J-PARC E27 Experiment to Search for a Nuclear Kaon Bound State K-pp

Y. Ichikawa; H. C. Bhang; S. Bufalino; H. Ekawa; P. Evtoukhovitch; A. Feliciello; H. Fujioka; S. Hasegawa; S. Hayakawa; R. Honda; K. Hosomi; K. Imai; S. Ishimoto; C. W. Joo; S. Kanatsuki; R. Kiuchi; T. Koike; H. Kumawat; Y. Matsumoto; K. Miwa; M. Moritsu; T. Nagae; M. Naruki; M. Niiyama; Y. Nozawa; R. Ota; A. Sakaguchi; H. Sako; V. Samoilov; S. Sato; K. Shirotori; H. Sugimura; S. Suzuki; T. Takahashi; T. N. Takahashi; H. Tamura; T. Tanaka; K. Tanida; A. O. Tokiyasu; Z. Tsamalaidze; B. J. Roy; M. Ukai; T. O. Yamamoto; S. B. Yang

doi:10.1007/s00601-013-0668-3

J-PARC E27 Experiment to Search for a Nuclear Kaon Bound State K^-pp

Y. Ichikawa, H. C. Bhang, S. Bufalino, H. Ekawa, P. Evtoukhovitch, A. Feliciello, H. Fujioka, S. Hasegawa, S. Hayakawa, R. Honda, K. Hosomi, K. Imai, S. Ishimoto, C. W. Joo, S. Kanatsuki, R. Kiuchi, T. Koike, H. Kumawat, Y. Matsumoto, K. MiwaM. Moritsu, T. Nagae, M. Naruki, M. Niiyama, Y. Nozawa, R. Ota, A. Sakaguchi, H. Sako, V. Samoilov, S. Sato, K. Shirotori, H. Sugimura, S. Suzuki, T. Takahashi, T. N. Takahashi, H. Tamura, T. Tanaka, K. Tanida, A. O. Tokiyasu, Z. Tsamalaidze, B. J. Roy, M. Ukai, T. O. Yamamoto, S. B. Yang

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

12 Citations (Scopus)

Abstract

In the J-PARC E27 experiment, we search for a K ^- pp bound state via the d(π ⁺, K ⁺) reaction at 1.7 GeV/c at the K1.8 beam line. The binding energy and decay width of the K ^- pp bound state can be obtained in the missing mass measurement with a good energy resolution of 2 MeV/c ². A range counter array (RCA) was constructed to detect the two high-momentum protons from the K ^- pp decay and to reduce the background such as quasi-free hyperon production. Recently, we have carried out a pilot run in June, 2012. The d(π ⁺, K ⁺) missing-mass spectrum has been obtained for the first time. In this report, an overview of the E27 experiment and a preliminary result on this pilot run are presented.

Original language	English
Pages (from-to)	1191-1194
Number of pages	4
Journal	Few-Body Systems
Volume	54
Issue number	7-10
DOIs	https://doi.org/10.1007/s00601-013-0668-3
Publication status	Published - Aug 2013
Externally published	Yes

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1007/s00601-013-0668-3

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Ichikawa, Y., Bhang, H. C., Bufalino, S., Ekawa, H., Evtoukhovitch, P., Feliciello, A., Fujioka, H., Hasegawa, S., Hayakawa, S., Honda, R., Hosomi, K., Imai, K., Ishimoto, S., Joo, C. W., Kanatsuki, S., Kiuchi, R., Koike, T., Kumawat, H., Matsumoto, Y., ... Yang, S. B. (2013). J-PARC E27 Experiment to Search for a Nuclear Kaon Bound State K^-pp. Few-Body Systems, 54(7-10), 1191-1194. https://doi.org/10.1007/s00601-013-0668-3

Ichikawa, Y, Bhang, HC, Bufalino, S, Ekawa, H, Evtoukhovitch, P, Feliciello, A, Fujioka, H, Hasegawa, S, Hayakawa, S, Honda, R, Hosomi, K, Imai, K, Ishimoto, S, Joo, CW, Kanatsuki, S, Kiuchi, R, Koike, T, Kumawat, H, Matsumoto, Y, Miwa, K, Moritsu, M, Nagae, T, Naruki, M, Niiyama, M, Nozawa, Y, Ota, R, Sakaguchi, A, Sako, H, Samoilov, V, Sato, S, Shirotori, K, Sugimura, H, Suzuki, S, Takahashi, T, Takahashi, TN, Tamura, H, Tanaka, T, Tanida, K, Tokiyasu, AO, Tsamalaidze, Z, Roy, BJ, Ukai, M, Yamamoto, TO & Yang, SB 2013, 'J-PARC E27 Experiment to Search for a Nuclear Kaon Bound State K^-pp', Few-Body Systems, vol. 54, no. 7-10, pp. 1191-1194. https://doi.org/10.1007/s00601-013-0668-3

