An improved limit for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:msub><mml:mrow><mml:mi mathvariant="normal">Γ</mml:mi></mml:mrow><mml:mrow><mml:mi>e</mml:mi><mml:mi>e</mml:mi></mml:mrow></mml:msub></mml:math> of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si2.gif" overflow="scroll"><mml:mi>X</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mn>3872</mml:mn><mml:mo stretchy="false">)</mml:mo></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:msub><mml:mrow><mml:mi mathvariant="normal">Γ</mml:mi></mml:mrow><mml:mrow><mml:mi>e</mml:mi><mml:mi>e</mml:mi></mml:mrow></mml:msub></mml:math> measurement of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si3.gif" overflow="scroll"><mml:mi>ψ</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mn>3686</mml:mn><mml:mo stretchy="false">)</mml:mo></mml:math>

I. Denysenko, X. R. Chen(University of Science and Technology of China), A. Calcaterra(Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati), M. Albrecht(Thomas Jefferson National Accelerator Facility), J. V. Bennett, G. Chen(Institute of High Energy Physics), I. Boyko(Joint Institute for Nuclear Research), Y. B. Chen(Institute of High Energy Physics), G. Cibinetto, X. Z. Cai(State Forestry and Grassland Administration), J. P. Dai(Yunnan University), Y. Ban(Peking University), A. Amoroso(University of Turin), X. Ai(Johannes Gutenberg University Mainz), A. Dbeyssi, X. Chen(Institute of High Energy Physics), H. Cai(Wuhan University), D. Bettoni(Istituto Nazionale di Fisica Nucleare, Sezione di Ferrara), J. M. Bian, Ö. Çakır(Ankara University), М. Н. Ачасов(Uppsala University), R. A. Briere(Carnegie Mellon University), H. Y. Chen(University of Chinese Academy of Sciences), J. F. Chang(University of Science and Technology of China), H. S. Chen(Institute of High Energy Physics), M. L. Chen(Institute of High Energy Physics), F. Bianchi(University of Turin), O. Albayrak, G. F. Cao(Institute of High Energy Physics), Z. Y. Deng, M. Bertani(Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati), F. F. An, D. J. Ambrose, D. Dedovich(Joint Institute for Nuclear Research), X. Chu(Peking University), S. A. Çetin(Doğuş University), H. P. Cheng, A. Denig(Johannes Gutenberg University Mainz), G. Chelkov(Joint Institute for Nuclear Research), E. Boger, D. W. Bennett, O. Bondarenko, J. Z. Bai, D. Cronin-Hennessy, R. Baldini Ferroli, S. J. Chen(Nanjing University), J. C. Chen(Institute of High Energy Physics), Q. An(University of Science and Technology of China)
Physics Letters B
August 8, 2015
Cited by 14


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