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Performance of the reconstruction algorithms of the FIRST experiment pixel sensors vertex detector

Rescigno, Regina and Finck, Christian and Juliani, Didier and Spiriti, E. and Baudot, Jerome and Abou Haïdar, Ziad and Agodi, Clementina and Álvarez, Marcos Aurelio G. and Aumann, Thomas and Battistoni, Giuseppe and Bocci, Alessio and Böhlen, Till Tobias and Boudard, Alain and Brunetti, Antonio and Carpinelli, Massimo and Cirrone, Giuseppe Antonio Pablo and Cortes Giraldo, Miguel Antonio and Cuttone, Giacomo and De Napoli, M. and Durante, Marco and Gallardo, Maribel I. and Golosio, Bruno and Iarocci, Enzo and Iazzi, F. and Ickert, G. and Introzzi, Riccardo and Krimmer, J. and Kurz, N. and Labalme, Marc and Leifels , Yvonne and Le Fevre, Arnaud and Leray, Sylvie and Marchetto, Flavio Pietro and Monaco, Vincenzo and Morone, Maria Cristina and Oliva, Piernicola and Paoloni, Alessandro and Patera, Vincenzo and Piersanti, Luca and Pleskac, Radek and Quesada Molina, José Manuel and Randazzo, Nunzio and Romano, Francesco and Rossi, Dominic and Rousseau, Marc and Sacchi, Roberto and Sala, Paola and Sarti, A. and Scheidenberger, C. and Schuy, C. and Sciubba, Adalberto and Sfienti, Concettina and Simon, Herbert A. and Sipala, Valeria and Tropea, Stefania and Vanstalle, Marie and Younis, H. (2014) Performance of the reconstruction algorithms of the FIRST experiment pixel sensors vertex detector. Nuclear Instruments and Methods in Physics Research A, Vol. 767 , p. 34-40. ISSN 1872-9576. eISSN 0168-9002. Article.

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DOI: 10.1016/j.nima.2014.08.024

Abstract

Hadrontherapy treatments use charged particles (e.g. protons and carbon ions) to treat tumors. During a therapeutic treatment with carbon ions, the beam undergoes nuclear fragmentation processes giving rise to significant yields of secondary charged particles. An accurate prediction of these production rates is necessary to estimate precisely the dose deposited into the tumours and the surrounding healthy tissues. Nowadays, a limited set of double differential carbon fragmentation cross-section is available. Experimental data are necessary to benchmark Monte Carlo simulations for their use in hadrontherapy. The purpose of the FIRST experiment is to study nuclear fragmentation processes of ions with kinetic energy in the range from 100 to 1000 MeV/u. Tracks are reconstructed using information from a pixel silicon detector based on the CMOS technology. The performances achieved using this device for hadrontherapy purpose are discussed. For each reconstruction step (clustering, tracking and vertexing), different methods are implemented. The algorithm performances and the accuracy on reconstructed observables are evaluated on the basis of simulated and experimental data.

Item Type:Article
ID Code:10661
Status:Published
Refereed:Yes
Uncontrolled Keywords:CMOS active pixel sensors, vertex detector, clustering, tracking, vertexing
Subjects:Area 02 - Scienze fisiche > FIS/07 Fisica applicata (a beni culturali, ambientali, biologia e medicina)
Divisions:001 Università di Sassari > 01-a Nuovi Dipartimenti dal 2012 > Scienze Politiche, Scienze della Comunicazione e Ingegneria dell'Informazione
001 Università di Sassari > 01-a Nuovi Dipartimenti dal 2012 > Chimica e Farmacia
Publisher:Elsevier
ISSN:1872-9576
eISSN:0168-9002
Deposited On:21 Jan 2015 13:54

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