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Observation of X(3872)→J/ψγ and search for X(3872)→ψ'γ in B decays.

Publication ,  Journal Article
Bhardwaj, V; Trabelsi, K; Singh, JB; Choi, S-K; Olsen, SL; Adachi, I; Adamczyk, K; Asner, DM; Aulchenko, V; Aushev, T; Aziz, T; Bakich, AM ...
Published in: Physical review letters
August 2011

We report a study of B→(J/ψγ)K and B→(ψ'γ)K decay modes using 772×10⁶ B ̅B events collected at the Υ(4S) resonance with the Belle detector at the KEKB energy-asymmetric e(+)e(-) collider. We observe X(3872)→J/ψγ and report the first evidence for χ(c2)→J/ψγ in B→(X_{c ̅cγ)K decays, while in a search for X(3872)→ψ'γ no significant signal is found. We measure the branching fractions, B(B(±)→X(3872)K(±))B(X(3872)→J/ψγ)=(1.78(-0.44)(+0.48)±0.12)×10(-6), B(B(±)→χ(c2)K(±))=(1.11(-0.34)(+0.36)±0.09)×10(-5), B(B(±)→X(3872)K(±))B(X(3872)→ψ'γ)<3.45×10⁶ (upper limit at 90% C.L.), and also provide upper limits for other searches.

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Published In

Physical review letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

August 2011

Volume

107

Issue

9

Start / End Page

091803

Related Subject Headings

  • General Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences
 

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Bhardwaj, V., Trabelsi, K., Singh, J. B., Choi, S.-K., Olsen, S. L., Adachi, I., … Belle Collaboration, . (2011). Observation of X(3872)→J/ψγ and search for X(3872)→ψ'γ in B decays. Physical Review Letters, 107(9), 091803. https://doi.org/10.1103/physrevlett.107.091803
Bhardwaj, V., K. Trabelsi, J. B. Singh, S. -. K. Choi, S. L. Olsen, I. Adachi, K. Adamczyk, et al. “Observation of X(3872)→J/ψγ and search for X(3872)→ψ'γ in B decays.Physical Review Letters 107, no. 9 (August 2011): 091803. https://doi.org/10.1103/physrevlett.107.091803.
Bhardwaj V, Trabelsi K, Singh JB, Choi S-K, Olsen SL, Adachi I, et al. Observation of X(3872)→J/ψγ and search for X(3872)→ψ'γ in B decays. Physical review letters. 2011 Aug;107(9):091803.
Bhardwaj, V., et al. “Observation of X(3872)→J/ψγ and search for X(3872)→ψ'γ in B decays.Physical Review Letters, vol. 107, no. 9, Aug. 2011, p. 091803. Epmc, doi:10.1103/physrevlett.107.091803.
Bhardwaj V, Trabelsi K, Singh JB, Choi S-K, Olsen SL, Adachi I, Adamczyk K, Asner DM, Aulchenko V, Aushev T, Aziz T, Bakich AM, Barberio E, Belous K, Bhuyan B, Bischofberger M, Bondar A, Bračko M, Brodzicka J, Browder TE, Chen A, Chen P, Cheon BG, Cho K, Choi Y, Dalseno J, Doležal Z, Eidelman S, Epifanov D, Gaur V, Gabyshev N, Golob B, Haba J, Hayasaka K, Hayashii H, Horii Y, Hoshi Y, Hou W-S, Hsiung YB, Hyun HJ, Iijima T, Inami K, Ishikawa A, Iwabuchi M, Iwasaki Y, Iwashita T, Joshi NJ, Julius T, Kang JH, Kawasaki T, Kiesling C, Kim HO, Kim JB, Kim JH, Kim KT, Kim MJ, Kim SK, Kim YJ, Kinoshita K, Ko BR, Kobayashi N, Korpar S, Križan P, Kumar R, Kumita T, Kuzmin A, Kwon Y-J, Lange JS, Lee MJ, Lee S-H, Li Y, Libby J, Lim C-L, Liventsev D, Louvot R, Matvienko D, McOnie S, Miyabayashi K, Miyata H, Miyazaki Y, Mizuk R, Mohanty GB, Mussa R, Nakano E, Nakao M, Nakazawa H, Natkaniec Z, Ng C, Nishida S, Nitoh O, Nozaki T, Ohshima T, Okuno S, Onuki Y, Pakhlova G, Park CW, Park HK, Pestotnik R, Petrič M, Piilonen LE, Röhrken M, Sahoo H, Sakai K, Sakai Y, Sanuki T, Schneider O, Schwanda C, Seon O, Shapkin M, Shebalin V, Shibata T-A, Shiu J-G, Shwartz B, Smerkol P, Sohn Y-S, Sokolov A, Solovieva E, Stanič S, Starič M, Sumiyoshi T, Tatishvili G, Teramoto Y, Uchida M, Uehara S, Uglov T, Unno Y, Uno S, Usov Y, Varner G, Vossen A, Wang XL, Watanabe M, Watanabe Y, Williams KM, Yabsley BD, Yamashita Y, Yuan CZ, Zhang CC, Zhang ZP, Zhilich V, Zhou P, Zhulanov V, Zupanc A, Belle Collaboration. Observation of X(3872)→J/ψγ and search for X(3872)→ψ'γ in B decays. Physical review letters. 2011 Aug;107(9):091803.

Published In

Physical review letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

August 2011

Volume

107

Issue

9

Start / End Page

091803

Related Subject Headings

  • General Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences