CMOS active pixel sensors response to low energy light ions

被引：6

作者：

Spiriti, E. ^{[1
,2
]}

Finck, Ch. ^{[3
]}

Baudot, J. ^{[3
]}

Divay, C. ^{[4
]}

Juliani, D. ^{[3
]}

Labalme, M. ^{[4
]}

Rousseau, M. ^{[3
]}

Salvador, S. ^{[4
]}

Vanstalle, M. ^{[3
]}

Agodi, C. ^{[5
]}

Cuttone, G. ^{[5
]}

De Napoli, M. ^{[5
]}

Romano, F. ^{[5
,6
]}

机构：

[1] Ist Nazl Fis Nucl, Lab Nazl Frascati, Rome, Italy

[2] Ist Nazl Fis Nucl, Sez Roma 3, Rome, Italy

[3] Univ Strasbourg, CNRS, IPHC, UMR 7871, F-67000 Strasbourg, France

[4] Univ Caen, CNRS, ENSICAEN, LPC Caen,IN2P3, Caen, France

[5] Ist Nazl Fis Nucl, Lab Nazl Sud, Rome, Italy

[6] Ctr & Ric & Museo Stor Fis Enrico Fermi, Rome, Italy

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2017年 / 875卷

关键词：

CMOS active pixel sensors; Energy loss; Atomic charge selection; VERTEX DETECTOR; THERAPY; MAPS;

D O I：

10.1016/j.nima.2017.08.058

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Recently CMOS active pixel sensors have been used in Hadrontherapy ions fragmentation cross section measurements. Their main goal is to reconstruct tracks generated by the non interacting primary ions or by the produced fragments. In this framework the sensors, unexpectedly, demonstrated the possibility to obtain also some informations that could contribute to the ion type identification. The present analysis shows a clear dependency in charge and number of pixels per cluster (pixels with a collected amount of charge above a given threshold) with both fragment atomic number Z and energy loss in the sensor. This information, in the FIRST (Fragmentation of Ions Relevant for Space and Therapy) experiment, has been used in the overall particle identification analysis algorithm. The aim of this paper is to present the data analysis and the obtained results. An empirical model was developed, in this paper, that reproduce the cluster size as function of the deposited energy in the sensor. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：35 / 40

页数：6

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