Observation of a new charged charmoniumlike state in B ¯ 0 →j/ψK-π+ decays observation of a new charged charmoniumlike ... K. Chilikin et al.

K. Chilikin; R. Mizuk; I. Adachi; H. Aihara; S. Al Said; K. Arinstein; D. M. Asner; V. Aulchenko; T. Aushev; R. Ayad; T. Aziz; A. M. Bakich; V. Bansal; A. Bondar; G. Bonvicini; A. Bozek; M. Bračko; T. E. Browder; D. Červenkov; V. Chekelian; A. Chen; B. G. Cheon; R. Chistov; K. Cho; V. Chobanova; S. K. Choi; Y. Choi; D. Cinabro; M. Danilov; Z. DoleŽal; Z. Drásal; A. Drutskoy; K. Dutta; S. Eidelman; D. Epifanov; H. Farhat; J. E. Fast; T. Ferber; O. Frost; V. Gaur; N. Gabyshev; S. Ganguly; A. Garmash; R. Gillard; Y. M. Goh; B. Golob; O. Grzymkowska; J. Haba; T. Hara; K. Hayasaka; H. Hayashii; X. H. He; W. S. Hou; M. Huschle; H. J. Hyun; A. Ishikawa; R. Itoh; Y. Iwasaki; I. Jaegle; K. K. Joo; T. Julius; T. Kawasaki; C. Kiesling; D. Y. Kim; H. J. Kim; J. H. Kim; M. J. Kim; Y. J. Kim; K. Kinoshita; B. R. Ko; S. Korpar; P. KriŽan; P. Krokovny; T. Kuhr; A. Kuzmin; Y. J. Kwon; J. S. Lange; Y. Li; L. Li Gioi; J. Libby; Y. Liu; D. Liventsev; P. Lukin; K. Miyabayashi; H. Miyata; G. B. Mohanty; A. Moll; T. Mori; R. Mussa; E. Nakano; M. Nakao; T. Nanut; Z. Natkaniec; E. Nedelkovska; N. K. Nisar; S. Nishida; S. Ogawa; S. Okuno; S. L. Olsen; P. Pakhlov; G. Pakhlova; C. W. Park; H. Park; T. K. Pedlar; M. Petrič; L. E. Piilonen; E. RibeŽl; M. Ritter; A. Rostomyan; Y. Sakai; S. Sandilya; L. Santelj; T. Sanuki; Y. Sato; V. Savinov; O. Schneider; G. Schnell; C. Schwanda; O. Seon; V. Shebalin; C. P. Shen; T. A. Shibata; J. G. Shiu; B. Shwartz; A. Sibidanov; F. Simon; Y. S. Sohn; A. Sokolov; E. Solovieva; M. Starič; M. Steder; K. Sumisawa; T. Sumiyoshi; U. Tamponi; K. Tanida; G. Tatishvili; Y. Teramoto; F. Thorne; K. Trabelsi; M. Uchida; S. Uehara; T. Uglov; Y. Unno; S. Uno; P. Urquijo; C. Van Hulse; P. Vanhoefer; G. Varner; A. Vinokurova; M. N. Wagner; C. H. Wang; M. Z. Wang; P. Wang; X. L. Wang; Y. Watanabe; S. Wehle; K. M. Williams; E. Won; J. Yamaoka; S. Yashchenko; Z. P. Zhang; V. Zhilich; V. Zhulanov; A. Zupanc

doi:10.1103/PhysRevD.90.112009

Observation of a new charged charmoniumlike state in B ¯ 0 →j/ψK-π+ decays observation of a new charged charmoniumlike ... K. Chilikin et al.

K. Chilikin
, R. Mizuk
, I. Adachi
, H. Aihara
, S. Al Said
, K. Arinstein
, D. M. Asner
, V. Aulchenko
, T. Aushev
, R. Ayad
, T. Aziz
, A. M. Bakich
, V. Bansal
, A. Bondar
, G. Bonvicini
, A. Bozek
, M. Bračko
, T. E. Browder
, D. Červenkov
, V. Chekelian

