Observation of a structure at<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>1.84</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>GeV</mml:mi><mml:mo>/</mml:mo><mml:msup><mml:mi>c</mml:mi><mml:mn>2</mml:mn></mml:msup></mml:math>in the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>3</mml:mn><mml:mo stretchy="false">(</mml:mo><mml:msup><mml:mi>π</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>π</mml:mi><mml:mo>−</mml:mo></mml:msup><mml:mo stretchy="false">)</mml:mo></mml:math>mass spectrum in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>J</mml:mi><mml:mo>/</mml:mo><mml:mi>ψ</mml:mi><mml:mo>→</mml:mo><mml:mi>γ</mml:mi><mml:mn>3</mml:mn><mml:mo stretchy="false">(</mml:mo><mml:msup><mml:mi>π</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>π</mml:mi><mml:mo>−</mml:mo></mml:msup><mml:mo stretchy="false">)</mml:mo></mml:math>decays
J. Fang(Yunnan University), R. Baldini Ferroli(Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati), M. Y. Dong, J. F. Chang(Institute of High Energy Physics), D. Dedovich, H. S. Chen(Institute of High Energy Physics), G. Chelkov(Joint Institute for Nuclear Research), Y. B. Chen(Institute of High Energy Physics), A. Calcaterra(Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati), J. V. Bennett, D. Cronin-Hennessy(University of Minnesota), G. Chen(Institute of High Energy Physics), H. L. Dai(Institute of High Energy Physics), Zhipeng Deng(Institute of High Energy Physics), X. Cai(Institute of High Energy Physics), H. Cai(Wuhan University), M. Destefanis, Ö. Çakır(Ankara University), R. A. Briere(Carnegie Mellon University), Xiangcai Chen(Peking University), S. J. Chen(Nanjing University), I. Denysenko(Joint Institute for Nuclear Research), S. X. Du, Xing Chen(Peking University), L. Y. Dong(Centers for Disease Control and Prevention), O. Albayrak, G. F. Cao(Institute of High Energy Physics), J. Z. Bai(Institute of High Energy Physics), F. F. An, D. J. Ambrose, J. A. Becker(Ruhr University Bochum), A. Denig, Y. Ban(Peking University), J. P. Dai(Shanghai Jiao Tong University), Y. Ding(Liaoning University), I. R. Boyko(Joint Institute for Nuclear Research), S. A. Çetin(Doğuş University), Y. P. Chu, W. M. Ding, H. P. Cheng, V. Bytev, M. N. Achasov(Siberian Branch of the Russian Academy of Sciences), E. Boger, O. Bondarenko, J. M. Bian(University of Minnesota), J. C. Chen(Institute of High Energy Physics), M. L. Chen(Institute of High Energy Physics), M. Bertani(Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati), Q. An(University of Science and Technology of China)
Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields
November 14, 2013
Cited by 28
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