Search for long-lived exotic particles in 12-geV proton-nucleus interactions

T. T. Nakamura; H. Kobayashi; A. Konaka; K. Imai; A. Masaike; K. Miyake; T. Nagamine; N. Sasao; Y. Yamada; I. Yamauchi

doi:10.1103/PhysRevD.39.1261

Search for long-lived exotic particles in 12-geV proton-nucleus interactions

T. T. Nakamura, H. Kobayashi, A. Konaka, K. Imai, A. Masaike, K. Miyake, T. Nagamine, N. Sasao, Y. Yamada, I. Yamauchi

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

19 Citations (Scopus)

Abstract

A sensitive search for the production of exotic hadrons with charge z=2 and z=(5/3 has been carried out with a 12-GeV proton beam. No candidate event was found in the mass range up to M/z=1.2 GeV/c2. Upper limits are established at 10-9 on the yield of such particles relative to the yield. In particular, this experiment has ruled out the existence of R-s with a mass of less than 1.6 GeV/c2 and a lifetime longer than 10-7 sec. 1989 The American Physical Society.

Original language	English
Pages (from-to)	1261-1266
Number of pages	6
Journal	Physical Review D
Volume	39
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevD.39.1261
Publication status	Published - 1989
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.39.1261

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abstract = "A sensitive search for the production of exotic hadrons with charge z=2 and z=(5/3 has been carried out with a 12-GeV proton beam. No candidate event was found in the mass range up to M/z=1.2 GeV/c2. Upper limits are established at 10-9 on the yield of such particles relative to the yield. In particular, this experiment has ruled out the existence of R-s with a mass of less than 1.6 GeV/c2 and a lifetime longer than 10-7 sec. 1989 The American Physical Society.",

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doi = "10.1103/PhysRevD.39.1261",

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T1 - Search for long-lived exotic particles in 12-geV proton-nucleus interactions

AU - Nakamura, T. T.

AU - Kobayashi, H.

AU - Konaka, A.

AU - Imai, K.

AU - Masaike, A.

AU - Miyake, K.

AU - Nagamine, T.

AU - Sasao, N.

AU - Yamada, Y.

AU - Yamauchi, I.

PY - 1989

Y1 - 1989

N2 - A sensitive search for the production of exotic hadrons with charge z=2 and z=(5/3 has been carried out with a 12-GeV proton beam. No candidate event was found in the mass range up to M/z=1.2 GeV/c2. Upper limits are established at 10-9 on the yield of such particles relative to the yield. In particular, this experiment has ruled out the existence of R-s with a mass of less than 1.6 GeV/c2 and a lifetime longer than 10-7 sec. 1989 The American Physical Society.

AB - A sensitive search for the production of exotic hadrons with charge z=2 and z=(5/3 has been carried out with a 12-GeV proton beam. No candidate event was found in the mass range up to M/z=1.2 GeV/c2. Upper limits are established at 10-9 on the yield of such particles relative to the yield. In particular, this experiment has ruled out the existence of R-s with a mass of less than 1.6 GeV/c2 and a lifetime longer than 10-7 sec. 1989 The American Physical Society.

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Search for long-lived exotic particles in 12-geV proton-nucleus interactions

Abstract

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