Search for the decays J/psi-->gammarhophi and J/psi-->gammarhoomega

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M. Ablikim,¹ J. Z. Bai,¹ Y. Ban,¹² X. Cai,¹ H. F. Chen,¹⁷ H. S. Chen,¹ H. X. Chen,¹ J. C. Chen,¹ Jin Chen,¹ Y. B. Chen,¹ Y. P. Chu,¹ Y. S. Dai,¹⁹ L. Y. Diao,⁹ Z. Y. Deng,¹ Q. F. Dong,¹⁵ S. X. Du,¹ J. Fang,¹ S. S. Fang,¹ C. D. Fu,¹⁵ C. S. Gao,¹ Y. N. Gao,¹⁵ S. D. Gu,¹ Y. T. Gu,⁴ Y. N. Guo,¹ Z. J. Guo,¹⁶ F. A. Harris,¹⁶ K. L. He,¹ M. He,¹³ Y. K. Heng,¹ J. Hou,¹¹ H. M. Hu,¹ J. H. Hu,³ T. Hu,¹ G. S. Huang,¹ X. T. Huang,¹³ X. B. Ji,¹ X. S. Jiang,¹ X. Y. Jiang,⁵ J. B. Jiao,¹³ D. P. Jin,¹ S. Jin,¹ Y. F. Lai,¹ G. Li,¹ H. B. Li,¹ J. Li,¹ R. Y. Li,¹ S. M. Li,¹ W. D. Li,¹ W. G. Li,¹ X. L. Li,¹ X. N. Li,¹ X. Q. Li,¹¹ Y. F. Liang,¹⁴ H. B. Liao,¹ B. J. Liu,¹ C. X. Liu,¹ F. Liu,⁶ Fang Liu,¹ H. H. Liu,¹ H. M. Liu,¹ J. Liu,¹² J. B. Liu,¹ J. P. Liu,¹⁸ Jian Liu,¹ Q. Liu,¹⁶ R. G. Liu,¹ Z. A. Liu,¹ Y. C. Lou,⁵ F. Lu,¹ G. R. Lu,⁵ J. G. Lu,¹ C. L. Luo,¹⁰ F. C. Ma,⁹ H. L. Ma,² L. L. Ma,¹ Q. M. Ma,¹ Z. P. Mao,¹ X. H. Mo,¹ J. Nie,¹ S. L. Olsen,¹⁶ R. G. Ping,¹ N. D. Qi,¹ H. Qin,¹ J. F. Qiu,¹ Z. Y. Ren,¹ G. Rong,¹ X. D. Ruan,⁴ L. Y. Shan,¹ L. Shang,¹ C. P. Shen,¹⁶ D. L. Shen,¹ X. Y. Shen,¹ H. Y. Sheng,¹ H. S. Sun,¹ S. S. Sun,¹ Y. Z. Sun,¹ Z. J. Sun,¹ X. Tang,¹ G. L. Tong,¹ G. S. Varner,¹⁶ D. Y. Wang,¹ L. Wang,¹ L. L. Wang,¹ L. S. Wang,¹ M. Wang,¹ P. Wang,¹ P. L. Wang,¹ Y. F. Wang,¹ Z. Wang,¹ Z. Y. Wang,¹ Zheng Wang,¹ C. L. Wei,¹ D. H. Wei,¹ Y. Weng,¹ N. Wu,¹ X. M. Xia,¹ X. X. Xie,¹ G. F. Xu,¹ X. P. Xu,⁶ Y. Xu,¹¹ M. L. Yan,¹⁷ H. X. Yang,¹ Y. X. Yang,³ M. H. Ye,² Y. X. Ye,¹⁷ G. W. Yu,¹ C. Z. Yuan,¹ Y. Yuan,¹ S. L. Zang,¹ Y. Zeng,⁷ B. X. Zhang,¹ B. Y. Zhang,¹ C. C. Zhang,¹ D. H. Zhang,¹ H. Q. Zhang,¹ H. Y. Zhang,¹ J. W. Zhang,¹ J. Y. Zhang,¹ S. H. Zhang,¹ X. Y. Zhang,¹³ Yiyun Zhang,¹⁴ Z. X. Zhang,¹² Z. P. Zhang,¹⁷ D. X. Zhao,¹ J. W. Zhao,¹ M. G. Zhao,¹ P. P. Zhao,¹ W. R. Zhao,¹ Z. G. Zhao,¹ H. Q. Zheng,¹² J. P. Zheng,¹ Z. P. Zheng,¹ L. Zhou,¹ K. J. Zhu,¹ Q. M. Zhu,¹ Y. C. Zhu,¹ Y. S. Zhu,¹ Z. A. Zhu,¹ B. A. Zhuang,¹ X. A. Zhuang,¹ and B. S. Zou¹

(BES Collaboration)

¹Institute of High Energy Physics, Beijing 100049, People's Republic of China
²China Center for Advanced Science and Technology (CCAST), Beijing 100080, People's Republic of China
³Guangxi Normal University, Guilin 541004, People's Republic of China
⁴Guangxi University, Nanning 530004, People's Republic of China
⁵Henan Normal University, Xinxiang 453002, People's Republic of China
⁶Huazhong Normal University, Wuhan 430079, People's Republic of China
⁷Hunan University, Changsha 410082, People's Republic of China
⁸Jinan University, Jinan 250022, People's Republic of China
⁹Liaoning University, Shenyang 110036, People's Republic of China
¹⁰Nanjing Normal University, Nanjing 210097, People's Republic of China
¹¹Nankai University, Tianjin 300071, People's Republic of China
¹²Peking University, Beijing 100871, People's Republic of China
¹³Shandong University, Jinan 250100, People's Republic of China
¹⁴Sichuan University, Chengdu 610064, People's Republic of China
¹⁵Tsinghua University, Beijing 100084, People's Republic of China
¹⁶University of Hawaii, Honolulu, Hawaii 96822, USA
¹⁷University of Science and Technology of China, Hefei 230026, People's Republic of China
¹⁸Wuhan University, Wuhan 430072, People's Republic of China
¹⁹Zhejiang University, Hangzhou 310028, People's Republic of China

Received 18 October 2007; published 7 January 2008

Using58×10⁶ J/psi events collected with the Beijing Spectrometer (BESII) atthe Beijing Electron-Positron Collider, the decays J/psi-->gammaphirho and J/psi-->gammaomegarho aresearched for, and upper limits on their branching fractions arereported at the 90% C.L. No clear structures are observedin the gammarho, gammaphi, or rhophi mass spectra for J/psi-->gammaphirhonor in the gammarho, gammaomega, or rhoomega mass spectra forJ/psi-->gammaomegarho.

URL:	http://link.aps.org/doi/10.1103/PhysRevD.77.012001
DOI:	10.1103/PhysRevD.77.012001
PACS:	13.20.Gd; 12.38.Qk; 13.20.-v; 13.25.Gv 13.20.Gd Leptonic/semileptonic/radiative decays of J/ψ, Υ, and other quarkonia 12.38.Qk Experimental tests of QCD 13.20.-v Leptonic, semileptonic, and radiative decays of mesons 13.25.Gv Hadronic decays of J/ψ, Υ, and other quarkonia YEAR: 2008