Search for strange tribaryon states in the inclusive 4He(Kstopped-, p) reaction

M. Sato; H. Bhang; J. Chiba; Seonho Choi; Y. Fukuda; T. Hanaki; R. S. Hayano; M. Iio; T. Ishikawa; S. Ishimoto; T. Ishiwatari; K. Itahashi; M. Iwai; M. Iwasaki; P. Kienle; J. H. Kim; Y. Matsuda; H. Ohnishi; S. Okada; H. Outa; S. Suzuki; T. Suzuki; D. Tomono; E. Widmann; T. Yamazaki; H. Yim

doi:10.1016/j.physletb.2007.11.024

Search for strange tribaryon states in the inclusive ⁴He(K_stopped^-, p) reaction

M. Sato, H. Bhang, J. Chiba, Seonho Choi, Y. Fukuda, T. Hanaki, R. S. Hayano, M. Iio, T. Ishikawa, S. Ishimoto, T. Ishiwatari, K. Itahashi, M. Iwai, M. Iwasaki, P. Kienle, J. H. Kim, Y. Matsuda, H. Ohnishi, S. Okada, H. OutaS. Suzuki, T. Suzuki, D. Tomono, E. Widmann, T. Yamazaki, H. Yim

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

53 Citations (Scopus)

Abstract

A search for tribaryon states was performed at KEK-PS. We adopted the ⁴He(K_stopped^-, p) reaction to populate the states with strangeness -1, charge 0 and isospin 1. No significant narrow structure was observed in the mass region from 3000 to 3200 MeV / c² in an inclusive missing mass spectrum. The upper limit of the formation branching ratio was determined to be (0.4 - 6) × 10^-4, (0.2 - 6) × 10^-3 and (0.06 - 5) × 10^-2 / (stopped K^-) with 95% confidence level for a narrow state with an assumed width of 0, 20 and 40 MeV / c², respectively.

Original language	English
Pages (from-to)	107-112
Number of pages	6
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	659
Issue number	1-2
DOIs	https://doi.org/10.1016/j.physletb.2007.11.024
Publication status	Published - 2008 Jan 17
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/j.physletb.2007.11.024

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Sato, M., Bhang, H., Chiba, J., Choi, S., Fukuda, Y., Hanaki, T., Hayano, R. S., Iio, M., Ishikawa, T., Ishimoto, S., Ishiwatari, T., Itahashi, K., Iwai, M., Iwasaki, M., Kienle, P., Kim, J. H., Matsuda, Y., Ohnishi, H., Okada, S., ... Yim, H. (2008). Search for strange tribaryon states in the inclusive ⁴He(K_stopped^-, p) reaction. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 659(1-2), 107-112. https://doi.org/10.1016/j.physletb.2007.11.024

Search for strange tribaryon states in the inclusive ⁴He(K_stopped^-, p) reaction. / Sato, M.; Bhang, H.; Chiba, J.; Choi, Seonho; Fukuda, Y.; Hanaki, T.; Hayano, R. S.; Iio, M.; Ishikawa, T.; Ishimoto, S.; Ishiwatari, T.; Itahashi, K.; Iwai, M.; Iwasaki, M.; Kienle, P.; Kim, J. H.; Matsuda, Y.; Ohnishi, H.; Okada, S.; Outa, H.; Suzuki, S.; Suzuki, T.; Tomono, D.; Widmann, E.; Yamazaki, T.; Yim, H.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 659, No. 1-2, 17.01.2008, p. 107-112.

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

Sato, M, Bhang, H, Chiba, J, Choi, S, Fukuda, Y, Hanaki, T, Hayano, RS, Iio, M, Ishikawa, T, Ishimoto, S, Ishiwatari, T, Itahashi, K, Iwai, M, Iwasaki, M, Kienle, P, Kim, JH, Matsuda, Y, Ohnishi, H, Okada, S, Outa, H, Suzuki, S, Suzuki, T, Tomono, D, Widmann, E, Yamazaki, T & Yim, H 2008, 'Search for strange tribaryon states in the inclusive ⁴He(K_stopped^-, p) reaction', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 659, no. 1-2, pp. 107-112. https://doi.org/10.1016/j.physletb.2007.11.024

Sato, M. ; Bhang, H. ; Chiba, J. ; Choi, Seonho ; Fukuda, Y. ; Hanaki, T. ; Hayano, R. S. ; Iio, M. ; Ishikawa, T. ; Ishimoto, S. ; Ishiwatari, T. ; Itahashi, K. ; Iwai, M. ; Iwasaki, M. ; Kienle, P. ; Kim, J. H. ; Matsuda, Y. ; Ohnishi, H. ; Okada, S. ; Outa, H. ; Suzuki, S. ; Suzuki, T. ; Tomono, D. ; Widmann, E. ; Yamazaki, T. ; Yim, H. / Search for strange tribaryon states in the inclusive ⁴He(K_stopped^-, p) reaction. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2008 ; Vol. 659, No. 1-2. pp. 107-112.

