Observation of a new charged charmoniumlike state in B¯0→J/ψK–π+ decays

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.; Chekelian, V.; Chen, A.; Cheon, B. G.; Chistov, R.; Cho, K.; Chobanova, V.; Choi, S. -K.; Choi, Y.; Cinabro, D.; Danilov, M.; Doležal, Z.; Drásal, Z.; Drutskoy, A.; Dutta, K.; Eidelman, S.; Epifanov, D.; Farhat, H.; Fast, J. E.; Ferber, T.; Frost, O.; Gaur, V.; Gabyshev, N.; Ganguly, S.; Garmash, A.; Gillard, R.; Goh, Y. M.; Golob, B.; Grzymkowska, O.; Haba, J.; Hara, T.; Hayasaka, K.; Hayashii, H.; He, X. H.; Hou, W. -S.; Huschle, M.; Hyun, H. J.; Ishikawa, A.; Itoh, R.; Iwasaki, Y.; Jaegle, I.; Joo, K. K.; Julius, T.; Kawasaki, T.; Kiesling, C.; Kim, D. Y.; Kim, H. J.; Kim, J. H.; Kim, M. J.; Kim, Y. J.; Kinoshita, K.; Ko, B. R.; Korpar, S.; Križan, P.; Krokovny, P.; Kuhr, T.; Kuzmin, A.; Kwon, Y. -J.; Lange, J. S.; Li, Y.; Li Gioi, L.; Libby, J.; Liu, Y.; Liventsev, D.; Lukin, P.; Miyabayashi, K.; Miyata, H.; Mohanty, G. B.; Moll, A.; Mori, T.; Mussa, R.; Nakano, E.; Nakao, M.; Nanut, T.; Natkaniec, Z.; Nedelkovska, E.; Nisar, N. K.; Nishida, S.; Ogawa, S.; Okuno, S.; Olsen, S. L.; Pakhlov, P.; Pakhlova, G.; Park, C. W.; Park, H.; Pedlar, T. K.; Petrič, M.; Piilonen, L. E.; 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, C. P.; Shibata, T. -A.; Shiu, J. -G.; Shwartz, B.; Sibidanov, A.; Simon, F.; Sohn, Y. -S.; 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, M. N.; Wang, C. H.; Wang, M. -Z.; Wang, P.; Wang, X. L.; Watanabe, Y.; Wehle, S.; Williams, K. M.; Won, E.; Yamaoka, J.; Yashchenko, S.; Zhang, Z. P.; Zhilich, V.; Zhulanov, V.; Zupanc, A.

doi:10.1103/PhysRevD.90.112009

Title: Observation of a new charged charmoniumlike state in ${\bar{B}}^{0} \to J / ψ K^{-} π^{+}$ decays

Journal Article · Tue Dec 16 00:00:00 EST 2014 · Physical Review. D, Particles, Fields, Gravitation and Cosmology

DOI:https://doi.org/10.1103/PhysRevD.90.112009· OSTI ID:1594470

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.; Chekelian, V. more »

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

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Research Organization:: Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), High Energy Physics (HEP)

Contributing Organization:: Belle Collaboration

Grant/Contract Number:: LG14034; SC0009973

OSTI ID:: 1594470

Alternate ID(s):: OSTI ID: 1180500

Journal Information:: Physical Review. D, Particles, Fields, Gravitation and Cosmology, Vol. 90, Issue 11; ISSN 1550-7998

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 153 works

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ϒ (1 S, 2 S) \to Z_{c}^{+} {Z_{c}^{(')}}^{-}

and

e^{+} e^{-} \to Z_{c}^{+} {Z_{c}^{(')}}^{-}

\sqrt{s} = 10.52

, 10.58, and 10.867 GeV

Journal Article · Thu Jun 14 00:00:00 EDT 2018 · Physical Review. D. · OSTI ID:1594470

Jia, S.; Shen, C. P.; Yuan, C. Z.; +178 more

Evidence for Exotic Hadron Contributions to

Λ_{b}^{0} \to J / ψ p π^{-}

Decays

Journal Article · Thu Aug 18 00:00:00 EDT 2016 · Physical Review Letters · OSTI ID:1594470

Aaij, R.; Abellán Beteta, C.; Adeva, B.; +740 more

Properties of

Z_{c}^{\pm} (3900)

produced in

p \bar{p}

collisions

Journal Article · Fri Jul 26 00:00:00 EDT 2019 · Physical Review D · OSTI ID:1594470

Abazov, V. M.; Abbott, B.; Acharya, B. S.; +369 more

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72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Title: Observation of a new charged charmoniumlike state in B ¯ 0 → J / ψ K – π + decays

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Title: Observation of a new charged charmoniumlike state in ${\bar{B}}^{0} \to J / ψ K^{-} π^{+}$ decays