On-beam calibration of the ΔE(Si)-Sci/PD charged particle telescope

被引：11

作者：

Avdeichikov, V

Jakobsson, B

Nikitin, VA

Nomokonov, PV

van Veldhuizen, EJ

机构：

[1] Univ Lund, Dept Phys, S-22100 Lund, Sweden

[2] Joint Inst Nucl Res, Dubna 141980, Russia

[3] Univ Uppsala, Svedberg Lab, S-75121 Uppsala, Sweden

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2001年 / 466卷 / 03期

关键词：

inorganic scintillators; light ions; response function; calibration;

D O I：

10.1016/S0168-9002(01)00194-2

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The reaction products emitted in the N-14(45A Mev) + (CH2/CD2) interactions are identified by a DeltaE(Si)-E(Scintillator/Photodiode) telescope by the conventional DeltaE-E method. The position of "jumps" in the amplitude of the photodiode signal for ions passing through the scintillator (Sci) is used to calibrate on-beam both the DeltaE and the Sci/PD scales in MeV. The accuracy of an absolute energy calibration is better than 2.3% and 1.8% for CsI(TI) and GSO(Ce) detectors, respectively. It is defined mostly by the correctness of the range-energy relations of ions in the Si and Sci crystals. The light response function, L(E, Z, A), of isotopes up to Z(A) = 8(16) in the range of energy similar to (2.5-60)A Mev is extracted. The effects of doping concentration and pulse shaping on the light response are analyzed. The validity of the existing empirical light-energy relations is checked in a wide interval of ion energies and a new power law relation is proposed. Calculations of the response function based on the Murray-Mayer model are found to be in excellent agreement with experimental data for the CsI(TI) crystal. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

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页码：427 / 435

页数：9

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