A. Chen, B. G. Cheon, R. Chistov, K. Cho, V. Chobanova, S. K. Choi, Y. Choi, D. Cinabro, M. Danilov, Z. DoleŽal, Z. Drásal, A. Drutskoy, K. Dutta, S. Eidelman, D. Epifanov, H. Farhat, J. E. Fast, T. Ferber, O. Frost, V. Gaur, N. Gabyshev, S. Ganguly, A. Garmash, R. Gillard, Y. M. Goh, B. Golob, O. Grzymkowska, J. Haba, T. Hara, K. Hayasaka, H. Hayashii, X. H. He, W. S. Hou, M. Huschle, H. J. Hyun, A. Ishikawa, R. Itoh, Y. Iwasaki, I. Jaegle, K. K. Joo, T. Julius, T. Kawasaki, C. Kiesling, D. Y. Kim, H. J. Kim, J. H. Kim, M. J. Kim, Y. J. Kim, K. Kinoshita, B. R. Ko, S. Korpar, P. KriŽan, P. Krokovny, T. Kuhr, A. Kuzmin, Y. J. Kwon, J. S. Lange, Y. Li, L. Li Gioi, J. Libby, Y. Liu, D. Liventsev, P. Lukin, K. Miyabayashi, H. Miyata, G. B. Mohanty, A. Moll, T. Mori, R. Mussa, E. Nakano, M. Nakao, T. Nanut, Z. Natkaniec, E. Nedelkovska, N. K. Nisar, S. Nishida, S. Ogawa, S. Okuno, S. L. Olsen, P. Pakhlov, G. Pakhlova, C. W. Park, H. Park, T. K. Pedlar, M. Petrič, L. E. Piilonen, E. RibeŽl, M. Ritter, A. Rostomyan, Y. Sakai, S. Sandilya, L. Santelj, T. Sanuki, Y. Sato, V. Savinov, O. Schneider, G. Schnell, C. Schwanda, O. Seon, V. Shebalin, C. P. Shen, T. A. Shibata, J. G. Shiu, B. Shwartz, A. Sibidanov, F. Simon, Y. S. Sohn, A. Sokolov, E. Solovieva, M. Starič, M. Steder, K. Sumisawa, T. Sumiyoshi, U. Tamponi, K. Tanida, G. Tatishvili, Y. Teramoto, F. Thorne, K. Trabelsi, M. Uchida, S. Uehara, T. Uglov, Y. Unno, S. Uno, P. Urquijo, C. Van Hulse, P. Vanhoefer, G. Varner, A. Vinokurova, M. N. Wagner, C. H. Wang, M. Z. Wang, P. Wang, X. L. Wang, Y. Watanabe, S. Wehle, K. M. Williams, E. Won, J. Yamaoka, S. Yashchenko, Z. P. Zhang, V. Zhilich, V. Zhulanov, A. Zupanc

Alikhanov Institute for Theoretical and Experimental Physics
Moscow Engineering Physics Institute
The Graduate University for Advanced Studies
High Energy Accelerator Research Organization, Tsukuba
The University of Tokyo
King Abdulaziz University
University of Tabuk
Novosibirsk State University
Pacific Northwest National Laboratory
Tata Institute of Fundamental Research
The University of Sydney
Wayne State University
H. Niewodniczanski Institute of Nuclear Physics
Jožef Stefan Institute
University of Maribor
University of Hawai'i at Mānoa
Charles University
Max Planck Institute for Physics (Werner Heisenberg Institute)
National Central University
Hanyang University
Korea Institute of Science and Technology Information
Gyeongsang National University
Sungkyunkwan University
Indian Institute of Technology Guwahati
German Electron Synchrotron
University of Ljubljana
Nagoya University
Nara Women's University
Peking University
National Taiwan University
Karlsruhe Institute of Technology
Kyungpook National University
Tohoku University
Chonnam National University
University of Melbourne
Niigata University
Soongsil University
University of Cincinnati
Korea University
Yonsei University
Justus Liebig University Giessen
Virginia Polytechnic Institute and State University
Indian Institute of Technology Madras
Technische Universität München
National Institute for Nuclear Physics
Osaka Metropolitan University
Toho University
Kanagawa University
Seoul National University
Luther College, Decorah
University of Pittsburgh
Swiss Federal Institute of Technology Lausanne
University of the Basque Country
Ikerbasque Basque Foundation for Science
Austrian Academy of Sciences
Beihang University
Institute of Science Tokyo
Institute for High Energy Physics
Tokyo Metropolitan University
University of Turin
Moscow Institute of Physics and Technology
University of Bonn
National United University Taiwan
CAS - Institute of High Energy Physics
University of Science and Technology of China

