Observation of Ξ bound states in the 12C(K-,K+)X reaction at 1.8 GeV/c in J-PARC

T. Nagae, S. Kanatsuki, T. Gogami, H. Ekawa, T. Nanamura, M. Naruki, S. Hasegawa, K. Hosomi, Y. Ichikawa, K. Imai, H. Sako, S. Sato, H. Sugimura, K. Tanida, K. Kobayashi, S. H. Hayakawa, T. Hayakawa, R. Honda, Y. Nakada, M. NakagawaA. Sakaguchi, Y. Akazawa, M. Fujita, K. Miwa, Y. Sasaki, H. Tamura, T. O. Yamamoto, K. Aoki, T. Takahashi, M. Ukai, Jung Keun Ahn, W. Jung, S. H. Kim, E. Botta, A. Feliciello, S. Marcello, P. Evtoukhovitch, Z. Tsamalaidze, J. Y. Lee, T. Moon, S. Kimbara, T. Hasegawa, K. Shirotori

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Abstract

We have carried out a pilot data taking of the J-PARC E05 experiment to search for the bound state peaks of 12 Ξ Be in the 12C(K-,K+)X reaction at 1.8 GeV/c. The measurement was performed at the K1.8 beam line of the J-PARC hadron experimental hall with a typical K- beam intensity of 6×105 every six seconds. So far the best energy resolution of about 6 MeVFWHM was achieved with the existing SKS spectrometer. With a reasonable statistics, we have succeeded to observe peak structures in the bound region, which seems to suggest that the potential depth of Ξ would be deeper than 14 MeV estimated in the previous measurements.

Original languageEnglish
Article number038
JournalProceedings of Science
Volume2016-September
Publication statusPublished - 2016 Jan 1

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statistics
spectrometers
energy

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Nagae, T., Kanatsuki, S., Gogami, T., Ekawa, H., Nanamura, T., Naruki, M., ... Shirotori, K. (2016). Observation of Ξ bound states in the 12C(K-,K+)X reaction at 1.8 GeV/c in J-PARC. Proceedings of Science, 2016-September, [038].

Observation of Ξ bound states in the 12C(K-,K+)X reaction at 1.8 GeV/c in J-PARC. / Nagae, T.; Kanatsuki, S.; Gogami, T.; Ekawa, H.; Nanamura, T.; Naruki, M.; Hasegawa, S.; Hosomi, K.; Ichikawa, Y.; Imai, K.; Sako, H.; Sato, S.; Sugimura, H.; Tanida, K.; Kobayashi, K.; Hayakawa, S. H.; Hayakawa, T.; Honda, R.; Nakada, Y.; Nakagawa, M.; Sakaguchi, A.; Akazawa, Y.; Fujita, M.; Miwa, K.; Sasaki, Y.; Tamura, H.; Yamamoto, T. O.; Aoki, K.; Takahashi, T.; Ukai, M.; Ahn, Jung Keun; Jung, W.; Kim, S. H.; Botta, E.; Feliciello, A.; Marcello, S.; Evtoukhovitch, P.; Tsamalaidze, Z.; Lee, J. Y.; Moon, T.; Kimbara, S.; Hasegawa, T.; Shirotori, K.

In: Proceedings of Science, Vol. 2016-September, 038, 01.01.2016.

