A method to optimize mass discrimination of particles identified in Delta E-E silicon surface barrier detector systems

Author(s)

Scarduelli, V. ^{[1, 2]} ; Gasques, L. R. ^[2] ; Chamon, L. C. ^[2] ; Lepine-Szily, A. ^[2]

Affiliation

^[1] Univ Fed Fluminense, Inst Fis, BR-24210340 Niteroi, RJ - Brazil

^[2] Univ Sao Paulo, Inst Fis, Rua Matao 1371, BR-05508090 Sao Paulo, SP - Brazil

• Document type: Journal article
• Source: EUROPEAN PHYSICAL JOURNAL A; v. 56, n. 1 JAN 28 2020.
• Web of Science Citations: 1

Abstract

In several experiments, a system composed by two surface barrier detectors, one thin and one thicker, is used to identify the charge of a nucleus that is detected in this system. The nucleus loses part of its energy (Delta E) in the thin detector and the remaining part (E) is left in the thick one. Since the energy loss depends on the charge, this process allows the identification of the nuclear charge. The energy loss also depends on the mass of the particle, but with a lower degree of sensitivity. Therefore, the identification of the nuclear mass is much more difficult. In this paper, we present a method to treat the data in order to optimize the mass discrimination of particles detected in Delta E-E systems. (AU)

• FAPESP's process: 18/09998-8 - Towards a modern array of particle detectors: a versatile tool for nuclear reaction studies
• Grantee: Leandro Romero Gasques
• Support type: Regular Research Grants