DOUBLE BETA-DECAYS OF MO-100 AND CHARGE NONCONSERVING EXCITATIONS OF I-127

被引：31

作者：

EJIRI, H ^{[1
]}

FUSHIMI, K ^{[1
]}

KAWASAKI, M ^{[1
]}

KINOSHITA, H ^{[1
]}

OHSUMI, H ^{[1
]}

OKADA, K ^{[1
]}

SANO, H ^{[1
]}

SHIMA, T ^{[1
]}

TAKASUGI, E ^{[1
]}

TANAKA, J ^{[1
]}

WATANABE, T ^{[1
]}

机构：

[1] OSAKA UNIV,NUCL STUDIES LAB,TOYONAKA,OSAKA 560,JAPAN

来源：

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 1991年 / 17卷

关键词：

D O I：

10.1088/0954-3899/17/S/016

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

Double beta (beta-beta) decays of Mo-100 and charge nonconserving excitations of I-127 were studied by means of ELEGANTS V. A finite half-life of T1/2(2-nu) = 1.15(-0.20)+0.30 x 10(19)y (68 % CL) for the two neutrino beta-beta-decay of Mo-100 and the most stringent lower limit of T1/2(0-nu) > 4.7 x 10(21) y (68 % CL) on the half-life for the neutrino-less beta-beta-decay of Mo-100 were obtained. Lower limits on the mean life of the charge nonconserving (CNC) processes I-127 + e(K) --> I-127* + nu leading to the first excited states of I-127 were obtained as tau > 1.1 x 10(23)y by searching for the gamma-decay.

引用

页码：S155 / S164

页数：10

共 30 条

[1] A NEW DETECTOR SYSTEM FOR DOUBLE BETA-DECAYS [J].

ALSTONGARNJOST, M ;

DOUGHERTY, BL ;

KENNEY, RW ;

KRIVICICH, JM ;

SMITH, AR ;

TRIPP, RD ;

WALTON, JT .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1988, 271 (03) :475-482

[2] SEARCH FOR NEUTRINOLESS DOUBLE-BETA DECAY OF MO-100 [J].

ALSTONGARNJOST, M ;

DOUGHERTY, BL ;

KENNEY, RW ;

TRIPP, RD ;

KRIVICICH, JM ;

NICHOLSON, HW ;

SUTTON, CS ;

DIETERLE, BD ;

FOLTZ, SD ;

KANG, J ;

LEAVITT, CP ;

REEDER, RA ;

BAKER, JD ;

CAFFREY, AJ .

PHYSICAL REVIEW LETTERS, 1989, 63 (16) :1671-1673

[3]

BARABANOV IR, 1980, JETP LETT+, V32, P359

[4]

BARABANOV IR, 1980, JETP LETT+, V32, P384

[5] THE MILANO EXPERIMENT ON LEPTON NUMBER NONCONSERVATION IN DOUBLE BETA-DECAY OF GE-76 [J].

BELLOTTI, E ;

CREMONESI, O ;

FIORINI, E ;

LIGUORI, C ;

PULLIA, A ;

SVERZELLATI, PP ;

ZANOTTI, L .

NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA A-NUCLEI PARTICLES AND FIELDS, 1986, 95 (01) :1-46

[6]

Caldwell D. O., 1990, Nuclear Physics B, Proceedings Supplements, V13, P547, DOI 10.1016/0920-5632(90)90123-C

[7] LIMIT ON LEPTON NONCONSERVATION AND NEUTRINO MASS FROM DOUBLE BETA-DECAY [J].

CALDWELL, DO ;

EISBERG, RM ;

GRUMM, DM ;

HALE, DL ;

WITHERELL, MS ;

GOULDING, FS ;

LANDIS, DA ;

MADDEN, NW ;

MALONE, DF ;

PEHL, RH ;

SMITH, AR .

PHYSICAL REVIEW LETTERS, 1985, 54 (04) :281-284

[8] HALF-LIFE LIMITS ON THE ZERO-NEUTRINO AND 2-NEUTRINO DOUBLE-BETA DECAY OF GE-76 [J].

CALDWELL, DO ;

EISBERG, RM ;

GRUMM, DM ;

HALE, DL ;

WITHERELL, MS ;

GOULDING, FS ;

LANDIS, DA ;

MADDEN, NW ;

MALONE, DF ;

PEHL, RH ;

SMITH, AR .

PHYSICAL REVIEW D, 1986, 33 (09) :2737-2739

[9] LIMITS ON NEUTRINOLESS BETA-BETA-DECAY INCLUDING THAT WITH MAJORON EMISSION [J].

CALDWELL, DO ;

EISBERG, RM ;

GRUMM, DM ;

WITHERELL, MS ;

GOULDING, FS ;

SMITH, AR .

PHYSICAL REVIEW LETTERS, 1987, 59 (04) :419-422

[10] SUPPRESSION OF THE 2-NEUTRINO DOUBLE BETA-DECAY [J].

CIVITARESE, O ;

FAESSLER, A ;

TOMODA, T .

PHYSICS LETTERS B, 1987, 194 (01) :11-14

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