Research output: Contribution to journal › Article › peer-review

191 Scopus citations

Abstract

We present the results of an amplitude analysis of B¯0→J/ψK-π+ decays. A new charged charmoniumlike state Zc(4200)+ decaying to J/ψπ+ is observed with a significance of 6.2σ. The mass and width of the Zc(4200)+ are 4196-29-13+31+17MeV/c2 and 370-70-132+70+70MeV, respectively; the preferred assignment of the quantum numbers is JP=1+. In addition, we find evidence for Zc(4430)+→J/ψπ+. The analysis is based on a 711fb-1 data sample collected by the Belle detector at the asymmetric-energy e+e- collider KEKB.

Original language	English
Article number	112009
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	90
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevD.90.112009
State	Published - 16 Dec 2014

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10.1103/PhysRevD.90.112009

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Chilikin, K., Mizuk, R., Adachi, I., Aihara, H., Al Said, S., Arinstein, K., Asner, D. M., Aulchenko, V., Aushev, T., Ayad, R., Aziz, T., Bakich, A. M., Bansal, V., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Červenkov, D., ... Zupanc, A. (2014). Observation of a new charged charmoniumlike state in B ¯ 0 →j/ψK-π+ decays observation of a new charged charmoniumlike ... K. Chilikin et al. Physical Review D - Particles, Fields, Gravitation and Cosmology, 90(11), Article 112009. https://doi.org/10.1103/PhysRevD.90.112009

@article{12049ca57c0849689c57c25a83020462,

title = "Observation of a new charged charmoniumlike state in B ¯ 0 →j/ψK-π+ decays observation of a new charged charmoniumlike ... K. Chilikin et al.",

abstract = "We present the results of an amplitude analysis of B¯0→J/ψK-π+ decays. A new charged charmoniumlike state Zc(4200)+ decaying to J/ψπ+ is observed with a significance of 6.2σ. The mass and width of the Zc(4200)+ are 4196-29-13+31+17MeV/c2 and 370-70-132+70+70MeV, respectively; the preferred assignment of the quantum numbers is JP=1+. In addition, we find evidence for Zc(4430)+→J/ψπ+. The analysis is based on a 711fb-1 data sample collected by the Belle detector at the asymmetric-energy e+e- collider KEKB.",

