016 - 12 p. - Published in : JINST 9 (2014) C04037 Fulltext: PDF; External link: Preprint
7.

ALICE-PICT-TPC-2003-006
© 2003-2022 CERN
ALICE Time Projection Chamber (TPC) End-Plate final machining
ALICE Time Projection Chamber (TPC) End-Plate
01 Jan 2003
8.
A time projection chamber with GEM-based readout / LCTPC Collaboration
For the International Large Detector concept at the planned International Linear Collider, the use of time projection chambers (TPC) with micro-pattern gas detector readout as the main tracking detector is investigated. In this paper, results from a prototype TPC, placed in a 1T solenoidal field and read out with three independent Gas Electron Multiplier (GEM) based readout modules, are reported. [...]
arXiv:1604.00935; DESY-16-059.- 2017-06-01 - 10 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 856 (2017) 109-118 Fulltext: PDF;
9.
AFTER, the front end ASIC of the T2K Time Projection Chambers / Baron, P (DSM, IRFU, Saclay) ; Beucher, J (DSM, IRFU, Saclay) ; Calvet, D (DSM, IRFU, Saclay) ; de la Broise, X (DSM, IRFU, Saclay) ; Delagnes, E (DSM, IRFU, Saclay) ; Delbart, A (DSM, IRFU, Saclay) ; Druillole, F (DSM, IRFU, Saclay) ; Le Coguie, A (DSM, IRFU, Saclay) ; Mazzucato, E (DSM, IRFU, Saclay) ; Monmarthe, E (DSM, IRFU, Saclay) et al.
The T2K (Tokai-to-Kamioka) experiment is a long baseline neutrino oscillation experiment in Japan. A near detector, located at 280m of the production target, is used to characterize the beam. [...]
CERN, 2009 Published version from CERN: PDF;
In : Topical Workshop on Electronics for Particle Physics, Paris, France, 21 - 25 Sep 2009, pp.596-600 (CERN-2009-006)
10.
A Comparative Numerical Study on GEM, MHSP and MSGC / Bhattacharya, Purba (Saha Inst.) ; Mukhopadhyay, Supratik (Saha Inst.) ; Majumdar, Nayana (Saha Inst.) ; Bhattacharya, Sudeb (Saha Inst.)
In this work, we have tried to develop a detailed understanding of the physical processes occurring in those variants of Micro Pattern Gas Detectors (MPGDs) that share micro hole and micro strip geometry, like GEM, MHSP and MSGC etc. Some of the important and fundamental characteristics of these detectors such as gain, transparency, efficiency and their operational dependence on different device parameters have been estimated following detailed numerical simulation of the detector dynamics. [...]
arXiv:1204.5916.- 2012 - 14 p. - Published in : JINST 7 (2012) P09007 Fulltext: PDF; External link: Preprint

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