Response of LaBr3(Ce) scintillators to 14 MeV fusion neutrons

被引：31
|
作者：
Cazzaniga, C. [1 ,2 ]
Nocente, M. [1 ,2 ]
Tardocchi, M. [2 ]
Rebai, M. [1 ]
Pillon, M. [3 ]
Camera, F. [4 ]
Giaz, A. [4 ]
Pellegri, L. [4 ]
Gorini, G. [1 ,2 ]
机构：
[1] Univ Milano Bicocca, Dept Phys, I-20125 Milan, Italy
[2] Associaz EURATOM ENEA CNR, Ist Fis Plasma, I-20125 Milan, Italy
[3] Associaz EURATOM ENEA Fus ENEA CR Frascati, I-00044 Rome, Italy
[4] Univ Milan, Dept Phys, I-20133 Milan, Italy
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2015年 / 778卷
关键词：
Scintillators; Gamma-ray spectroscopy; Fast neutrons; Burning plasma; GAMMA-RAY DIAGNOSTICS; ENERGETIC IONS; LABR3CE; DETECTORS; GENERATOR; PLASMAS;
D O I：
10.1016/j.nima.2015.01.002
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The response of a 3 '' x 3 '' LaBr3(Ce) scintillator to 14 MeV neutron irradiation has been measured at the Frascati Neutron Generator and simulated by means of a dedicated MCNP model. Several reactions are found to contribute to the measured response, with a key role played by neutron inelastic scattering and (n,2n) reactions on Br-79, Br-81 and La-139 isotopes. An overall 43% efficiency to 14 MeV neutron detection above an experimental threshold of 0.35 MeV is calculated and confirmed by measurements. Post irradiation activation of the crystal has been also observed and is explained in terms of nuclear decays from the short lived Br-78 and Br-80 isotopes produced in (n,2n) reactions. The results presented in this paper are of relevance for the design of gamma-ray detectors in burning plasma fusion experiments of the next generation, such as ITER, where capability to perform measurements in an intense 14 MeV neutron flux is required. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：20 / 25
页数：6
相关论文
共 50 条
  • [41] y-y fast timing with high-performance LaBr3(Ce) scintillators
    Regis, J. -M
    Fraile, L. M.
    Rudigier, M.
    PROGRESS IN PARTICLE AND NUCLEAR PHYSICS, 2025, 141
  • [42] Energy Response of LaBr3
    Erturk, S.
    Maj, A.
    Ciemala, M.
    Stezowski, O.
    Courtin, S.
    Strachan, J.
    Kumar, S.
    RUTHERFORD CENTENNIAL CONFERENCE ON NUCLEAR PHYSICS, 2011, 2012, 381
  • [43] Picosecond absorption spectroscopy of self-trapped excitons and transient Ce states in LaBr3 and LaBr3:Ce
    Li, Peiyun
    Gridin, Sergii
    Ucer, K. Burak
    Williams, Richard T.
    Menge, Peter R.
    PHYSICAL REVIEW B, 2018, 97 (14)
  • [44] Potential for RbGd2Br7:Ce, LaBr3:Ce, LaBr3:Ce, and LuI3:Ce in nuclear medical imaging
    Moses, WW
    Shah, KS
    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2005, 537 (1-2): : 317 - 320
  • [45] Gamma-ray induced radiation damage in LaBr3:5%Ce and LaCl3:10%Ce scintillators
    Drozdowski, W.
    Dorenbos, P.
    Bos, A. J. J.
    Kraft, S.
    Buis, E. J.
    Maddox, E.
    Owens, A.
    Quarati, F. G. A.
    Dathy, C.
    Ouspenski, V.
    IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 2007, 54 (04) : 1387 - 1391
  • [46] Neutron efficiency of LaBr3:Ce detector
    Ebran, A.
    Roig, O.
    Meot, V.
    Delaune, O.
    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2014, 768 : 124 - 129
  • [47] Gamma Radiation Hardness of ⊘1" x 1" LaBr3:Ce, LaCl3:Ce, and CeBr3 Scintillators
    Drozdowski, Winicjusz
    Dorenbos, Pieter
    Bos, Adrie J. J.
    Owens, Alan
    Richaud, Dominique
    2008 IEEE NUCLEAR SCIENCE SYMPOSIUM AND MEDICAL IMAGING CONFERENCE (2008 NSS/MIC), VOLS 1-9, 2009, : 2131 - +
  • [48] First principle quantum description of the energetics associated with LaBr3, LaCl3, and Ce doped scintillators
    McIlwain, Michael E.
    Gao, Da
    Thompson, Nick
    2007 IEEE NUCLEAR SCIENCE SYMPOSIUM CONFERENCE RECORD, VOLS 1-11, 2007, : 2460 - +
  • [49] Effects of Ce concentration on scintillation properties of LaBr3:Ce
    Glodo, J
    Moses, WW
    Higgins, WM
    van Loef, EVD
    Wong, P
    Derenzo, SE
    Weber, MJ
    Shah, KS
    IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 2005, 52 (05) : 1805 - 1808
  • [50] Effects of Ce concentration on scintillation properties of LaBr3:Ce
    Glodo, J
    Moses, WW
    Higgins, WM
    van Loef, EVD
    Wong, P
    Derenzo, SE
    Weber, MJ
    Shah, KS
    2004 IEEE NUCLEAR SCIENCE SYMPOSIUM CONFERENCE RECORD, VOLS 1-7, 2004, : 998 - 1001
12345