author = "K. Chilikin and R. Mizuk and I. Adachi and H. Aihara and \{Al Said\}, S. and K. Arinstein and Asner, \{D. M.\} and V. Aulchenko and T. Aushev and R. Ayad and T. Aziz and Bakich, \{A. M.\} and V. Bansal and A. Bondar and G. Bonvicini and A. Bozek and M. Bra{\v c}ko and Browder, \{T. E.\} and D. {\v C}ervenkov and V. Chekelian and A. Chen and Cheon, \{B. G.\} and R. Chistov and K. Cho and V. Chobanova and Choi, \{S. K.\} and Y. Choi and D. Cinabro and M. Danilov and Z. Dole{\v Z}al and Z. Dr{\'a}sal and A. Drutskoy and K. Dutta and S. Eidelman and D. Epifanov and H. Farhat and Fast, \{J. E.\} and T. Ferber and O. Frost and V. Gaur and N. Gabyshev and S. Ganguly and A. Garmash and R. Gillard and Goh, \{Y. M.\} and B. Golob and O. Grzymkowska and J. Haba and T. Hara and K. Hayasaka and H. Hayashii and He, \{X. H.\} and Hou, \{W. S.\} and M. Huschle and Hyun, \{H. J.\} and A. Ishikawa and R. Itoh and Y. Iwasaki and I. Jaegle and Joo, \{K. K.\} and T. Julius and T. Kawasaki and C. Kiesling and Kim, \{D. Y.\} and Kim, \{H. J.\} and Kim, \{J. H.\} and Kim, \{M. J.\} and Kim, \{Y. J.\} and K. Kinoshita and Ko, \{B. R.\} and S. Korpar and P. Kri{\v Z}an and P. Krokovny and T. Kuhr and A. Kuzmin and Kwon, \{Y. J.\} and Lange, \{J. S.\} and Y. Li and \{Li Gioi\}, L. and J. Libby and Y. Liu and D. Liventsev and P. Lukin and K. Miyabayashi and H. Miyata and Mohanty, \{G. B.\} and A. Moll and T. Mori and R. Mussa and E. Nakano and M. Nakao and T. Nanut and Z. Natkaniec and E. Nedelkovska and Nisar, \{N. K.\} and S. Nishida and S. Ogawa and S. Okuno and Olsen, \{S. L.\} and P. Pakhlov and G. Pakhlova and Park, \{C. W.\} and H. Park and Pedlar, \{T. K.\} and M. Petri{\v c} and Piilonen, \{L. E.\} and E. Ribe{\v Z}l and M. Ritter and A. Rostomyan and Y. Sakai and S. Sandilya and L. Santelj and T. Sanuki and Y. Sato and V. Savinov and O. Schneider and G. Schnell and C. Schwanda and O. Seon and V. Shebalin and Shen, \{C. P.\} and Shibata, \{T. A.\} and Shiu, \{J. G.\} and B. Shwartz and A. Sibidanov and F. Simon and Sohn, \{Y. S.\} and A. Sokolov and E. Solovieva and M. Stari{\v c} and M. Steder and K. Sumisawa and T. Sumiyoshi and U. Tamponi and K. Tanida and G. Tatishvili and Y. Teramoto and F. Thorne and K. Trabelsi and M. Uchida and S. Uehara and T. Uglov and Y. Unno and S. Uno and P. Urquijo and \{Van Hulse\}, C. and P. Vanhoefer and G. Varner and A. Vinokurova and Wagner, \{M. N.\} and Wang, \{C. H.\} and Wang, \{M. Z.\} and P. Wang and Wang, \{X. L.\} and Y. Watanabe and S. Wehle and Williams, \{K. M.\} and E. Won and J. Yamaoka and S. Yashchenko and Zhang, \{Z. P.\} and V. Zhilich and V. Zhulanov and A. Zupanc",

note = "Publisher Copyright: {\textcopyright} 2014 American Physical Society.",

year = "2014",

month = dec,

day = "16",

doi = "10.1103/PhysRevD.90.112009",

language = "English",

volume = "90",

journal = "Physical Review D - Particles, Fields, Gravitation and Cosmology",

issn = "1550-7998",

publisher = "American Physical Society",

number = "11",

}

Chilikin, K, Mizuk, R, Adachi, I, Aihara, H, Al Said, S, Arinstein, K, Asner, DM, Aulchenko, V, Aushev, T, Ayad, R, Aziz, T, Bakich, AM, Bansal, V, Bondar, A, Bonvicini, G, Bozek, A, Bračko, M, Browder, TE, Červenkov, D, Chekelian, V, Chen, A, Cheon, BG, Chistov, R, Cho, K, Chobanova, V, Choi, SK, Choi, Y, Cinabro, D, Danilov, M, DoleŽal, Z, Drásal, Z, Drutskoy, A, Dutta, K, Eidelman, S, Epifanov, D, Farhat, H, Fast, JE, Ferber, T, Frost, O, Gaur, V, Gabyshev, N, Ganguly, S, Garmash, A, Gillard, R, Goh, YM, Golob, B, Grzymkowska, O, Haba, J, Hara, T, Hayasaka, K, Hayashii, H, He, XH, Hou, WS, Huschle, M, Hyun, HJ, Ishikawa, A, Itoh, R, Iwasaki, Y, Jaegle, I, Joo, KK, Julius, T, Kawasaki, T, Kiesling, C, Kim, DY, Kim, HJ, Kim, JH, Kim, MJ, Kim, YJ, Kinoshita, K, Ko, BR, Korpar, S, KriŽan, P, Krokovny, P, Kuhr, T, Kuzmin, A, Kwon, YJ, Lange, JS, Li, Y, Li Gioi, L, Libby, J, Liu, Y, Liventsev, D, Lukin, P, Miyabayashi, K, Miyata, H, Mohanty, GB, Moll, A, Mori, T, Mussa, R, Nakano, E, Nakao, M, Nanut, T, Natkaniec, Z, Nedelkovska, E, Nisar, NK, Nishida, S, Ogawa, S, Okuno, S, Olsen, SL, Pakhlov, P, Pakhlova, G, Park, CW, Park, H, Pedlar, TK, Petrič, M, Piilonen, LE, RibeŽl, E, Ritter, M, Rostomyan, A, Sakai, Y, Sandilya, S, Santelj, L, Sanuki, T, Sato, Y, Savinov, V, Schneider, O, Schnell, G, Schwanda, C, Seon, O, Shebalin, V, Shen, CP, Shibata, TA, Shiu, JG, Shwartz, B, Sibidanov, A, Simon, F, Sohn, YS, Sokolov, A, Solovieva, E, Starič, M, Steder, M, Sumisawa, K, Sumiyoshi, T, Tamponi, U, Tanida, K, Tatishvili, G, Teramoto, Y, Thorne, F, Trabelsi, K, Uchida, M, Uehara, S, Uglov, T, Unno, Y, Uno, S, Urquijo, P, Van Hulse, C, Vanhoefer, P, Varner, G, Vinokurova, A, Wagner, MN, Wang, CH, Wang, MZ, Wang, P, Wang, XL, Watanabe, Y, Wehle, S, Williams, KM, Won, E, Yamaoka, J, Yashchenko, S, Zhang, ZP, Zhilich, V, Zhulanov, V & Zupanc, A 2014, 'Observation of a new charged charmoniumlike state in B ¯ 0 →j/ψK-π+ decays observation of a new charged charmoniumlike ... K. Chilikin et al.', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 90, no. 11, 112009. https://doi.org/10.1103/PhysRevD.90.112009

