Test beam results with prototypes for the new Cylindrical GEM Inner Tracker of the BESIII experiment

for the CGEM-IT group

doi:10.1393/ncc/i2018-18078-7

Test beam results with prototypes for the new Cylindrical GEM Inner Tracker of the BESIII experiment

for the CGEM-IT group

Risultato della ricerca: Contributo su rivista › Articolo in rivista › peer review

Abstract

A cylindrical GEM tracker is under construction in order to replace and improve the inner tracking system of the BESIII experiment. Tests with planar chamber prototypes were carried out on the H4 beam line of SPS (CERN) with muons of 150 GeV/c momentum, to evaluate the efficiency and resolution under different working conditions. The obtained efficiency was in the 96–98% range. Two complementary algorithms for the position determination were developed: the charge centroid and the μ-TPC methods. With the former, resolutions < 100 μm and < 200 μm were achieved without and with magnetic field, respectively. The μ-TPC improved these results. By the end of 2016, the first cylindrical prototype was tested on the same beam line. It showed optimal stability under different settings. The comparison of its performance with respect to the planar chambers is ongoing. Here, the results of the planar prototype tests will be addressed.

Lingua originale	Inglese
Numero di articolo	78
Rivista	Nuovo Cimento della Societa Italiana di Fisica C
Volume	41
Numero di pubblicazione	1-2
DOI	https://doi.org/10.1393/ncc/i2018-18078-7
Stato di pubblicazione	Pubblicato - 2018
Pubblicato esternamente	Sì

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10.1393/ncc/i2018-18078-7

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@article{6ad26d790ed14dfa9ab6a15661d7cf41,

title = "Test beam results with prototypes for the new Cylindrical GEM Inner Tracker of the BESIII experiment",

abstract = "A cylindrical GEM tracker is under construction in order to replace and improve the inner tracking system of the BESIII experiment. Tests with planar chamber prototypes were carried out on the H4 beam line of SPS (CERN) with muons of 150 GeV/c momentum, to evaluate the efficiency and resolution under different working conditions. The obtained efficiency was in the 96–98\% range. Two complementary algorithms for the position determination were developed: the charge centroid and the μ-TPC methods. With the former, resolutions < 100 μm and < 200 μm were achieved without and with magnetic field, respectively. The μ-TPC improved these results. By the end of 2016, the first cylindrical prototype was tested on the same beam line. It showed optimal stability under different settings. The comparison of its performance with respect to the planar chambers is ongoing. Here, the results of the planar prototype tests will be addressed.",

author = "\{for the CGEM-IT group\} and L. Lavezzi and M. Alexeev and A. Amoroso and \{Baldini Ferroli\}, R. and M. Bertani and D. Bettoni and F. Bianchi and A. Calcaterra and N. Canale and M. Capodiferro and V. Carassiti and S. Cerioni and Chai, \{J. Y.\} and S. Chiozzi and G. Cibinetto and F. Cossio and \{Cotta Ramusino\}, A. and \{De Mori\}, F. and M. Destefanis and J. Dong and F. Evangelisti and R. Farinelli and L. Fava and G. Felici and E. Fioravanti and I. Garzia and M. Gatta and M. Greco and Leng, \{C. Y.\} and H. Li and M. Maggiora and R. Malaguti and S. Marcello and M. Melchiorri and G. Mezzadri and M. Mignone and G. Morello and S. Pacetti and P. Patteri and J. Pellegrino and A. Pelosi and A. Rivetti and Rolo, \{M. D.\} and M. Savri{\'e} and M. Scodeggio and E. Soldani and S. Sosio and S. Spataro and E. Tskhadadze and S. Verma",

year = "2018",

doi = "10.1393/ncc/i2018-18078-7",

language = "English",

volume = "41",

journal = "Nuovo Cimento della Societa Italiana di Fisica C",

issn = "2037-4909",

publisher = "Editrice Compositori s.r.l.",

number = "1-2",

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T1 - Test beam results with prototypes for the new Cylindrical GEM Inner Tracker of the BESIII experiment

AU - for the CGEM-IT group

AU - Lavezzi, L.

AU - Alexeev, M.

AU - Amoroso, A.

AU - Baldini Ferroli, R.

AU - Bertani, M.

AU - Bettoni, D.

AU - Bianchi, F.

AU - Calcaterra, A.

AU - Canale, N.

AU - Capodiferro, M.

AU - Carassiti, V.

AU - Cerioni, S.

AU - Chai, J. Y.

AU - Chiozzi, S.

AU - Cibinetto, G.

AU - Cossio, F.

AU - Cotta Ramusino, A.

AU - De Mori, F.

AU - Destefanis, M.

AU - Dong, J.

AU - Evangelisti, F.

AU - Farinelli, R.

AU - Fava, L.

AU - Felici, G.

AU - Fioravanti, E.

AU - Garzia, I.

AU - Gatta, M.

AU - Greco, M.

AU - Leng, C. Y.

AU - Li, H.

AU - Maggiora, M.

AU - Malaguti, R.

AU - Marcello, S.

AU - Melchiorri, M.

AU - Mezzadri, G.

AU - Mignone, M.

AU - Morello, G.

AU - Pacetti, S.

AU - Patteri, P.

AU - Pellegrino, J.

AU - Pelosi, A.

AU - Rivetti, A.

AU - Rolo, M. D.

AU - Savrié, M.

AU - Scodeggio, M.

AU - Soldani, E.

AU - Sosio, S.

AU - Spataro, S.

AU - Tskhadadze, E.

AU - Verma, S.

PY - 2018

Y1 - 2018

N2 - A cylindrical GEM tracker is under construction in order to replace and improve the inner tracking system of the BESIII experiment. Tests with planar chamber prototypes were carried out on the H4 beam line of SPS (CERN) with muons of 150 GeV/c momentum, to evaluate the efficiency and resolution under different working conditions. The obtained efficiency was in the 96–98% range. Two complementary algorithms for the position determination were developed: the charge centroid and the μ-TPC methods. With the former, resolutions < 100 μm and < 200 μm were achieved without and with magnetic field, respectively. The μ-TPC improved these results. By the end of 2016, the first cylindrical prototype was tested on the same beam line. It showed optimal stability under different settings. The comparison of its performance with respect to the planar chambers is ongoing. Here, the results of the planar prototype tests will be addressed.

AB - A cylindrical GEM tracker is under construction in order to replace and improve the inner tracking system of the BESIII experiment. Tests with planar chamber prototypes were carried out on the H4 beam line of SPS (CERN) with muons of 150 GeV/c momentum, to evaluate the efficiency and resolution under different working conditions. The obtained efficiency was in the 96–98% range. Two complementary algorithms for the position determination were developed: the charge centroid and the μ-TPC methods. With the former, resolutions < 100 μm and < 200 μm were achieved without and with magnetic field, respectively. The μ-TPC improved these results. By the end of 2016, the first cylindrical prototype was tested on the same beam line. It showed optimal stability under different settings. The comparison of its performance with respect to the planar chambers is ongoing. Here, the results of the planar prototype tests will be addressed.

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U2 - 10.1393/ncc/i2018-18078-7

DO - 10.1393/ncc/i2018-18078-7

M3 - Article

SN - 2037-4909

VL - 41

JO - Nuovo Cimento della Societa Italiana di Fisica C

JF - Nuovo Cimento della Societa Italiana di Fisica C

IS - 1-2

M1 - 78

ER -

Test beam results with prototypes for the new Cylindrical GEM Inner Tracker of the BESIII experiment

Abstract

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