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Systematic measurement of beta-decay half-lives of short-lived isotopes

Abstract

We have measured the half-lives of short-lived isotopes for past decade and deduced the half-lives of 6 isotopes further. These results demonstrated that most of the literature values shorter than 10 min systematically deviated from our measurement ones. The cause seems to be that a large number of the previous half-life studies were performed with scintillation counters before 1970 and they had a difficulty in distinguishing the interest {gamma}-ray from the contamination and correcting for pile-up and dead-time losses. Moreover, the deviated data found to be quoted for evaluation. (author)
Authors:
Hirose, T; Yamamoto, H; Kawade, K; [1]  Iida, T; Takahashi, A; Kasugai, Y; Ikeda, Y
  1. Nagoya Univ. (Japan)
Publication Date:
Mar 01, 1997
Product Type:
Technical Report
Report Number:
JAERI-Conf-97-005; CONF-9611184-; INDC(JPN)-179/U
Reference Number:
SCA: 663210; PA: JPN-97:009118; EDB-97:147330; SN: 97001867022
Resource Relation:
Conference: 1996 symposium on nuclear data, Tokai (Japan), 21-22 Nov 1996; Other Information: PBD: Mar 1997; Related Information: Is Part Of Proceedings of the 1996 symposium on nuclear data; Iguchi, Tetsuo [Nagoya Univ. (Japan)]; Fukahori, Tokio [eds.]; PB: 332 p.
Subject:
66 PHYSICS; NEON 23; HALF-LIFE; SCANDIUM 50; VANADIUM 54; RUBIDIUM 84; GERMANIUM 75; SELENIUM 77; GAMMA SPECTRA; EXPERIMENTAL DATA
OSTI ID:
545196
Research Organizations:
Japan Atomic Energy Research Inst., Tokyo (Japan)
Country of Origin:
Japan
Language:
English
Other Identifying Numbers:
Other: ON: DE97758662; TRN: JP9709118
Availability:
OSTI as DE97758662
Submitting Site:
JPN
Size:
pp. 267-272
Announcement Date:
Jan 23, 2004

Citation Formats

Hirose, T, Yamamoto, H, Kawade, K, Iida, T, Takahashi, A, Kasugai, Y, and Ikeda, Y. Systematic measurement of beta-decay half-lives of short-lived isotopes. Japan: N. p., 1997. Web.
Hirose, T, Yamamoto, H, Kawade, K, Iida, T, Takahashi, A, Kasugai, Y, & Ikeda, Y. Systematic measurement of beta-decay half-lives of short-lived isotopes. Japan.
Hirose, T, Yamamoto, H, Kawade, K, Iida, T, Takahashi, A, Kasugai, Y, and Ikeda, Y. 1997. "Systematic measurement of beta-decay half-lives of short-lived isotopes." Japan.
@misc{etde_545196,
title = {Systematic measurement of beta-decay half-lives of short-lived isotopes}
author = {Hirose, T, Yamamoto, H, Kawade, K, Iida, T, Takahashi, A, Kasugai, Y, and Ikeda, Y}
abstractNote = {We have measured the half-lives of short-lived isotopes for past decade and deduced the half-lives of 6 isotopes further. These results demonstrated that most of the literature values shorter than 10 min systematically deviated from our measurement ones. The cause seems to be that a large number of the previous half-life studies were performed with scintillation counters before 1970 and they had a difficulty in distinguishing the interest {gamma}-ray from the contamination and correcting for pile-up and dead-time losses. Moreover, the deviated data found to be quoted for evaluation. (author)}
place = {Japan}
year = {1997}
month = {Mar}
}