Observation of a Resonancelike Structure in the π^+-Ψ' Mass Distribution in Exclusive B → Kπ^+-Ψ' Decays

Choi, S.-K.; Olsen, S. L.; Adachi, I.; Aihara, H.; Aulchenko, V.; Aushev, T.; Aziz, T.; Bakich, A. M.; Balagura, V.; Bedny, I.; Bitenc, U.; Kuzmin, A.; Kwon, Y.-J.; Lange, J. S.; Lee, J. S.; Lee, M. J.; Lee, S. E.; Lesiak, T.; Limosani, A.; Lin, S.-W.; Liu, Y.; Schneider, O.; Liventsev, D.; Mandl, F.; Matyja, A.; McOnie, S.; Medvedeva, T.; Mitaroff, W.; Miyabayashi, K.; Miyake, H.; Miyata, H.; Miyazaki, Y.; Schwartz, A. J.; Mizuk, R.; Moloney, G. R.; Nakano, E.; Nakao, M.; Nishida, S.; Nitoh, O.; Nozaki, T.; Ogawa, S.; Ohshima, T.; Okuno, S.; Senyo, K.; Ozaki, H.; Pakhlov, P.; Pakhlova, G.; Park, C.W.; Park, H.; Peak, L. S.; Pestotnik, R.; Piilonen, L. E.; Sahoo, H.; Sakai, Y.; Shapkin, M.; Shen, C. P.; Shibuya, H.; Shwartz, B.; Singh, J. B.; Somov, A.; Stanic, S.; Bondar, A.; Staric, M.; Sumiyoshi, T.; Suzuki, S.Y.; Takasaki, F.; Tamai, K.; Tanaka, M.; Teramoto, Y.; Tikhomirov, I.; Uehara, S.; Uglov, T.; Bozek, A.; Unno, Y.; Uno, S.; Urquijo, P.; Varner, G.; Vervink, K.; Villa, S.; Wang, C. H.; Wang, M.-Z.; Wang, P.; Wang, X. L.; Bracˇko, M.; Watanabe, Y.; Wedd, R.; Won, E.; Yabsley, B. D.; Yamashita, Y.; Yuan, C. Z.; Zhang, Z. P.; Zhulanov, V.; Zupanc, A.; Zyukova, O.; Brodzicka, J.; Browder, T. E.; Chang, P.; Chao, Y.; Chen, A.; Chen, K.-F.; Chen, W. T.; Cheon, B. G.; Chistov, R.; Choi, Y.; Dalseno, J.; Danilov, M.; Dash, M.; Eidelman, S.; Gabyshev, N.; Golob, B.; Haba, J.; Hara, T.; Hayasaka, K.; Hayashii, H.; Hazumi, M.; Heffernan, D.; Hoshi, Y.; Hou, W.-S.; Hyun, H. J.; Iijima, T.; Inami, K.; Ishikawa, A.; Ishino, H.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Kah, D. H.; Kang, J. H.; Katayama, N.; Kawai, H.; Kawasaki, T.; Kichimi, H.; Kim, H. O.; Kim, S. K.; Kim, Y. J.; Kinoshita, K.; Krizˇan, P.; Krokovny, P.; Kumar, R.; Kuo, C. C.

doi:https://doi.org/10.1103/PhysRevLett.100.142001

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A fit using a Breit-Wigner resonance shape yields a peak mass and width of M = 4433± 4(stat)± 2(syst) MeV and Γ= 45\\begin+18\\-13\\end(stat)\\begin+30\\-13\\end(syst)MeV.The product branching fraction is determined to be B(B^0→ K^∓Z^±(4430)→ π^±Ψ\u0027)= (4.1±1.0(stat)±1.4(syst))×10^{-5}, where Z^±(4430)is used to denote the observed structure. The statistical significance of the observed peak is 6.5σ. 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Observation of a Resonancelike Structure in the π^+-Ψ' Mass Distribution in Exclusive B → Kπ^+-Ψ' Decays

http://hdl.handle.net/2237/11344

名前 / ファイル	ライセンス	アクション
PhysRevLett_100_142001.pdf (313.2 kB)

Item type

学術雑誌論文 / Journal Article(1)

公開日

2009-03-23

タイトル

Observation of a Resonancelike Structure in the π^+-Ψ' Mass Distribution in Exclusive B → Kπ^+-Ψ' Decays