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title = "Search for strange tribaryon states in the inclusive 4He(Kstopped-, p) reaction",

abstract = "A search for tribaryon states was performed at KEK-PS. We adopted the 4He(Kstopped-, p) reaction to populate the states with strangeness -1, charge 0 and isospin 1. No significant narrow structure was observed in the mass region from 3000 to 3200 MeV / c2 in an inclusive missing mass spectrum. The upper limit of the formation branching ratio was determined to be (0.4 - 6) × 10-4, (0.2 - 6) × 10-3 and (0.06 - 5) × 10-2 / (stopped K-) with 95% confidence level for a narrow state with an assumed width of 0, 20 and 40 MeV / c2, respectively.",

author = "M. Sato and H. Bhang and J. Chiba and Seonho Choi and Y. Fukuda and T. Hanaki and Hayano, {R. S.} and M. Iio and T. Ishikawa and S. Ishimoto and T. Ishiwatari and K. Itahashi and M. Iwai and M. Iwasaki and P. Kienle and Kim, {J. H.} and Y. Matsuda and H. Ohnishi and S. Okada and H. Outa and S. Suzuki and T. Suzuki and D. Tomono and E. Widmann and T. Yamazaki and H. Yim",

note = "Funding Information: We would like to thank all of the staff in KEK-PS for their continuous support. This research was partially supported by RIKEN, KEK and Grand-in-Aid for Scientific Research (S), 14102005 of the Ministry of Education, Science, Sports and Culture.",

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doi = "10.1016/j.physletb.2007.11.024",

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AU - Sato, M.

AU - Bhang, H.

AU - Chiba, J.

AU - Choi, Seonho

AU - Fukuda, Y.

AU - Hanaki, T.

AU - Hayano, R. S.

AU - Iio, M.

AU - Ishikawa, T.

AU - Ishimoto, S.

AU - Ishiwatari, T.

AU - Itahashi, K.

AU - Iwai, M.

AU - Iwasaki, M.

AU - Kienle, P.

AU - Kim, J. H.

AU - Matsuda, Y.

AU - Ohnishi, H.

AU - Okada, S.

AU - Outa, H.

AU - Suzuki, S.

AU - Suzuki, T.

AU - Tomono, D.

AU - Widmann, E.

AU - Yamazaki, T.

AU - Yim, H.

N1 - Funding Information: We would like to thank all of the staff in KEK-PS for their continuous support. This research was partially supported by RIKEN, KEK and Grand-in-Aid for Scientific Research (S), 14102005 of the Ministry of Education, Science, Sports and Culture.

PY - 2008/1/17

Y1 - 2008/1/17

N2 - A search for tribaryon states was performed at KEK-PS. We adopted the 4He(Kstopped-, p) reaction to populate the states with strangeness -1, charge 0 and isospin 1. No significant narrow structure was observed in the mass region from 3000 to 3200 MeV / c2 in an inclusive missing mass spectrum. The upper limit of the formation branching ratio was determined to be (0.4 - 6) × 10-4, (0.2 - 6) × 10-3 and (0.06 - 5) × 10-2 / (stopped K-) with 95% confidence level for a narrow state with an assumed width of 0, 20 and 40 MeV / c2, respectively.

AB - A search for tribaryon states was performed at KEK-PS. We adopted the 4He(Kstopped-, p) reaction to populate the states with strangeness -1, charge 0 and isospin 1. No significant narrow structure was observed in the mass region from 3000 to 3200 MeV / c2 in an inclusive missing mass spectrum. The upper limit of the formation branching ratio was determined to be (0.4 - 6) × 10-4, (0.2 - 6) × 10-3 and (0.06 - 5) × 10-2 / (stopped K-) with 95% confidence level for a narrow state with an assumed width of 0, 20 and 40 MeV / c2, respectively.

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Search for strange tribaryon states in the inclusive ⁴He(K_stopped^-, p) reaction

Abstract

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