Design and characterization of an SRAM-based neutron detector for particle therapy

被引：8

作者：

Ytre-Hauge, Kristian S. ^{[1
]}

Velure, Arild ^{[1
]}

Larsen, Eivind E. ^{[1
]}

Stokkevag, Camilla H. ^{[2
]}

Rohrich, Dieter ^{[1
]}

Brekke, Njad ^{[2
]}

Odland, Odd Harald ^{[2
]}

机构：

[1] Univ Bergen, Dept Phys & Technol, N-5007 Bergen, Norway

[2] Haukeland Hosp, Dept Med Phys & Oncol, N-5021 Bergen, Norway

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2015年 / 804卷

关键词：

Neutron detection; Neutron dose; Proton therapy; Particle therapy; INDUCED SOFT ERRORS; MONOENERGETIC NEUTRON; INDUCED SEU; RADIOTHERAPY; EQUIVALENT; FLUENCE;

D O I：

10.1016/j.nima.2015.09.049

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A neutron detector based on registration of radiation effects in Static Random Access Memories (SRAMs) has been developed at the University of Bergen for applications in particle therapy. Nine different SRAMs were tested and a 16 Mibit SRAM from Cypress was chosen for the final detector. The SRAMs were irradiated in beam lines at PTB Braunschweig, the Oslo Cyclotron Laboratory, The Svedberg Laboratory, The Institute for Energy Technology (IFE, Kjeller) and the CERN-EU high-energy reference field. The results from the measurements demonstrate the feasibility of using the selected SRAMs for neutron detection. The results indicate low or no sensitivity to thermal neutrons while the cross section for fast neutrons increases with neutron energy before reaching a more stable level at energies of several tenths of MeV. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：64 / 71

页数：8

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