Observation of B^+ → Λ^+_c Λ^－_c  K^+ and B^0 → Λ^+_c Λ^－_c K^0 Decays

Gabyshev, N.; Abe, K.; Abe, K.; Adachi, I.; Aihara, H.; Asano, Y.; Aulchenko, V.; Aushev, T.; Bahinipati, S.; Bakich, A. M.; Balagura, V.; Yamauchi, M.; Ying, J.; Zhang, Z. P.; Bay, A.; Bedny, I.; Bitenc, U.; Bizjak, I.; Bondar, A.; Bozek, A.; Bračko, M.; Hazumi, M.; Browder, T. E.; Chen, A.; Chen, W. T.; Cheon, B. G.; Chistov, R.; Choi, Y.; Chuvikov, A.; Cole, S.; Dalseno, J.; Danilov, M.; Hokuue, T.; Dash, M.; Drutskoy, A.; Eidelman, S.; Garmash, A.; Gershon, T.; Gokhroo, G.; Golob, B.; Haba, J.; Hayasaka, K.; Hayashii, H.; Hoshi, Y.; Hou, S.; Hou, W.-S.; Hsiung, Y. B.; Ikado, K.; Imoto, A.; Inami, K.; Itoh, R.; Miyabayashi, K.; Iwasaki, M.; Iwasaki, Y.; Kang, J. H.; Kawasaki, T.; Khan, H. R.; Kichimi, H.; Kim, S. M.; Korpar, S.; Krokovny, P.; Kulasiri, R.; Miyata, H.; Kuo, C. C.; Kuzmin, A.; Kwon, Y.-J.; Leder, G.; Lesiak, T.; Lin, S.-W.; Liventsev, D.; Majumder, G.; Matsumoto, T.; Mitaroff, W.; Miyazaki, Y; Mizuk, R.; Nakano, E.; Nakao, M.; Natkaniec, Z.; Nishida, S.; Ogawa, S.; Ohshima, T.; Somov, A.; Okabe, T.; Okuno, S.; Olsen, S. L.; Ozaki, H.; Palka, H.; Park, C.W.; Park, K. S.; Pestotnik, R.; Piilonen, L. E.; Sakai, Y.; Soni, N.; Sato, N.; Satoyama, N.; Schietinger, T.; Schneider, O.; Schwanda, C.; Seidl, R.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Shibuya, H.; Stamen, R.; Stanič, S.; Starič, M.; Sumiyoshi, T.; Tamai, K.; Tamura, N.; Tanaka, M.; Taylor, G. N.; Barberio, E.; Teramoto, Y.; Tian, X. C.; Tsukamoto, T.; Uehara, S.; Uglov, T.; Ueno, K.; Uno, S.; Urquijo, P.; Varner, G.; Varvell, K. E.; Bartel, W.; Villa, S.; Wang, C. C.; Wang, C. H.; Watanabe, Y.; Won, E.; Xie, Q. L.; Yamaguchi, A.

