THICK-TARGET YIELDS OF IODINE ISOTOPES FROM PROTON INTERACTIONS IN TE, AND THE DOUBLE-BETA DECAYS OF TE-128,TE-130

被引：12

作者：

DACRUZ, MTF ^{[1
]}

BARDAYAN, DW ^{[1
]}

CHAN, Y ^{[1
]}

GARCIA, A ^{[1
]}

HINDI, MM ^{[1
]}

LARIMER, RM ^{[1
]}

LESKO, KT ^{[1
]}

NORMAN, EB ^{[1
]}

ROSSI, DF ^{[1
]}

STOKSTAD, RG ^{[1
]}

WIETFELDT, FE ^{[1
]}

ZLIMEN, I ^{[1
]}

机构：

[1] UNIV CALIF BERKELEY, DEPT PHYS, BERKELEY, CA 94720 USA

来源：

PHYSICAL REVIEW C | 1993年 / 48卷 / 06期

关键词：

D O I：

10.1103/PhysRevC.48.3106

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：

We measured thick-target yields of I-126, I-128, I-130 from bombardments of natural Te targets with 15-, 30-, 45-, and 50-MeV protons, together with iodine production cross sections for 1.85- and 5.0-GeV protons. Using these data, we have estimated the relative cosmic-ray induced production of Xe-126, Xe-128, and Xe-130 in Te ores. These quantities are significantly different from those used previously in a determination of the ratio of the double-beta decay half-lives of Te-130 and Te-128, and as a result the cosmic-ray correction is smaller than previously assumed. A revised correction of cosmic-ray produced xenon can change the half-life ratio by about 6%. This quantity is of importance because it can be used to set a limit on the 0-nu double-beta decay mode.

引用

页码：3106 / 3109

页数：4

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