Observation of double-hypernuclei and Λ-Λ interaction

H. Takahashi, Jung Keun Ahn, H. Akikawa, S. Aoki, K. Arai, S. Y. Bahk, K. M. Baik, B. Bassalleck, J. H. Chung, M. S. Chung, D. H. Davis, T. Fukuda, K. Hoshino, A. Ichikawa, M. Ieiri, K. Imai, Y. H. Iwata, Y. S. Iwata, H. Kanda, M. KanekoT. Kawai, M. Kawasaki, C. O. Kim, J. Y. Kim, S. J. Kim, S. H. Kim, Y. Kondo, T. Kouketsu, K. N. Kyaw, Y. L. Lee, J. W C McNabb, M. Mitsuhara, Y. Nagase, C. Nagoshi, K. Nakazawa, H. Noumi, S. Ogawa, H. Okabe, M. Okuda, K. Oyama, B. D. Park, H. M. Park, I. G. Park, J. Parker, Y. S. Ra, J. T. Rhee, A. Rusek, H. Shibuya, K. S. Sim, P. K. Saha, D. Seki, M. Sekimoto, J. S. Song, T. Takahashi, F. Takeutchi, H. Tanaka, K. Tanida, J. Tojo, H. Torii, S. Torikai, D. N. Tovee, N. Ushida, T. Wint, K. Yamamoto, N. Yasuda, J. T. Yang, C. J. Yoon, C. S. Yoon, M. Yosoi, T. Yoshida, L. Zhu

Research output: Contribution to journalArticle

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Abstract

A hybrid-emulsion experiment has been carried out at KEK-PS to study S = -2 nuclei. With the analysis of about 35% of total emulsion, we have successfully found three events of sequential weak decay of a double-hypernucleus. The results of these E373 events are summarized together with those of past experiments. The first experimental study of the branching ratios of weak decay modes of double-hypernuclei has been performed.

Original languageEnglish
JournalNuclear Physics A
Volume721
DOIs
Publication statusPublished - 2003 Jun 30
Externally publishedYes

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hypernuclei
emulsions
decay
interactions
nuclei

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Takahashi, H., Ahn, J. K., Akikawa, H., Aoki, S., Arai, K., Bahk, S. Y., ... Zhu, L. (2003). Observation of double-hypernuclei and Λ-Λ interaction. Nuclear Physics A, 721. https://doi.org/10.1016/S0375-9474(03)01249-1

Observation of double-hypernuclei and Λ-Λ interaction. / Takahashi, H.; Ahn, Jung Keun; Akikawa, H.; Aoki, S.; Arai, K.; Bahk, S. Y.; Baik, K. M.; Bassalleck, B.; Chung, J. H.; Chung, M. S.; Davis, D. H.; Fukuda, T.; Hoshino, K.; Ichikawa, A.; Ieiri, M.; Imai, K.; Iwata, Y. H.; Iwata, Y. S.; Kanda, H.; Kaneko, M.; Kawai, T.; Kawasaki, M.; Kim, C. O.; Kim, J. Y.; Kim, S. J.; Kim, S. H.; Kondo, Y.; Kouketsu, T.; Kyaw, K. N.; Lee, Y. L.; McNabb, J. W C; Mitsuhara, M.; Nagase, Y.; Nagoshi, C.; Nakazawa, K.; Noumi, H.; Ogawa, S.; Okabe, H.; Okuda, M.; Oyama, K.; Park, B. D.; Park, H. M.; Park, I. G.; Parker, J.; Ra, Y. S.; Rhee, J. T.; Rusek, A.; Shibuya, H.; Sim, K. S.; Saha, P. K.; Seki, D.; Sekimoto, M.; Song, J. S.; Takahashi, T.; Takeutchi, F.; Tanaka, H.; Tanida, K.; Tojo, J.; Torii, H.; Torikai, S.; Tovee, D. N.; Ushida, N.; Wint, T.; Yamamoto, K.; Yasuda, N.; Yang, J. T.; Yoon, C. J.; Yoon, C. S.; Yosoi, M.; Yoshida, T.; Zhu, L.

In: Nuclear Physics A, Vol. 721, 30.06.2003.

Research output: Contribution to journalArticle

Takahashi, H, Ahn, JK, Akikawa, H, Aoki, S, Arai, K, Bahk, SY, Baik, KM, Bassalleck, B, Chung, JH, Chung, MS, Davis, DH, Fukuda, T, Hoshino, K, Ichikawa, A, Ieiri, M, Imai, K, Iwata, YH, Iwata, YS, Kanda, H, Kaneko, M, Kawai, T, Kawasaki, M, Kim, CO, Kim, JY, Kim, SJ, Kim, SH, Kondo, Y, Kouketsu, T, Kyaw, KN, Lee, YL, McNabb, JWC, Mitsuhara, M, Nagase, Y, Nagoshi, C, Nakazawa, K, Noumi, H, Ogawa, S, Okabe, H, Okuda, M, Oyama, K, Park, BD, Park, HM, Park, IG, Parker, J, Ra, YS, Rhee, JT, Rusek, A, Shibuya, H, Sim, KS, Saha, PK, Seki, D, Sekimoto, M, Song, JS, Takahashi, T, Takeutchi, F, Tanaka, H, Tanida, K, Tojo, J, Torii, H, Torikai, S, Tovee, DN, Ushida, N, Wint, T, Yamamoto, K, Yasuda, N, Yang, JT, Yoon, CJ, Yoon, CS, Yosoi, M, Yoshida, T & Zhu, L 2003, 'Observation of double-hypernuclei and Λ-Λ interaction', Nuclear Physics A, vol. 721. https://doi.org/10.1016/S0375-9474(03)01249-1
Takahashi, H. ; Ahn, Jung Keun ; Akikawa, H. ; Aoki, S. ; Arai, K. ; Bahk, S. Y. ; Baik, K. M. ; Bassalleck, B. ; Chung, J. H. ; Chung, M. S. ; Davis, D. H. ; Fukuda, T. ; Hoshino, K. ; Ichikawa, A. ; Ieiri, M. ; Imai, K. ; Iwata, Y. H. ; Iwata, Y. S. ; Kanda, H. ; Kaneko, M. ; Kawai, T. ; Kawasaki, M. ; Kim, C. O. ; Kim, J. Y. ; Kim, S. J. ; Kim, S. H. ; Kondo, Y. ; Kouketsu, T. ; Kyaw, K. N. ; Lee, Y. L. ; McNabb, J. W C ; Mitsuhara, M. ; Nagase, Y. ; Nagoshi, C. ; Nakazawa, K. ; Noumi, H. ; Ogawa, S. ; Okabe, H. ; Okuda, M. ; Oyama, K. ; Park, B. D. ; Park, H. M. ; Park, I. G. ; Parker, J. ; Ra, Y. S. ; Rhee, J. T. ; Rusek, A. ; Shibuya, H. ; Sim, K. S. ; Saha, P. K. ; Seki, D. ; Sekimoto, M. ; Song, J. S. ; Takahashi, T. ; Takeutchi, F. ; Tanaka, H. ; Tanida, K. ; Tojo, J. ; Torii, H. ; Torikai, S. ; Tovee, D. N. ; Ushida, N. ; Wint, T. ; Yamamoto, K. ; Yasuda, N. ; Yang, J. T. ; Yoon, C. J. ; Yoon, C. S. ; Yosoi, M. ; Yoshida, T. ; Zhu, L. / Observation of double-hypernuclei and Λ-Λ interaction. In: Nuclear Physics A. 2003 ; Vol. 721.
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abstract = "A hybrid-emulsion experiment has been carried out at KEK-PS to study S = -2 nuclei. With the analysis of about 35{\%} of total emulsion, we have successfully found three events of sequential weak decay of a double-hypernucleus. The results of these E373 events are summarized together with those of past experiments. The first experimental study of the branching ratios of weak decay modes of double-hypernuclei has been performed.",
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T1 - Observation of double-hypernuclei and Λ-Λ interaction

AU - Takahashi, H.

AU - Ahn, Jung Keun

AU - Akikawa, H.

AU - Aoki, S.

AU - Arai, K.

AU - Bahk, S. Y.

AU - Baik, K. M.

AU - Bassalleck, B.

AU - Chung, J. H.

AU - Chung, M. S.

AU - Davis, D. H.

AU - Fukuda, T.

AU - Hoshino, K.

AU - Ichikawa, A.

AU - Ieiri, M.

AU - Imai, K.

AU - Iwata, Y. H.

AU - Iwata, Y. S.

AU - Kanda, H.

AU - Kaneko, M.

AU - Kawai, T.

AU - Kawasaki, M.

AU - Kim, C. O.

AU - Kim, J. Y.

AU - Kim, S. J.

AU - Kim, S. H.

AU - Kondo, Y.

AU - Kouketsu, T.

AU - Kyaw, K. N.

AU - Lee, Y. L.

AU - McNabb, J. W C

AU - Mitsuhara, M.

AU - Nagase, Y.

AU - Nagoshi, C.

AU - Nakazawa, K.

AU - Noumi, H.

AU - Ogawa, S.

AU - Okabe, H.

AU - Okuda, M.

AU - Oyama, K.

AU - Park, B. D.

AU - Park, H. M.

AU - Park, I. G.

AU - Parker, J.

AU - Ra, Y. S.

AU - Rhee, J. T.

AU - Rusek, A.

AU - Shibuya, H.

AU - Sim, K. S.

AU - Saha, P. K.

AU - Seki, D.

AU - Sekimoto, M.

AU - Song, J. S.

AU - Takahashi, T.

AU - Takeutchi, F.

AU - Tanaka, H.

AU - Tanida, K.

AU - Tojo, J.

AU - Torii, H.

AU - Torikai, S.

AU - Tovee, D. N.

AU - Ushida, N.

AU - Wint, T.

AU - Yamamoto, K.

AU - Yasuda, N.

AU - Yang, J. T.

AU - Yoon, C. J.

AU - Yoon, C. S.

AU - Yosoi, M.

AU - Yoshida, T.

AU - Zhu, L.

PY - 2003/6/30

Y1 - 2003/6/30

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AB - A hybrid-emulsion experiment has been carried out at KEK-PS to study S = -2 nuclei. With the analysis of about 35% of total emulsion, we have successfully found three events of sequential weak decay of a double-hypernucleus. The results of these E373 events are summarized together with those of past experiments. The first experimental study of the branching ratios of weak decay modes of double-hypernuclei has been performed.

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JO - Nuclear Physics A

JF - Nuclear Physics A

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