doi:http://dx.doi.org/10.1103/PhysRevLett.97.202003

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The B+ \u2192 \u039b^+_c \u039b^-_c K+ decay is observed with a branching fraction of (6.5^{+1.0}_{-0.9} \u00b11.1\u00b13.4)x10^{-4} and a statistical significance of 15.4\u03c3. The B^0 \u2192 \u039b^+_c \u039b^-_c K^0 decay is observed with a branching fraction of (7.9^{+2.9}_{-2.3}\u00b11.2\u00b14.1)x10^{-4} and a statistical significance of 6.6\u03c3. The branching fraction errors are statistical, systematic, and the error resulting from the uncertainty of the \u039b^+_c \u2192pK^-\u03c0^+ decay branching fraction. The analysis is based on 357 fb^{-1} of data accumulated at the \u038e(4S) resonance with the Belle detector at the KEKB asymmetric-energy e^+e^- collider.", "subitem_description_type": "Abstract"}]}, "item_10_identifier_60": {"attribute_name": "URI", "attribute_value_mlt": [{"subitem_identifier_type": "HDL", "subitem_identifier_uri": "http://hdl.handle.net/2237/8855"}]}, "item_10_publisher_32": {"attribute_name": "\u51fa\u7248\u8005", "attribute_value_mlt": [{"subitem_publisher": "American Physical Society"}]}, "item_10_relation_11": {"attribute_name": "DOI", "attribute_value_mlt": [{"subitem_relation_type_id": {"subitem_relation_type_id_text": "http://dx.doi.org/10.1103/PhysRevLett.97.202003", "subitem_relation_type_select": "DOI"}}]}, "item_10_rights_12": {"attribute_name": "\u6a29\u5229", "attribute_value_mlt": [{"subitem_rights": "Copyright: American Physical Society, All rights reserved."}]}, "item_10_select_15": {"attribute_name": "\u8457\u8005\u7248\u30d5\u30e9\u30b0", "attribute_value_mlt": [{"subitem_select_item": "publisher"}]}, "item_10_source_id_7": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "0031-9007", "subitem_source_identifier_type": "ISSN"}]}, "item_10_text_14": {"attribute_name": "\u30d5\u30a9\u30fc\u30de\u30c3\u30c8", "attribute_value_mlt": [{"subitem_text_value": "application/pdf"}]}, "item_creator": {"attribute_name": "\u8457\u8005", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Gabyshev, N."}], "nameIdentifiers": [{"nameIdentifier": "19556", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Abe, K."}], "nameIdentifiers": [{"nameIdentifier": "19557", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Abe, K."}], "nameIdentifiers": [{"nameIdentifier": "19558", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Adachi, I."}], "nameIdentifiers": [{"nameIdentifier": "19559", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Aihara, H."}], "nameIdentifiers": [{"nameIdentifier": "19560", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Asano, Y."}], "nameIdentifiers": [{"nameIdentifier": "19561", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Aulchenko, V."}], "nameIdentifiers": [{"nameIdentifier": "19562", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Aushev, T."}], "nameIdentifiers": [{"nameIdentifier": "19563", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Bahinipati, S."}], "nameIdentifiers": [{"nameIdentifier": "19564", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Bakich, A. 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Observation of B^+ → Λ^+_c Λ^－_c K^+ and B^0 → Λ^+_c Λ^－_c K^0 Decays

http://hdl.handle.net/2237/8855

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item type

学術雑誌論文 / Journal Article(1)

公開日

2007-10-22

タイトル

Observation of B^+ → Λ^+_c Λ^－_c K^+ and B^0 → Λ^+_c Λ^－_c K^0 Decays

著者

Gabyshev, N.
Abe, K.
Abe, K.
Adachi, I.
Aihara, H.
Asano, Y.
Aulchenko, V.

Aushev, T.
Bahinipati, S.

Bakich, A. M.

Balagura, V.
Yamauchi, M.
Ying, J.
Zhang, Z. P.
Bay, A.
Bedny, I.
Bitenc, U.
Bizjak, I.
Bondar, A.
Bozek, A.
Bračko, M.
Hazumi, M.
Browder, T. E.

Chen, A.
Chen, W. T.
Cheon, B. G.
Chistov, R.
Choi, Y.
Chuvikov, A.
Cole, S.
Dalseno, J.
Danilov, M.
Hokuue, T.
Dash, M.
Drutskoy, A.
Eidelman, S.
Garmash, A.
Gershon, T.
Gokhroo, G.
Golob, B.
Haba, J.
Hayasaka, K.
Hayashii, H.
Hoshi, Y.
Hou, S.
Hou, W.-S.
Hsiung, Y. B.

Ikado, K.
Imoto, A.
Inami, K.
Itoh, R.
Miyabayashi, K.

Iwasaki, M.
Iwasaki, Y.
Kang, J. H.
Kawasaki, T.
Khan, H. R.
Kichimi, H.
Kim, S. M.
Korpar, S.
Krokovny, P.
Kulasiri, R.
Miyata, H.
Kuo, C. C.
Kuzmin, A.
Kwon, Y.-J.
Leder, G.
Lesiak, T.
Lin, S.-W.
Liventsev, D.

Majumder, G.
Matsumoto, T.

Mitaroff, W.
Miyazaki, Y
Mizuk, R.
Nakano, E.
Nakao, M.
Natkaniec, Z.

