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We find no significant signal and set an upper limit of B(\\bar{B}^0 \u2192\u039b_c^+\\bar{\u039b}_c^-)\u003c 6.2\u00d710^{-5} at 90% confidence level. The result is significantly below a naive extrapolation from B(B^-\u2192\u3000\u039e\\begin0\\c\\end\\bar{\u039b}_c^-) assuming a\nsimple Cabibbo-suppression factor of |V_cd/V_cs|^2. The small branching fraction may be attributed to a suppression due to the large momentum of the baryonic decay products, which has been observed in other charmed baryonic two-body B decays.", "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/2237/11345"}]}, "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/PhysRevD.77.051101", "subitem_relation_type_select": "DOI"}}]}, "item_10_rights_12": {"attribute_name": "\u6a29\u5229", "attribute_value_mlt": [{"subitem_rights": "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": "1550-7998", "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": "Uchida, Y."}], "nameIdentifiers": [{"nameIdentifier": "27846", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Ozaki, H."}], "nameIdentifiers": [{"nameIdentifier": "27847", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Kichimi, H."}], "nameIdentifiers": [{"nameIdentifier": "27848", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Adachi, I."}], "nameIdentifiers": [{"nameIdentifier": "27849", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Aihara, H."}], "nameIdentifiers": [{"nameIdentifier": "27850", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Arinstein, K."}], "nameIdentifiers": [{"nameIdentifier": "27851", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Aushev, T."}], "nameIdentifiers": [{"nameIdentifier": "27852", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Bakich, A. 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Search for \bar{B}^0 →Λ_c^+\bar{Λ}_c^- decay at Belle
http://hdl.handle.net/2237/11345
a9b48c60-f7e9-4d58-ad1d-860aa7268d72
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PhysRevD_77_051101.pdf (328.2 kB)
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||
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| 公開日 | 2009-03-23 | |||||
| タイトル | ||||||
| タイトル | Search for \bar{B}^0 →Λ_c^+\bar{Λ}_c^- decay at Belle | |||||
| 著者 |
Uchida, Y.
× Uchida, Y.× Ozaki, H.× Kichimi, H.× Adachi, I.× Aihara, H.× Arinstein, K.× Aushev, T.× Bakich, A. M.× Balagura, V.× Barberio, E.× Bay, A.× Lee, J. S.× Lee, M. J.× Lee, S. E.× Lesiak, T.× Lin, S.-W.× Liventsev, D.× Mandl, F.× McOnie, S.× Medvedeva, T.× Mitaroff, W.× Shapkin, M.× Miyake, H.× Miyata, H.× Miyazaki, Y.× Mizuk, R.× Moloney, G. R.× Nagasaka, Y.× Nakano, E.× Nakao, M.× Nakazawa, H.× Natkaniec, Z.× Shen, C. P.× Nishida, S.× Nitoh, O.× Nozaki, T.× Ogawa, S.× Ohshima, T.× Okuno, S.× Olsen, S. L.× Pakhlov, P.× Pakhlova, G.× Park, C.W.× Shibuya, H.× Park, H.× Peak, L. S.× Pestotnik, R.× Piilonen, L. E.× Sakai, Y.× Schneider, O.× Senyo, K.× Sevior, M. E.× Shiu, J.-G.× Shwartz, B.× Singh, J. B.× Somov, A.× Stanic, S.× Staric, M.× Sumiyoshi, T.× Belous, K.× Suzuki, S.Y.× Takasaki, F.× Tanaka, M.× Taylor, G. N.× Teramoto, Y.× Tikhomirov, I.× Ueno, K.× Uglov, T.× Unno, Y.× Uno, S.× Bhardwaj, V.× Urquijo, P.× Usov, Y.× Varner, G.× Vervink, K.× Wang, C. C.× Wang, C. H.× Wang, M.-Z.× Wang, P.× Watanabe, Y.× Wedd, R.× Bitenc, U.× Won, E.× Yamashita, Y.× Yamauchi, M.× Zhang, C. C.× Zhang, Z. P.× Zhulanov, V.× Zupanc, A.× Zyukova, O.× Bondar, A.× Bozek, A.× Bracˇko, M.× Browder, T. E.× Chang, M.-C.× Chao, Y.× Chen, A.× Chen, W. T.× Cheon, B. G.× Chistov, R.× Cho, I.-S.× Choi, Y.× Dalseno, J.× Dash, M.× Drutskoy, A.× Eidelman, S.× Gabyshev, N.× Golob, B.× Ha, H.× Haba, J.× Hayasaka, K.× Hazumi, M.× Heffernan, D.× Hoshi, Y.× Hou, W.-S.× Hsiung, Y. B.× Hyun, H. J.× Ikado, K.× Inami, K.× Ishikawa, A.× Itoh, R.× Iwabuchi, M.× Iwasaki, M.× Iwasaki, Y.× Kah, D. H.× Kaji, H.× Kang, J. H.× Katayama, N.× Kawai, H.× Kawasaki, T.× Kim, Y. J.× Kinoshita, K.× Korpar, S.× Krizˇan, P.× Krokovny, P.× Kuo, C. C.× Kuzmin, A.× Kwon, Y.-J. |
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| 権利 | ||||||
| 権利情報 | American Physical Society, All rights reserved. | |||||
| 抄録 | ||||||
| 内容記述 | We search for the doubly charmed baryonic decay \bar{B}^0 →Λ_c^+\bar{Λ}_c^-, in a data sample of 520×106 B\bar{B} events accumulated at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e^+e^- collider. We find no significant signal and set an upper limit of B(\bar{B}^0 →Λ_c^+\bar{Λ}_c^-)< 6.2×10^{-5} at 90% confidence level. The result is significantly below a naive extrapolation from B(B^-→ Ξ\begin0\c\end\bar{Λ}_c^-) assuming a simple Cabibbo-suppression factor of |V_cd/V_cs|^2. The small branching fraction may be attributed to a suppression due to the large momentum of the baryonic decay products, which has been observed in other charmed baryonic two-body B decays. |
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| 内容記述タイプ | Abstract | |||||
| 出版者 | ||||||
| 出版者 | American Physical Society | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| 資源タイプ | ||||||
| 資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
| タイプ | journal article | |||||
| DOI | ||||||
| 関連識別子 | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | http://dx.doi.org/10.1103/PhysRevD.77.051101 | |||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 1550-7998 | |||||
| 書誌情報 |
PHYSICAL REVIEW D 巻 77, 号 5, p. 051101-051101, 発行日 2008-03 |
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| フォーマット | ||||||
| application/pdf | ||||||
| 著者版フラグ | ||||||
| 値 | publisher | |||||
| URI | ||||||
| 識別子 | http://hdl.handle.net/2237/11345 | |||||
| 識別子タイプ | HDL | |||||
