Study of e+e-→π+π-J/ψ and Observation of a Charged Charmoniumlike State at Belle

Liu, Z. Q.; Shen, C. P.; Yuan, C. Z.; Adachi, I.; Aihara, H.; Asner, D. M.; Aulchenko, V.; Aushev, T.; Aziz, T.; Bakich, A. M.; Bala, A.; Belous, K.; Bhardwaj, V.; Bhuyan, B.; Bischofberger, M.; Bondar, A.; Bonvicini, G.; Bozek, A.; Bračko, M.; Brodzicka, J.; Browder, T. E.; Chang, P.; Chekelian, V.; Chen, A.; Chen, P.; Cheon, B. G.; Chistov, R.; Cho, K.; Chobanova, V.; Choi, S. -K.; Choi, Y.; Cinabro, D.; Dalseno, J.; Danilov, M.; Doležal, Z.; Drásal, Z.; Drutskoy, A.; Dutta, D.; Dutta, K.; Eidelman, S.; Epifanov, D.; Farhat, H.; Fast, J. E.; Feindt, M.; Ferber, T.; Frey, A.; Gaur, V.; Gabyshev, N.; Ganguly, S.; Gillard, R.; Goh, Y. M.; Golob, B.; Haba, J.; Hayasaka, K.; Hayashii, H.; Horii, Y.; Hoshi, Y.; Hou, W. -S.; Hsiung, Y. B.; Hyun, H. J.; Iijima, T.; Inami, K.; Ishikawa, A.; Itoh, R.; Iwasaki, Y.; Joffe, D.; Julius, T.; Kah, D. H.; Kang, J. H.; Kawasaki, T.; Kiesling, C.; Kim, H. J.; Kim, J. B.; Kim, J. H.; Kim, K. T.; Kim, M. J.; Kim, Y. J.; Kinoshita, K.; Klucar, J.; Ko, B. R.; Kodyš, P.; Korpar, S.; Križan, P.; Krokovny, P.; Kuhr, T.; Kwon, Y. -J.; Lange, J. S.; Lee, S. -H.; Li, J.; Li, Y.; Libby, J.; Liu, C.; Lukin, P.; Matvienko, D.; Miyabayashi, K.; Miyata, H.; Mizuk, R.; Mohanty, G. B.; Moll, A.; Mussa, R.; Nakano, E.; Nakao, M.; Nakazawa, H.; Natkaniec, Z.; Nayak, M.; Nedelkovska, E.; Nisar, N. K.; Nishida, S.; Nitoh, O.; Ogawa, S.; Okuno, S.; Olsen, S. L.; Onuki, Y.; Ostrowicz, W.; Oswald, C.; Pakhlov, P.; Pakhlova, G.; Park, H.; Park, H. K.; Pedlar, T. K.; Pestotnik, R.; Petrič, M.; Piilonen, L. E.; Ritter, M.; Röhrken, M.; Rostomyan, A.; Sahoo, H.; Saito, T.; Sakai, Y.; Sandilya, S.; Santel, D.; Sanuki, T.; Sato, Y.; Savinov, V.; Schneider, O.; Schnell, G.; Schwanda, C.; Seidl, R.; Semmler, D.; Senyo, K.; Seon, O.; Sevior, M. E.; Shapkin, M.; Shibata, T. -A.; Shiu, J. -G.; Shwartz, B.; Sibidanov, A.; Simon, F.; Smerkol, P.; Sohn, Y. -S.; Sokolov, A.; Solovieva, E.; Starič, M.; Steder, M.; Sumihama, M.; Sumiyoshi, T.; Tamponi, U.; Tanida, K.; Tatishvili, G.; Teramoto, Y.; Trabelsi, K.; Tsuboyama, T.; Uchida, M.; Uehara, S.; Uglov, T.; Unno, Y.; Uno, S.; Vahsen, S. E.; Van Hulse, C.; Vanhoefer, P.; Varner, G.; Varvell, K. E.; Vorobyev, V.; Wagner, M. N.; Wang, C. H.; Wang, M. -Z.; Wang, P.; Wang, X. L.; Watanabe, M.; Watanabe, Y.; Won, E.; Yabsley, B. D.; Yamaoka, J.; Yamashita, Y.; Yashchenko, S.; Yook, Y.; Yusa, Y.; Zhang, C. C.; Zhang, Z. P.; Zhilich, V.; Zupanc, A.

doi:10.1103/PhysRevLett.110.252002

Title: Study of $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ and Observation of a Charged Charmoniumlike State at Belle

Journal Article · Mon Jun 17 00:00:00 EDT 2013 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.110.252002· OSTI ID:1594512

