Pulse shape discrimination study with Tl                         2                         ZrCl                         6                          crystal scintillator

Phan Quoc Vuong; Hong Joo Kim; Hwanbae Park; Gul Rooh; Sung Hwan Kim

doi:10.1016/j.radmeas.2019.02.007

Pulse shape discrimination study with Tl ₂ ZrCl ₆ crystal scintillator

Phan Quoc Vuong, Hong Joo Kim, Hwanbae Park, Gul Rooh, Sung Hwan Kim

Research output: Contribution to journal › Article › peer-review

27 Scopus citations

Abstract

Tl ₂ ZrCl ₆ (TZC) crystal is an efficient scintillator for high energy γ-ray detection due to its high effective atomic number, high light yield and good energy resolution. This crystal with the dimension of diameter 10 mm and length 50 mm is grown from the melt by using vertical Bridgman technique. In this communication, we report on its pulse shape discrimination (PSD) capability for the signals induced by α-particles and γ-rays from ²⁴¹ Am and ¹³⁷ Cs sources, respectively. Three PSD methods including mean time, charge integration and optimum filter method have been employed and the results have been compared. The best figure-of-merits (FOM) is obtained to be 3.5 for optimum filter method. We expect that this scintillator will be a promising candidate for the fast neutron spectroscopy due to the high concentration of Cl. The energy resolution, decay time, quenching factor and pulse-height characteristics have been also measured for α- and γ-sources at room temperature.

Original language	English
Pages (from-to)	83-87
Number of pages	5
Journal	Radiation Measurements
Volume	123
DOIs	https://doi.org/10.1016/j.radmeas.2019.02.007
State	Published - Apr 2019

Keywords

Energy resolution
Figure-of-merit
Pulse shape discrimination
Quenching factor
Tl ZrCl crystal

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10.1016/j.radmeas.2019.02.007

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title = " Pulse shape discrimination study with Tl 2 ZrCl 6 crystal scintillator ",

abstract = " Tl 2 ZrCl 6 (TZC) crystal is an efficient scintillator for high energy γ-ray detection due to its high effective atomic number, high light yield and good energy resolution. This crystal with the dimension of diameter 10 mm and length 50 mm is grown from the melt by using vertical Bridgman technique. In this communication, we report on its pulse shape discrimination (PSD) capability for the signals induced by α-particles and γ-rays from 241 Am and 137 Cs sources, respectively. Three PSD methods including mean time, charge integration and optimum filter method have been employed and the results have been compared. The best figure-of-merits (FOM) is obtained to be 3.5 for optimum filter method. We expect that this scintillator will be a promising candidate for the fast neutron spectroscopy due to the high concentration of Cl. The energy resolution, decay time, quenching factor and pulse-height characteristics have been also measured for α- and γ-sources at room temperature.",

keywords = "Energy resolution, Figure-of-merit, Pulse shape discrimination, Quenching factor, Tl ZrCl crystal",

author = "Vuong, {Phan Quoc} and Kim, {Hong Joo} and Hwanbae Park and Gul Rooh and Kim, {Sung Hwan}",

note = "Publisher Copyright: {\textcopyright} 2019 Elsevier Ltd",

year = "2019",

month = apr,

doi = "10.1016/j.radmeas.2019.02.007",

language = "English",

volume = "123",

pages = "83--87",

journal = "Radiation Measurements",

issn = "1350-4487",

publisher = "Elsevier Ltd.",

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Pulse shape discrimination study with Tl ₂ ZrCl ₆ crystal scintillator . / Vuong, Phan Quoc; Kim, Hong Joo ; Park, Hwanbae et al.
In: Radiation Measurements, Vol. 123, 04.2019, p. 83-87.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Pulse shape discrimination study with Tl 2 ZrCl 6 crystal scintillator

AU - Vuong, Phan Quoc

AU - Kim, Hong Joo

AU - Park, Hwanbae

AU - Rooh, Gul

AU - Kim, Sung Hwan

PY - 2019/4

Y1 - 2019/4

N2 - Tl 2 ZrCl 6 (TZC) crystal is an efficient scintillator for high energy γ-ray detection due to its high effective atomic number, high light yield and good energy resolution. This crystal with the dimension of diameter 10 mm and length 50 mm is grown from the melt by using vertical Bridgman technique. In this communication, we report on its pulse shape discrimination (PSD) capability for the signals induced by α-particles and γ-rays from 241 Am and 137 Cs sources, respectively. Three PSD methods including mean time, charge integration and optimum filter method have been employed and the results have been compared. The best figure-of-merits (FOM) is obtained to be 3.5 for optimum filter method. We expect that this scintillator will be a promising candidate for the fast neutron spectroscopy due to the high concentration of Cl. The energy resolution, decay time, quenching factor and pulse-height characteristics have been also measured for α- and γ-sources at room temperature.

AB - Tl 2 ZrCl 6 (TZC) crystal is an efficient scintillator for high energy γ-ray detection due to its high effective atomic number, high light yield and good energy resolution. This crystal with the dimension of diameter 10 mm and length 50 mm is grown from the melt by using vertical Bridgman technique. In this communication, we report on its pulse shape discrimination (PSD) capability for the signals induced by α-particles and γ-rays from 241 Am and 137 Cs sources, respectively. Three PSD methods including mean time, charge integration and optimum filter method have been employed and the results have been compared. The best figure-of-merits (FOM) is obtained to be 3.5 for optimum filter method. We expect that this scintillator will be a promising candidate for the fast neutron spectroscopy due to the high concentration of Cl. The energy resolution, decay time, quenching factor and pulse-height characteristics have been also measured for α- and γ-sources at room temperature.

KW - Energy resolution

KW - Figure-of-merit

KW - Pulse shape discrimination

KW - Quenching factor

KW - Tl ZrCl crystal

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U2 - 10.1016/j.radmeas.2019.02.007

DO - 10.1016/j.radmeas.2019.02.007

M3 - Article

AN - SCOPUS:85062654290

SN - 1350-4487

VL - 123

SP - 83

EP - 87

JO - Radiation Measurements

JF - Radiation Measurements

ER -

Pulse shape discrimination study with Tl ₂ ZrCl ₆ crystal scintillator

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Keywords

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