Geant4 Simulation of the New ALC μSR Spectrometer

被引：5

作者：

Sedlak, K. ^{[1
]}

Shiroka, T. ^{[1
,2
]}

Stoykov, A. ^{[1
]}

Scheuermann, R. ^{[1
]}

机构：

[1] Paul Scherrer Inst, CH-5232 Villigen, Switzerland

[2] ETH Honggerberg, Lab Festkorperphys, CH-8093 Zurich, Switzerland

来源：

IEEE TRANSACTIONS ON NUCLEAR SCIENCE | 2010年 / 57卷 / 04期

关键词：

mu SR; avalanche photodiode; avoided level crossing; Geant4; muon spin spectroscopy; simulation; PHYSICS; DETECTOR; SYSTEM;

D O I：

10.1109/TNS.2010.2052066

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Monte Carlo simulation programs based on the Geant4 package have become indispensable tools in modern particle physics. Following the advances in muon-spin rotation (mu SR) instrumentation we have written a simulation code, MUSRSIM, currently in use in the development and optimisation of contemporary mu SR spectrometers. MUSRSIM was employed for optimising the design of a new type of avoided level crossing (ALC) instrument, which is characterised by the exclusive use of Geiger-mode avalanche photodiodes instead of the standard photomultiplier tubes. The simulation code allowed us to study in detail the influence of the detector geometry, of the initial muon beam properties, and (to a limited extent) of the electronic signal processing on the predicted spectra. The good agreement between the simulation results and the measured data, validates MUSRSIM as a reliable software tool also for future instrument development work.

引用

页码：2187 / 2195

页数：9

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