TY - JOUR

T1 - Observation of a new charged charmoniumlike state in B ¯ 0 →j/ψK-π+ decays observation of a new charged charmoniumlike ... K. Chilikin et al.

AU - Chilikin, K.

AU - Mizuk, R.

AU - Adachi, I.

AU - Aihara, H.

AU - Al Said, S.

AU - Arinstein, K.

AU - Asner, D. M.

AU - Aulchenko, V.

AU - Aushev, T.

AU - Ayad, R.

AU - Aziz, T.

AU - Bakich, A. M.

AU - Bansal, V.

AU - Bondar, A.

AU - Bonvicini, G.

AU - Bozek, A.

AU - Bračko, M.

AU - Browder, T. E.

AU - Červenkov, D.

AU - Chekelian, V.

AU - Chen, A.

AU - Cheon, B. G.

AU - Chistov, R.

AU - Cho, K.

AU - Chobanova, V.

AU - Choi, S. K.

AU - Choi, Y.

AU - Cinabro, D.

AU - Danilov, M.

AU - DoleŽal, Z.

AU - Drásal, Z.

AU - Drutskoy, A.

AU - Dutta, K.

AU - Eidelman, S.

AU - Epifanov, D.

AU - Farhat, H.

AU - Fast, J. E.

AU - Ferber, T.

AU - Frost, O.

AU - Gaur, V.

AU - Gabyshev, N.

AU - Ganguly, S.

AU - Garmash, A.

AU - Gillard, R.

AU - Goh, Y. M.

AU - Golob, B.

AU - Grzymkowska, O.

AU - Haba, J.

AU - Hara, T.

AU - Hayasaka, K.

AU - Hayashii, H.

AU - He, X. H.

AU - Hou, W. S.

AU - Huschle, M.

AU - Hyun, H. J.

AU - Ishikawa, A.

AU - Itoh, R.

AU - Iwasaki, Y.

AU - Jaegle, I.

AU - Joo, K. K.

AU - Julius, T.

AU - Kawasaki, T.

AU - Kiesling, C.

AU - Kim, D. Y.

AU - Kim, H. J.

AU - Kim, J. H.

AU - Kim, M. J.

AU - Kim, Y. J.

AU - Kinoshita, K.

AU - Ko, B. R.

AU - Korpar, S.

AU - KriŽan, P.

AU - Krokovny, P.

AU - Kuhr, T.

AU - Kuzmin, A.

AU - Kwon, Y. J.

AU - Lange, J. S.

AU - Li, Y.

AU - Li Gioi, L.

AU - Libby, J.

AU - Liu, Y.

AU - Liventsev, D.

AU - Lukin, P.

AU - Miyabayashi, K.

