Observation of double-hypernuclei and Λ-Λ interaction

H. Takahashi, J. K. 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. Kaneko & 51 others T. 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, Junji 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
Pages (from-to)C951-C954
JournalNuclear Physics A
Volume721
DOIs
Publication statusPublished - Jun 30 2003

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hypernuclei
emulsions
decay
interactions
nuclei

All Science Journal Classification (ASJC) codes

  • 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, C951-C954. https://doi.org/10.1016/S0375-9474(03)01249-1

Observation of double-hypernuclei and Λ-Λ interaction. / Takahashi, H.; Ahn, J. K.; 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, Junji; 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, p. C951-C954.

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, pp. C951-C954. https://doi.org/10.1016/S0375-9474(03)01249-1
Takahashi H, Ahn JK, Akikawa H, Aoki S, Arai K, Bahk SY et al. Observation of double-hypernuclei and Λ-Λ interaction. Nuclear Physics A. 2003 Jun 30;721:C951-C954. https://doi.org/10.1016/S0375-9474(03)01249-1
Takahashi, H. ; Ahn, J. K. ; 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, Junji ; 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. pp. C951-C954.
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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, J. K.

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, Junji

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

N2 - 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

SN - 0375-9474

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