言語

著者

Choi, S.-K.
Olsen, S. L.
Adachi, I.
Aihara, H.
Aulchenko, V.
Aushev, T.
Aziz, T.
Bakich, A. M.
Balagura, V.
Bedny, I.
Bitenc, U.
Kuzmin, A.
Kwon, Y.-J.
Lange, J. S.
Lee, J. S.
Lee, M. J.
Lee, S. E.
Lesiak, T.
Limosani, A.
Lin, S.-W.
Liu, Y.
Schneider, O.
Liventsev, D.
Mandl, F.
Matyja, A.
McOnie, S.
Medvedeva, T.
Mitaroff, W.
Miyabayashi, K.
Miyake, H.
Miyata, H.
Miyazaki, Y.
Schwartz, A. J.
Mizuk, R.
Moloney, G. R.
Nakano, E.
Nakao, M.
Nishida, S.
Nitoh, O.
Nozaki, T.
Ogawa, S.
Ohshima, T.
Okuno, S.
Senyo, K.
Ozaki, H.
Pakhlov, P.
Pakhlova, G.
Park, C.W.
Park, H.
Peak, L. S.
Pestotnik, R.
Piilonen, L. E.
Sahoo, H.
Sakai, Y.
Shapkin, M.
Shen, C. P.
Shibuya, H.
Shwartz, B.
Singh, J. B.
Somov, A.
Stanic, S.
Bondar, A.
Staric, M.
Sumiyoshi, T.
Suzuki, S.Y.
Takasaki, F.
Tamai, K.
Tanaka, M.
Teramoto, Y.
Tikhomirov, I.
Uehara, S.
Uglov, T.
Bozek, A.
Unno, Y.
Uno, S.
Urquijo, P.
Varner, G.
Vervink, K.
Villa, S.
Wang, C. H.
Wang, M.-Z.
Wang, P.
Wang, X. L.
Bracˇko, M.
Watanabe, Y.
Wedd, R.
Won, E.
Yabsley, B. D.
Yamashita, Y.
Yuan, C. Z.
Zhang, Z. P.
Zhulanov, V.
Zupanc, A.
Zyukova, O.
Brodzicka, J.
Browder, T. E.
Chang, P.
Chao, Y.
Chen, A.
Chen, K.-F.
Chen, W. T.
Cheon, B. G.
Chistov, R.
Choi, Y.
Dalseno, J.
Danilov, M.
Dash, M.
Eidelman, S.
Gabyshev, N.
Golob, B.
Haba, J.
Hara, T.
Hayasaka, K.
Hayashii, H.
Hazumi, M.
Heffernan, D.
Hoshi, Y.
Hou, W.-S.
Hyun, H. J.
Iijima, T.
Inami, K.
Ishikawa, A.
Ishino, H.
Itoh, R.
Iwasaki, M.
Iwasaki, Y.
Kah, D. H.
Kang, J. H.
Katayama, N.
Kawai, H.
Kawasaki, T.
Kichimi, H.
Kim, H. O.
Kim, S. K.
Kim, Y. J.
Kinoshita, K.
Krizˇan, P.
Krokovny, P.
Kumar, R.
Kuo, C. C.

アクセス権

open access

アクセス権URI

http://purl.org/coar/access_right/c_abf2

権利

言語

権利情報

抄録

内容記述

A distinct peak is observed in the π^±Ψ'invariant mass distribution near 4.43 GeV in B→ Kπ^±Ψ' decays. A fit using a Breit-Wigner resonance shape yields a peak mass and width of M = 4433± 4(stat)± 2(syst) MeV and Γ= 45\begin+18\-13\end(stat)\begin+30\-13\end(syst)MeV.The product branching fraction is determined to be B(B^0→ K^∓Z^±(4430)→ π^±Ψ')= (4.1±1.0(stat)±1.4(syst))×10^{-5}, where Z^±(4430)is used to denote the observed structure. The statistical significance of the observed peak is 6.5σ. These results are obtained from a 605 fb^{-1} data sample that contains 657 ×10^6 B\bar{B} pairs collected near the Υ(4S) resonance with the Belle detector at the KEKB asymmetric energy e^+e^- collider.

言語

内容記述タイプ

Abstract

出版者

言語

出版者

American Physical Society

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

出版タイプ

VoR

出版タイプResource

http://purl.org/coar/version/c_970fb48d4fbd8a85

DOI

Versions

Ver.1

2021-03-01 11:57:35.447954

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Observation of a Resonancelike Structure in the π^+-Ψ' Mass Distribution in Exclusive B → Kπ^+-Ψ' Decays

× Choi, S.-K.

× Olsen, S. L.

× Adachi, I.

× Aihara, H.

× Aulchenko, V.

× Aushev, T.

× Aziz, T.

× Bakich, A. M.

× Balagura, V.

× Bedny, I.

× Bitenc, U.

× Kuzmin, A.

× Kwon, Y.-J.

× Lange, J. S.

× Lee, J. S.

× Lee, M. J.

× Lee, S. E.

× Lesiak, T.

× Limosani, A.

× Lin, S.-W.

× Liu, Y.

× Schneider, O.

× Liventsev, D.

× Mandl, F.

× Matyja, A.

× McOnie, S.

× Medvedeva, T.

× Mitaroff, W.

× Miyabayashi, K.

× Miyake, H.

× Miyata, H.

× Miyazaki, Y.

× Schwartz, A. J.

× Mizuk, R.

× Moloney, G. R.

× Nakano, E.

× Nakao, M.

× Nishida, S.

× Nitoh, O.

× Nozaki, T.

× Ogawa, S.

× Ohshima, T.

× Okuno, S.

× Senyo, K.

× Ozaki, H.

× Pakhlov, P.

× Pakhlova, G.

× Park, C.W.

× Park, H.

× Peak, L. S.

× Pestotnik, R.

× Piilonen, L. E.

× Sahoo, H.

× Sakai, Y.

× Shapkin, M.

× Shen, C. P.

× Shibuya, H.

× Shwartz, B.

× Singh, J. B.

× Somov, A.

× Stanic, S.

× Bondar, A.

× Staric, M.

× Sumiyoshi, T.

× Suzuki, S.Y.

× Takasaki, F.

× Tamai, K.

× Tanaka, M.

× Teramoto, Y.

× Tikhomirov, I.

× Uehara, S.

× Uglov, T.

× Bozek, A.

× Unno, Y.

× Uno, S.

× Urquijo, P.