AU - Miyata, H.

AU - Mohanty, G. B.

AU - Moll, A.

AU - Mori, T.

AU - Mussa, R.

AU - Nakano, E.

AU - Nakao, M.

AU - Nanut, T.

AU - Natkaniec, Z.

AU - Nedelkovska, E.

AU - Nisar, N. K.

AU - Nishida, S.

AU - Ogawa, S.

AU - Okuno, S.

AU - Olsen, S. L.

AU - Pakhlov, P.

AU - Pakhlova, G.

AU - Park, C. W.

AU - Park, H.

AU - Pedlar, T. K.

AU - Petrič, M.

AU - Piilonen, L. E.

AU - RibeŽl, E.

AU - Ritter, M.

AU - Rostomyan, A.

AU - Sakai, Y.

AU - Sandilya, S.

AU - Santelj, L.

AU - Sanuki, T.

AU - Sato, Y.

AU - Savinov, V.

AU - Schneider, O.

AU - Schnell, G.

AU - Schwanda, C.

AU - Seon, O.

AU - Shebalin, V.

AU - Shen, C. P.

AU - Shibata, T. A.

AU - Shiu, J. G.

AU - Shwartz, B.

AU - Sibidanov, A.

AU - Simon, F.

AU - Sohn, Y. S.

AU - Sokolov, A.

AU - Solovieva, E.

AU - Starič, M.

AU - Steder, M.

AU - Sumisawa, K.

AU - Sumiyoshi, T.

AU - Tamponi, U.

AU - Tanida, K.

AU - Tatishvili, G.

AU - Teramoto, Y.

AU - Thorne, F.

AU - Trabelsi, K.

AU - Uchida, M.

AU - Uehara, S.

AU - Uglov, T.

AU - Unno, Y.

AU - Uno, S.

AU - Urquijo, P.

AU - Van Hulse, C.

AU - Vanhoefer, P.

AU - Varner, G.

AU - Vinokurova, A.

AU - Wagner, M. N.

AU - Wang, C. H.

AU - Wang, M. Z.

AU - Wang, P.

AU - Wang, X. L.

AU - Watanabe, Y.

AU - Wehle, S.

AU - Williams, K. M.

AU - Won, E.

AU - Yamaoka, J.

AU - Yashchenko, S.

AU - Zhang, Z. P.

AU - Zhilich, V.

AU - Zhulanov, V.

AU - Zupanc, A.

PY - 2014/12/16

Y1 - 2014/12/16

N2 - We present the results of an amplitude analysis of B¯0→J/ψK-π+ decays. A new charged charmoniumlike state Zc(4200)+ decaying to J/ψπ+ is observed with a significance of 6.2σ. The mass and width of the Zc(4200)+ are 4196-29-13+31+17MeV/c2 and 370-70-132+70+70MeV, respectively; the preferred assignment of the quantum numbers is JP=1+. In addition, we find evidence for Zc(4430)+→J/ψπ+. The analysis is based on a 711fb-1 data sample collected by the Belle detector at the asymmetric-energy e+e- collider KEKB.

AB - We present the results of an amplitude analysis of B¯0→J/ψK-π+ decays. A new charged charmoniumlike state Zc(4200)+ decaying to J/ψπ+ is observed with a significance of 6.2σ. The mass and width of the Zc(4200)+ are 4196-29-13+31+17MeV/c2 and 370-70-132+70+70MeV, respectively; the preferred assignment of the quantum numbers is JP=1+. In addition, we find evidence for Zc(4430)+→J/ψπ+. The analysis is based on a 711fb-1 data sample collected by the Belle detector at the asymmetric-energy e+e- collider KEKB.

UR - https://www.scopus.com/pages/publications/84919359975

U2 - 10.1103/PhysRevD.90.112009

DO - 10.1103/PhysRevD.90.112009

M3 - Article

AN - SCOPUS:84919359975

SN - 1550-7998

VL - 90

JO - Physical Review D - Particles, Fields, Gravitation and Cosmology

JF - Physical Review D - Particles, Fields, Gravitation and Cosmology

IS - 11

M1 - 112009

ER -

Observation of a new charged charmoniumlike state in B ¯ 0 →j/ψK-π+ decays observation of a new charged charmoniumlike ... K. Chilikin et al.

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