DIRECT OBSERVATION OF SEQUENTIAL WEAK DECAY OF A DOUBLE HYPERNUCLEUS

被引：288

作者：

AOKI, S

BAHK, SY

CHUNG, KS

CHUNG, SH

FUNAHASHI, H

HAHN, CH

HARA, T

HIRATA, S

HOSHINO, K

IEIRI, M

IIJIMA, T

IMAI, K

ISHIGAMI, T

ITOW, Y

KAZUNO, M

KIKUCHI, K

KIM, CO

KIM, DC

KIM, JY

KOBAYASHI, M

KODAMA, K

MAEDA, Y

MASAIKE, A

MASUOKA, A

MATSUDA, Y

NAGOSHI, C

NAKAMURA, M

NAKANISHI, S

NAKANO, T

NAKAZAWA, K

NIWA, K

ODA, H

OKABE, H

ONO, S

OZAKI, R

PARK, IG

SATO, Y

SHIBUYA, H

SHIMIZU, HM

SONG, JS

SUGIMOTO, M

TAJIMA, H

TAKASHIMA, R

TAKEUTCHI, F

TANAKA, KH

TERANAKA, M

TEZUKA, I

TOGAWA, H

USHIDA, N

WATANABE, S

机构：

[1] SCI EDUC INST OSAKA PREFECTURE, OSAKA 558, JAPAN

[2] KYOTO UNIV, KYOTO 612, JAPAN

[3] KYOTO SANGYO UNIV, KYOTO 603, JAPAN

[4] NAGOYA UNIV, DEPT PHYS, NAGOYA 46401, JAPAN

[5] WONKWANG UNIV, IRI 570749, SOUTH KOREA

[6] KYOTO UNIV, DEPT PHYS, KYOTO 606, JAPAN

[7] CHANGWON NATL COLL, CHANGWON 641240, SOUTH KOREA

[8] NATL LAB HIGH ENERGY PHYS, TSUKUBA, IBARAKI 305, JAPAN

[9] TOHO UNIV, DEPT PHYS, FUNABASHI, CHIBA 274, JAPAN

[10] UTSUNOMIYA UNIV, FAC EDUC, UTSUNOMIYA 350, JAPAN

[11] UNIV KOREA, SEOUL 136701, SOUTH KOREA

[12] CHONNAM NATL UNIV, KWANGJU 500757, SOUTH KOREA

[13] AICHI UNIV EDUC, KARIYA 448, JAPAN

[14] YOKOHAMA NATL UNIV, FAC ORGAN SYNTH, YOKOHAMA, KANAGAWA 240, JAPAN

[15] UNIV TOKYO, INST NUCL STUDY, TANASHI 188, JAPAN

[16] GIFU UNIV, FAC EDUC, GIFU 50111, JAPAN

[17] OSAKA CITY UNIV, DEPT PHYS, OSAKA 558, JAPAN

来源：

PROGRESS OF THEORETICAL PHYSICS | 1991年 / 85卷 / 06期

关键词：

D O I：

10.1143/PTP.85.1287

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have studied stars in nuclear emulsion due to the capture at rest of the KELVIN- hyperons produced in the (K-,K+) reaction. The sequential weak decay of a double hypernucleus (nucleus with S = -2) has been directly observed. The double hypernucleus is assigned as either LAMBDA-LAMBDA-Be-10 or LAMBDA-LAMBDA-B-13. This assignment excludes the existence of the H dibaryon lighter than 2203.7 +/- O.7 MeV/c2.

引用

页码：1287 / 1298

页数：12

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