@article{3ae3e5a6879044679e7c706377468984,

title = "J-PARC E27 Experiment to Search for a Nuclear Kaon Bound State K-pp",

abstract = "In the J-PARC E27 experiment, we search for a K - pp bound state via the d(π +, K +) reaction at 1.7 GeV/c at the K1.8 beam line. The binding energy and decay width of the K - pp bound state can be obtained in the missing mass measurement with a good energy resolution of 2 MeV/c 2. A range counter array (RCA) was constructed to detect the two high-momentum protons from the K - pp decay and to reduce the background such as quasi-free hyperon production. Recently, we have carried out a pilot run in June, 2012. The d(π +, K +) missing-mass spectrum has been obtained for the first time. In this report, an overview of the E27 experiment and a preliminary result on this pilot run are presented.",

author = "Y. Ichikawa and Bhang, {H. C.} and S. Bufalino and H. Ekawa and P. Evtoukhovitch and A. Feliciello and H. Fujioka and S. Hasegawa and S. Hayakawa and R. Honda and K. Hosomi and K. Imai and S. Ishimoto and Joo, {C. W.} and S. Kanatsuki and R. Kiuchi and T. Koike and H. Kumawat and Y. Matsumoto and K. Miwa and M. Moritsu and T. Nagae and M. Naruki and M. Niiyama and Y. Nozawa and R. Ota and A. Sakaguchi and H. Sako and V. Samoilov and S. Sato and K. Shirotori and H. Sugimura and S. Suzuki and T. Takahashi and Takahashi, {T. N.} and H. Tamura and T. Tanaka and K. Tanida and Tokiyasu, {A. O.} and Z. Tsamalaidze and Roy, {B. J.} and M. Ukai and Yamamoto, {T. O.} and Yang, {S. B.}",

year = "2013",

month = aug,

doi = "10.1007/s00601-013-0668-3",

language = "English",

volume = "54",

pages = "1191--1194",

journal = "Few-Body Systems",

issn = "0177-7963",

publisher = "Springer Wien",

number = "7-10",

}

TY - JOUR

T1 - J-PARC E27 Experiment to Search for a Nuclear Kaon Bound State K-pp

AU - Ichikawa, Y.

AU - Bhang, H. C.

AU - Bufalino, S.

AU - Ekawa, H.

AU - Evtoukhovitch, P.

AU - Feliciello, A.

AU - Fujioka, H.

AU - Hasegawa, S.

AU - Hayakawa, S.

AU - Honda, R.

AU - Hosomi, K.

AU - Imai, K.

AU - Ishimoto, S.

AU - Joo, C. W.

AU - Kanatsuki, S.

AU - Kiuchi, R.

AU - Koike, T.

AU - Kumawat, H.

AU - Matsumoto, Y.

AU - Miwa, K.

AU - Moritsu, M.

AU - Nagae, T.

AU - Naruki, M.

AU - Niiyama, M.

AU - Nozawa, Y.

AU - Ota, R.

AU - Sakaguchi, A.

AU - Sako, H.

AU - Samoilov, V.

AU - Sato, S.

AU - Shirotori, K.

AU - Sugimura, H.

AU - Suzuki, S.

AU - Takahashi, T.

AU - Takahashi, T. N.

AU - Tamura, H.

AU - Tanaka, T.

AU - Tanida, K.

AU - Tokiyasu, A. O.

AU - Tsamalaidze, Z.

AU - Roy, B. J.

AU - Ukai, M.

AU - Yamamoto, T. O.

AU - Yang, S. B.

PY - 2013/8

Y1 - 2013/8

N2 - In the J-PARC E27 experiment, we search for a K - pp bound state via the d(π +, K +) reaction at 1.7 GeV/c at the K1.8 beam line. The binding energy and decay width of the K - pp bound state can be obtained in the missing mass measurement with a good energy resolution of 2 MeV/c 2. A range counter array (RCA) was constructed to detect the two high-momentum protons from the K - pp decay and to reduce the background such as quasi-free hyperon production. Recently, we have carried out a pilot run in June, 2012. The d(π +, K +) missing-mass spectrum has been obtained for the first time. In this report, an overview of the E27 experiment and a preliminary result on this pilot run are presented.

AB - In the J-PARC E27 experiment, we search for a K - pp bound state via the d(π +, K +) reaction at 1.7 GeV/c at the K1.8 beam line. The binding energy and decay width of the K - pp bound state can be obtained in the missing mass measurement with a good energy resolution of 2 MeV/c 2. A range counter array (RCA) was constructed to detect the two high-momentum protons from the K - pp decay and to reduce the background such as quasi-free hyperon production. Recently, we have carried out a pilot run in June, 2012. The d(π +, K +) missing-mass spectrum has been obtained for the first time. In this report, an overview of the E27 experiment and a preliminary result on this pilot run are presented.

UR - http://www.scopus.com/inward/record.url?scp=84881030580&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84881030580&partnerID=8YFLogxK

U2 - 10.1007/s00601-013-0668-3

DO - 10.1007/s00601-013-0668-3

M3 - Article

AN - SCOPUS:84881030580

SN - 0177-7963

VL - 54

SP - 1191

EP - 1194

JO - Few-Body Systems

JF - Few-Body Systems

IS - 7-10

ER -

J-PARC E27 Experiment to Search for a Nuclear Kaon Bound State K^-pp

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