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Measurement of the fractional radiation length of a pixel module for the CMS Phase-2 upgrade via the multiple scattering of positrons

Articolo
Data di Pubblicazione:
2024
Citazione:
(2024). Measurement of the fractional radiation length of a pixel module for the CMS Phase-2 upgrade via the multiple scattering of positrons [journal article - articolo]. In JOURNAL OF INSTRUMENTATION. Retrieved from https://hdl.handle.net/10446/288449
Abstract:
High-luminosity particle collider experiments such as the ones planned at the High-Luminosity Large Hadron Collider require ever-greater vertexing precision of the tracking detectors, necessitating reductions in the material budget of the detectors. Traditionally, the fractional radiation length (x/X0) of detectors is either estimated using known properties of the constituent materials, or measured in dedicated runs of the final detector. In this paper, we present a method of direct measurement of the material budget of a CMS prototype module designed for the Phase-2 upgrade of the CMS detector using a 40–65 MeV positron beam. A total of 630 million events were collected at the Paul Scherrer Institut PiE1 experimental area using a three-plane telescope consisting of the prototype module as the central plane, surrounded by two MALTA monolithic pixel detectors. Fractional radiation lengths were extracted from scattering angle distributions using the Highland approximation for multiple scattering. A statistical technique recovered runs suffering from trigger desynchronisation, and several corrections were introduced to compensate for local inefficiencies related to geometric and beam shape constraints. Two regions of the module were surveyed and yielded average x/X0 values of (0.72 ± 0.05)% and (0.95 ± 0.09)%, which are compatible with empirical estimates for these regions computed from known material properties of 0.753% and 0.892%, respectively. Two types of higher-granularity maps of the fractional radiation length were produced, subdivided either into rectangular regions of uniform size, or polygonal-shaped regions of uniform material composition. The results bode well for the CMS Phase-2 upgrade modules, which will play a key role in the minimisation of the material of the upgraded detector.
Tipologia CRIS:
1.1.01 Articoli/Saggi in rivista - Journal Articles/Essays
Elenco autori:
Adam, W.; Bergauer, T.; Damanakis, K.; Dragicevic, M.; Frühwirth, R.; Steininger, H.; Beaumont, W.; Darwish, M. R.; Janssen, T.; Van Mechelen, P.; Breugelmans, N.; Delcourt, M.; De Moor, A.; D'Hondt, J.; Heyen, F.; Lowette, S.; Makarenko, I.; Muller, D.; Tytgat, M.; Vannerom, D.; Van Putte, S.; Allard, Y.; Clerbaux, B.; Caviglia, F.; Dansana, S.; Das, A.; De Lentdecker, G.; Evard, H.; Favart, L.; Khalilzadeh, A.; Lee, K.; Malara, A.; Robert, F.; Thomas, L.; Vanden Bemden, M.; Vanlaer, P.; Yang, Y.; Benecke, A.; Bethani, A.; Bruno, G.; Caputo, C.; De Favereau, J.; Delaere, C.; Donertas, I. S.; Giammanco, A.; Jain, S.; Lemaitre, V.; Lidrych, J.; Mondal, K.; Szilasi, N.; Tran, T. T.; Wertz, S.; Brigljević, V.; Chitroda, B.; Ferenček, D.; Jakovcic, K.; Mishra, S.; Starodumov, A.; Šuša, T.; Brücken, E.; Lampén, T.; Tuominen, E.; Karadzhinova-Ferrer, A.; Luukka, P.; Petrow, H.; Tuuva, T.; Agram, J. -L.; Andrea, J.; Bloch, D.; Bonnin, C.; Brom, J. -M.; Chabert, E.; Collard, C.; Dangelser, E.; Falke, S.; Goerlach, U.; Gross, L.; Haas, C.; Krauth, M.; Ollivier-Henry, N.; Saha, G.; Vaucelle, P.; Baulieu, G.; Bonnevaux, A.; Boudoul, G.; Caponetto, L.; Chanon, N.; Contardo, D.; Dupasquier, T.; Galbit, G.; Greenberg, C.; Marchisone, M.; Mirabito, L.; Nodari, Benedetta; Purohit, A.; Schibler, E.; Schirra, F.; Vander