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EnglishWe are developing a cylindrical GEM detector with analog readout to upgrade the Inner Tracker of the BESIII experiment at IHEP (Beijing). The new detector will match the requirements for momentum resolution (σpt /pt ∼ 0.5% at1 GeV) and radial resolution (σxy ∼ 100 μm) of the existing drift chamber and will improve significantly the spatial resolution along the beam direction (σz ∼ 150 μm) with very small material budget (about 1% of X 0). A beam test has been performed at CERN in order to measure the performance of a BESIII GEM prototype in a magnetic field up to 1 tesla. An overview of the project and the preliminary results of the test will be presented in the talk. The project has been recognised as a Significant Research Project within the Executive Programme for Scientific and Technological Cooperation between Italy and PRC for the years 2013-2015, and more recently has been selected as one of the project funded by the European Commission within the call H2020-MSCA-RISE-2014.
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| Data di pubblicazione: | 2016 | |
| Titolo: | A cylindrical GEM Inner Tracker for the BESIII experiment | |
| Autori: | Amoroso, A.; Baldini, R.; Bertani, M.; Bettoni, D.; Bianchi, F.; Calcaterra, A.; Carassiti, V.; Cerioni, S.; Chai, J.; Cibinetto, G.; Cotto, G.; De Mori, F.; Destefanis, M.; Dong, J.; Dong, M.; Farinelli, R.; Fava, L.; Felici, G.; Fioravanti, E.; Garzia, I.; Gatta, M.; Greco, M.; Hu, J.F.; Johansson, T.; Leng, C.; Li, H.; Liu, Z.; Maggiora, M.; Marcello, S.; Marciniewski, P.; Melchiorri, M.; Mezzadri, G.; Morello, G.; Ouyan, Q.; Pacetti, S.; Patteri, P.; Rivetti, A.; Rosner, C.; Savrié, M.; Sosio, S.; Spataro, S.; Tskhadadze, E.; Wang, K.; Wang, L.; Wu, L.; Ji, X.; Ye, M.; Zallo, A.; Zhang, Y.; Zotti, L. | |
| Rivista: | IL NUOVO CIMENTO DELLA SOCIETÀ ITALIANA DI FISICA. C, GEOPHYSICS AND SPACE PHYSICS | |
| Abstract in inglese: | We are developing a cylindrical GEM detector with analog readout to upgrade the Inner Tracker of the BESIII experiment at IHEP (Beijing). The new detector will match the requirements for momentum resolution (σpt /pt ∼ 0.5% at1 GeV) and radial resolution (σxy ∼ 100 μm) of the existing drift chamber and will improve significantly the spatial resolution along the beam direction (σz ∼ 150 μm) with very small material budget (about 1% of X 0). A beam test has been performed at CERN in order to measure the performance of a BESIII GEM prototype in a magnetic field up to 1 tesla. An overview of the project and the preliminary results of the test will be presented in the talk. The project has been recognised as a Significant Research Project within the Executive Programme for Scientific and Technological Cooperation between Italy and PRC for the years 2013-2015, and more recently has been selected as one of the project funded by the European Commission within the call H2020-MSCA-RISE-2014. | |
| Digital Object Identifier (DOI): | 10.1393/ncc/i2016-16261-6 | |
| Handle: | http://hdl.handle.net/11392/2365192 | |
| Appare nelle tipologie: | 03.1 Articolo su rivista |
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