Liu, Z. Q.; Shen, C. P.; Yuan, C. Z.; Adachi, I.; Aihara, H.; Asner, D. M.; Aulchenko, V.; Aushev, T.; Aziz, T.; Bakich, A. M.; Bala, A.; Belous, K.; Bhardwaj, V.; Bhuyan, B.; Bischofberger, M.; Bondar, A.; Bonvicini, G.; Bozek, A.; Bračko, M.; Brodzicka, J. more »

The cross section for $e^+e^-→π^+π^-J/ψ$ between 3.8 GeV and 5.5 GeV is measured with a 967 fb^-1 data sample collected by the Belle detector at or near the $$\Upsilon(nS)$$ ($n=1, 2, ..., 5$) resonances. The $$\Upsilon$$(4260) state is observed, and its resonance parameters are determined. In addition, an excess of $π^+π^-J/ψ$ production around 4 GeV is observed. This feature can be described by a Breit-Wigner parameterization with properties that are consistent with the $$\Upsilon$$(4008) state that was previously reported by Belle. In a study of $$\Upsilon$$(4260)→$π^+π^-J/ψ$ decays, a structure is observed in the $$M(\pi^{\pm}J/ψ)$$ mass spectrum with 5.2$$σ$$ significance, with mass M=(3894.5±6.6±4.5)MeV/$c^2$ and width $$Γ$$=(63±24±26) MeV/$c^2$, where the errors are statistical and systematic, respectively. This structure can be interpreted as a new charged charmonium-like state.

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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:: SC0009973

OSTI ID:: 1594512

Alternate ID(s):: OSTI ID: 1103822

Journal Information:: Physical Review Letters, Vol. 110, Issue 25; ISSN 0031-9007