Donckt, M.; Viret, S.; Adamowicz, K.; Botta, V.; Ebisch, C.; Feld, L.; Karpinski, W.; Klein, K.; Lipinski, M.; Louis, D.; Meuser, D.; Oppenländer, V.; Özen, I.; Pauls, A.; Röwert, N.; Teroerde, M.; Wlochal, M.; Beckers, M.; Dziwok, C.; Fluegge, G.; Höflich, N.; Pooth, O.; Stahl, A.; Wyszkowska, W.; Ziemons, T.; Agah, A.; Baxter, S.; Bhattacharya, S.; Blekman, F.; Campbell, A.; Cardini, A.; Cheng, C.; Consuegra Rodriguez, S.; Eckerlin, G.; Eckstein, D.; Gallo, E.; Guthoff, M.; Kleinwort, C.; Mankel, R.; Maser, H.; Mussgiller, A.; Nürnberg, A.; Petersen, H.; Rastorguev, D.; Reichelt, O.; Rostamvand, L.; Schütze, P.; Sreelatha Pramod, L.; Stever, R.; Valieiev, T.; Velyka, A.; Ventura Barroso, A.; Walsh, R.; Yakopov, G.; Zakharov, S.; Zuber, A.; Albrecht, A.; Antonello, M.; Biskop, H.; Connor, P.; Garutti, E.; Haller, J.; Jabusch, H.; Kasieczka, G.; Klanner, R.; Kuo, C. C.; Kutzner, V.; Lange, J.; Martens, S.; Mrowietz, M.; Nissan, Y.; Pena, K.; Raciti, B.; Schaarschmidt, J.; Schleper, P.; Schwandt, J.; Steinbrück, G.; Tews, A.; Wellhausen, J.; Ardila, L.; Balzer, M.; Barvich, T.; Berger, B.; Butz, E.; Caselle, M.; Dierlamm, A.; Elicabuk, U.; Fuchs, M.; Hartmann, F.; Husemann, U.; Koppenhöfer, R.; Maier, S.; Mallows, S.; Mehner, T.; Muller, T.; Neufeld, M.; Regnery, B.; Rehm, W.; Shvetsov, I.; Simonis, H. J.; Steck, P.; Stockmeier, L.; Topko, B.; Wittig, F.; Anagnostou, G.; Daskalakis, G.; Kazas, I.; Kyriakis, A.; Loukas, D.; Balázs, T.; Márton, K.; Siklér, F.; Veszprémi, V.; Bahinipati, S.; Das, A.; Dey, T.; Mal, P.; Nayak, A.; Pal, K.; Pattanaik, D. K.; Pradhan, S.; Swain, S. K.; Bhardwaj, A.; Jain, C.; Kumar, A.; Kumar, T.; Ranjan, K.; Saumya, S.; Tiwari, K.; Baradia, S.; Dutta, S.; Sarkar, S.; Behera, P. K.; Behera, S. C.; Chatterjee, S.; Dash, G.; Jana, P.; Kalbhor, P.; Libby, J.; Mohammad, M.; Pradhan, R.; Pujahari, P. R.; Saha, N. R.; Samadhan, K.; Sikdar, A. K.; Singh, R.; Verma, S.; Vijay, A.; Cariola, P.; Creanza, D.; de Palma, M.; De Robertis, G.; Di Florio, A.; Fiore, L.; Loddo, F.; Margjeka, I.; Mastrapasqua, V.; Mongelli, M.; My, S.; Silvestris, L.; Albergo, S.; Costa, S.; Lapertosa, A.; Di Mattia, A.; Potenza, R.; Tricomi, A.; Tuve, C.; Assiouras, P.; Barbagli, G.; Bardelli, G.; Brianzi, M.; Camaiani, B.; Cassese, A.; Ceccarelli, R.; Ciaranfi, R.; Ciulli, V.; Civinini, C.; D'Alessandro, R.; Focardi, E.; Kello, T.; Latino, G.; Lenzi, P.; Lizzo, M.; Meschini, M.; Paoletti, S.; Papanastassiou, A.; Sguazzoni, G.; Viliani, L.; Cerchi, S.; Ferro, F.; Robutti, E.; Brivio, F.; Dinardo, M. E.; Dini, P.; Gennai, S.; Guzzi, L.; Malvezzi, S.; Menasce, D.; Moroni, L.; Pedrini, D.;
Autori di Ateneo:
GAIONI Luigi
MANGHISONI Massimo
RE Valerio
RICEPUTI Elisa
TRAVERSI Gianluca
Link alla scheda completa:
https://aisberg.unibg.it/handle/10446/288449
Link al Full Text:
https://aisberg.unibg.it/retrieve/handle/10446/288449/745840/Adam_2024_J._Inst._19_P10023-2-41_compressed.pdf
Pubblicato in:
JOURNAL OF INSTRUMENTATION
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