Research output: Contribution to journalArticle

Nagae, T, Kanatsuki, S, Gogami, T, Ekawa, H, Nanamura, T, Naruki, M, Hasegawa, S, Hosomi, K, Ichikawa, Y, Imai, K, Sako, H, Sato, S, Sugimura, H, Tanida, K, Kobayashi, K, Hayakawa, SH, Hayakawa, T, Honda, R, Nakada, Y, Nakagawa, M, Sakaguchi, A, Akazawa, Y, Fujita, M, Miwa, K, Sasaki, Y, Tamura, H, Yamamoto, TO, Aoki, K, Takahashi, T, Ukai, M, Ahn, JK, Jung, W, Kim, SH, Botta, E, Feliciello, A, Marcello, S, Evtoukhovitch, P, Tsamalaidze, Z, Lee, JY, Moon, T, Kimbara, S, Hasegawa, T & Shirotori, K 2016, 'Observation of Ξ bound states in the 12C(K-,K+)X reaction at 1.8 GeV/c in J-PARC', Proceedings of Science, vol. 2016-September, 038.
Nagae T, Kanatsuki S, Gogami T, Ekawa H, Nanamura T, Naruki M et al. Observation of Ξ bound states in the 12C(K-,K+)X reaction at 1.8 GeV/c in J-PARC. Proceedings of Science. 2016 Jan 1;2016-September. 038.
Nagae, T. ; Kanatsuki, S. ; Gogami, T. ; Ekawa, H. ; Nanamura, T. ; Naruki, M. ; Hasegawa, S. ; Hosomi, K. ; Ichikawa, Y. ; Imai, K. ; Sako, H. ; Sato, S. ; Sugimura, H. ; Tanida, K. ; Kobayashi, K. ; Hayakawa, S. H. ; Hayakawa, T. ; Honda, R. ; Nakada, Y. ; Nakagawa, M. ; Sakaguchi, A. ; Akazawa, Y. ; Fujita, M. ; Miwa, K. ; Sasaki, Y. ; Tamura, H. ; Yamamoto, T. O. ; Aoki, K. ; Takahashi, T. ; Ukai, M. ; Ahn, Jung Keun ; Jung, W. ; Kim, S. H. ; Botta, E. ; Feliciello, A. ; Marcello, S. ; Evtoukhovitch, P. ; Tsamalaidze, Z. ; Lee, J. Y. ; Moon, T. ; Kimbara, S. ; Hasegawa, T. ; Shirotori, K. / Observation of Ξ bound states in the 12C(K-,K+)X reaction at 1.8 GeV/c in J-PARC. In: Proceedings of Science. 2016 ; Vol. 2016-September.
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abstract = "We have carried out a pilot data taking of the J-PARC E05 experiment to search for the bound state peaks of 12 Ξ Be in the 12C(K-,K+)X reaction at 1.8 GeV/c. The measurement was performed at the K1.8 beam line of the J-PARC hadron experimental hall with a typical K- beam intensity of 6×105 every six seconds. So far the best energy resolution of about 6 MeVFWHM was achieved with the existing SKS spectrometer. With a reasonable statistics, we have succeeded to observe peak structures in the bound region, which seems to suggest that the potential depth of Ξ would be deeper than 14 MeV estimated in the previous measurements.",
author = "T. Nagae and S. Kanatsuki and T. Gogami and H. Ekawa and T. Nanamura and M. Naruki and S. Hasegawa and K. Hosomi and Y. Ichikawa and K. Imai and H. Sako and S. Sato and H. Sugimura and K. Tanida and K. Kobayashi and Hayakawa, {S. H.} and T. Hayakawa and R. Honda and Y. Nakada and M. Nakagawa and A. Sakaguchi and Y. Akazawa and M. Fujita and K. Miwa and Y. Sasaki and H. Tamura and Yamamoto, {T. O.} and K. Aoki and T. Takahashi and M. Ukai and Ahn, {Jung Keun} and W. Jung and Kim, {S. H.} and E. Botta and A. Feliciello and S. Marcello and P. Evtoukhovitch and Z. Tsamalaidze and Lee, {J. Y.} and T. Moon and S. Kimbara and T. Hasegawa and K. Shirotori",
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T1 - Observation of Ξ bound states in the 12C(K-,K+)X reaction at 1.8 GeV/c in J-PARC

AU - Nagae, T.

AU - Kanatsuki, S.

AU - Gogami, T.

AU - Ekawa, H.

AU - Nanamura, T.

AU - Naruki, M.

AU - Hasegawa, S.

AU - Hosomi, K.

AU - Ichikawa, Y.

AU - Imai, K.

AU - Sako, H.

AU - Sato, S.

AU - Sugimura, H.

AU - Tanida, K.

AU - Kobayashi, K.

AU - Hayakawa, S. H.

AU - Hayakawa, T.

AU - Honda, R.

AU - Nakada, Y.

AU - Nakagawa, M.

AU - Sakaguchi, A.

AU - Akazawa, Y.

AU - Fujita, M.

AU - Miwa, K.

AU - Sasaki, Y.

AU - Tamura, H.

AU - Yamamoto, T. O.

AU - Aoki, K.

AU - Takahashi, T.

AU - Ukai, M.

AU - Ahn, Jung Keun

AU - Jung, W.

AU - Kim, S. H.

AU - Botta, E.

AU - Feliciello, A.

AU - Marcello, S.

AU - Evtoukhovitch, P.

AU - Tsamalaidze, Z.

AU - Lee, J. Y.

AU - Moon, T.

AU - Kimbara, S.

AU - Hasegawa, T.

AU - Shirotori, K.

PY - 2016/1/1

Y1 - 2016/1/1

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