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Dynamically generated $J^{P} = 1 / 2^{-} (3 / 2^{-})$ singly charmed and bottom heavy baryons Lu, Jun-Xu; Zhou, Yu; Chen, Hua-Xing Physical Review D, Vol. 92, Issue 1 https://doi.org/10.1103/physrevd.92.014036	journal	July 2015
Possible hadronic molecules composed of the doubly charmed baryon and nucleon Meng, Lu; Li, Ning; Zhu, Shi-Lin The European Physical Journal A, Vol. 54, Issue 9 https://doi.org/10.1140/epja/i2018-12578-2	journal	September 2018
Estimating the mass of the hidden charm $$1^+(1^{+})$$ 1 + ( 1 + ) tetraquark state via QCD sum rules Qiao, Cong- Feng; Tang, Liang The European Physical Journal C, Vol. 74, Issue 10 https://doi.org/10.1140/epjc/s10052-014-3122-x	journal	October 2014
Interference effect as resonance killer of newly observed charmoniumlike states Y(4320) and Y(4390) Chen, Dian-Yong; Liu, Xiang; Matsuki, Takayuki The European Physical Journal C, Vol. 78, Issue 2 https://doi.org/10.1140/epjc/s10052-018-5635-1	journal	February 2018
Precision resonance energy scans with the PANDA experiment at FAIR Barucca, G.; Davı, F.; Lancioni, G. GSI Helmholtzzentrum fuer Schwerionenforschung, GSI, Darmstadt https://doi.org/10.15120/gsi-2019-00741	text	January 2019
Evidence for Z±c(3900) in semi-inclusive decays of b-flavored hadrons Abazov, Victor Mukhamedovich; Abbott, Braden Keim; Acharya, Bannanje Sripath RWTH Aachen University https://doi.org/10.18154/rwth-2018-229989	text	January 2018
The BESIII physics programme Yuan, Chang-Zheng; Olsen, Stephen Lars Nature Reviews Physics, Vol. 1, Issue 8 https://doi.org/10.1038/s42254-019-0082-y	journal	July 2019
A new hadron spectroscopy Olsen, Stephen Lars XITH CONFERENCE ON QUARK CONFINEMENT AND HADRON SPECTRUM, AIP Conference Proceedings https://doi.org/10.1063/1.4938657	conference	January 2016
Exotic hadrons with heavy flavors: X , Y , Z , and related states Hosaka, Atsushi; Iijima, Toru; Miyabayashi, Kenkichi Progress of Theoretical and Experimental Physics, Vol. 2016, Issue 6 https://doi.org/10.1093/ptep/ptw045	journal	June 2016
Exotic pentaquark states with the $q q Q Q \bar{Q}$ configuration An, Hong-Tao; Zhou, Qin-Song; Liu, Zhan-Wei Physical Review D, Vol. 100, Issue 5 https://doi.org/10.1103/physrevd.100.056004	journal	September 2019
Search for light tetraquark states in $ϒ (1 S)$ and $ϒ (2 S)$ decays Jia, S.; Shen, C. P.; Yuan, C. Z. Physical Review D, Vol. 96, Issue 11 https://doi.org/10.1103/physrevd.96.112002	journal	December 2017
Possible assignments of the $$X(3872)$$ X ( 3872 ) , $$Z_c(3900)$$ Z c ( 3900 ) , and $$Z_b(10610)$$ Z b ( 10610 ) as axial-vector molecular states Wang, Zhi-Gang; Huang, Tao The European Physical Journal C, Vol. 74, Issue 5 https://doi.org/10.1140/epjc/s10052-014-2891-6	journal	May 2014
Analysis of the Zc(4200) as axial-vector molecule-like state Wang, Zhi-Gang International Journal of Modern Physics A, Vol. 30, Issue 30 https://doi.org/10.1142/s0217751x15501687	journal	October 2015
Angular analysis of the e⁺e⁻ →D()+-D-+ process near the open charm threshold using initial-state radiation Zhukova, V.; Pakhlova, G.; Pakhlov, P. Karlsruhe https://doi.org/10.5445/ir/1000079266	text	January 2018
Study of $e^{+} e^{-} \to π^{+} π^{-} π^{0} η_{c}$ and evidence for $Z_{c} (3900)^{\pm}$ decaying into $ρ^{\pm} η_{c}$ Ablikim, M.; Achasov, M. N.; Ahmed, S. Physical Review D, Vol. 100, Issue 11 https://doi.org/10.1103/physrevd.100.111102	journal	December 2019
Precise Measurement of the e ⁺ e ⁻ → π ⁺ π ⁻ J / ψ Cross Section at Center-of-Mass Energies from 3.77 to 4.60 GeV Ablikim, M.; Achasov, M. N.; Ahmed, S. Symposium on 30 Years of BES Physics https://doi.org/10.1142/9789811217739_0039	conference	June 2020
Exclusive event generator for $e^+e^-$ scan experiments Ping, Rong-Gang arXiv https://doi.org/10.48550/arxiv.1309.3932	text	January 2013
Evidence for resonant structures in e+e- to pi+pi-h_c Yuan, Chang-Zheng arXiv https://doi.org/10.48550/arxiv.1312.6399	text	January 2013
Mass spectra of four quark states in hidden charm sector Patel, Smruti; Shah, Manan; Vinodkumar, P. C. arXiv https://doi.org/10.48550/arxiv.1402.3974	text	January 2014
Could the near-threshold $XYZ$ states be simply kinematic effects? Guo, Feng-Kun; Hanhart, Christoph; Wang, Qian arXiv https://doi.org/10.48550/arxiv.1411.5584	text	January 2014
Analysis of the $Z_c(4200)$ as axial-vector molecule-like state Wang, Zhi-Gang arXiv https://doi.org/10.48550/arxiv.1502.01459	text	January 2015
Decay widths of the spin-2 partners of the X(3872) Albaladejo, M.; Guo, F. -K.; Hidalgo-Duque, C. arXiv https://doi.org/10.48550/arxiv.1504.00861	text	January 2015
Employing spin symmetry to disentangle different models for the XYZ states Cleven, Martin; Guo, Feng-Kun; Hanhart, Christoph arXiv https://doi.org/10.48550/arxiv.1505.01771	text	January 2015
New Exotic Meson and Baryon Resonances from Doubly-Heavy Hadronic Molecules Karliner, Marek; Rosner, Jonathan L. arXiv https://doi.org/10.48550/arxiv.1506.06386	text	January 2015
Heavy Quarkonium Hybrids: Spectrum, Decay and Mixing Oncala, Rubén; Soto, Joan arXiv https://doi.org/10.48550/arxiv.1702.03900	text	January 2017
Heavy Baryon-Antibaryon Molecules in Effective Field Theory Lu, Jun-Xu; Geng, Li-Sheng; Valderrama, Manuel Pavon arXiv https://doi.org/10.48550/arxiv.1706.02588	text	January 2017
Possible hadronic molecules composed of the doubly charmed baryon and nucleon Meng, Lu; Li, Ning; Zhu, Shi-lin arXiv https://doi.org/10.48550/arxiv.1707.03598	text	January 2017
QCD Sum Rules Approach to the $X,~Y$ and $Z$ States Albuquerque, Raphael M.; Dias, Jorgivan M.; Khemchandani, K. P. arXiv https://doi.org/10.48550/arxiv.1812.08207	text	January 2018
Analysis of the hidden-bottom tetraquark mass spectrum with the QCD sum rules Wang, Zhi-Gang arXiv https://doi.org/10.48550/arxiv.1903.10895	text	January 2019
Emergence of a complete heavy-quark spin symmetry multiplet: seven molecular pentaquarks in light of the latest LHCb analysis Liu, Ming-Zhu; Pan, Ya-Wen; Peng, Fang-Zheng arXiv https://doi.org/10.48550/arxiv.1903.11560	text	January 2019
A coupled-channel lattice study on the resonance-like structure $Z_c(3900)$ Chen, Ting; Chen, Ying; Gong, Ming arXiv https://doi.org/10.48550/arxiv.1907.03371	text	January 2019

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