Nishida, S.
Ogawa, S.
Ohshima, T.
Somov, A.
Okabe, T.
Okuno, S.
Olsen, S. L.
Ozaki, H.
Palka, H.
Park, C.W.
Park, K. S.
Pestotnik, R.

Piilonen, L. E.

Sakai, Y.
Soni, N.
Sato, N.
Satoyama, N.
Schietinger, T.

Schneider, O.

Schwanda, C.
Seidl, R.
Senyo, K.
Sevior, M. E.

Shapkin, M.
Shibuya, H.
Stamen, R.
Stanič, S.
Starič, M.
Sumiyoshi, T.

Tamai, K.
Tamura, N.
Tanaka, M.
Taylor, G. N.

Barberio, E.
Teramoto, Y.
Tian, X. C.
Tsukamoto, T.

Uehara, S.
Uglov, T.
Ueno, K.
Uno, S.
Urquijo, P.
Varner, G.
Varvell, K. E.

Bartel, W.
Villa, S.
Wang, C. C.
Wang, C. H.
Watanabe, Y.
Won, E.
Xie, Q. L.
Yamaguchi, A.

権利

権利情報

抄録

内容記述タイプ

Abstract

内容記述

We report the first measurements of the doubly charmed baryonic B decays B → Λ^+_c Λ^-_c K. The B+ → Λ^+_c Λ^-_c K+ decay is observed with a branching fraction of (6.5^{+1.0}_{-0.9} ±1.1±3.4)x10^{-4} and a statistical significance of 15.4σ. The B^0 → Λ^+_c Λ^-_c K^0 decay is observed with a branching fraction of (7.9^{+2.9}_{-2.3}±1.2±4.1)x10^{-4} and a statistical significance of 6.6σ. The branching fraction errors are statistical, systematic, and the error resulting from the uncertainty of the Λ^+_c →pK^-π^+ decay branching fraction. The analysis is based on 357 fb^{-1} of data accumulated at the Ύ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e^+e^- collider.

出版者

American Physical Society

言語

eng

資源タイプ

資源

http://purl.org/coar/resource_type/c_6501

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journal article

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2021-03-01 12:23:48.323507

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Observation of B^+ → Λ^+_c Λ^－_c K^+ and B^0 → Λ^+_c Λ^－_c K^0 Decays

× Gabyshev, N.

× Abe, K.

× Abe, K.

× Adachi, I.

× Aihara, H.

× Asano, Y.

× Aulchenko, V.

× Aushev, T.

× Bahinipati, S.

× Bakich, A. M.

× Balagura, V.

× Yamauchi, M.

× Ying, J.

× Zhang, Z. P.

× Bay, A.

× Bedny, I.

× Bitenc, U.

× Bizjak, I.

× Bondar, A.

× Bozek, A.

× Bračko, M.

× Hazumi, M.

× Browder, T. E.

× Chen, A.

× Chen, W. T.

× Cheon, B. G.

× Chistov, R.

× Choi, Y.

× Chuvikov, A.

× Cole, S.

× Dalseno, J.

× Danilov, M.

× Hokuue, T.

× Dash, M.

× Drutskoy, A.

× Eidelman, S.

× Garmash, A.

× Gershon, T.

× Gokhroo, G.

× Golob, B.

× Haba, J.

× Hayasaka, K.

× Hayashii, H.

× Hoshi, Y.

× Hou, S.

× Hou, W.-S.

× Hsiung, Y. B.

× Ikado, K.

× Imoto, A.

× Inami, K.

× Itoh, R.

× Miyabayashi, K.

× Iwasaki, M.

× Iwasaki, Y.

× Kang, J. H.

× Kawasaki, T.

× Khan, H. R.

× Kichimi, H.

× Kim, S. M.

× Korpar, S.

× Krokovny, P.

× Kulasiri, R.

× Miyata, H.

× Kuo, C. C.

× Kuzmin, A.

× Kwon, Y.-J.

× Leder, G.

× Lesiak, T.

× Lin, S.-W.

× Liventsev, D.

× Majumder, G.

× Matsumoto, T.

× Mitaroff, W.

× Miyazaki, Y

× Mizuk, R.

× Nakano, E.