L. L. Ma
Chinese Academy of Sciences
279 Papers
979 Citations
L. L. Ma is an academic researcher from Chinese Academy of Sciences. The author has contributed to research in topics: Cosmic ray & Branching fraction. The author has an hindex of 32, co-authored 144 publications. Previous affiliations of L. L. Ma include Yunnan Normal University & Harbin Institute of Technology.
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Papers
Ultrahigh-energy photons up to 1.4 petaelectronvolts from 12 γ-ray Galactic sources
Zhengguo Cao,Felix Aharonian,Felix Aharonian,Q. An,Axikegu,L. X. Bai,Bai Yibing,Y. W. Bao,D. Bastieri,X. J. Bi,Y. J. Bi,H. Cai,J. T. Cai,Zhe Cao,J. F. Chang,J. F. Chang,X. C. Chang,B. M. Chen,J. Chen,L. Chen,Liang Chen,Long Chen,M. J. Chen,M. L. Chen,Q. H. Chen,S.H. Chen,S. Z. Chen,T. L. Chen,Xuliang Chen,Yi Chen,N. Cheng,Y. D. Cheng,S. W. Cui,X. H. Cui,Y. D. Cui,B. Z. Dai,H. L. Dai,Z. G. Dai,Danzengluobu,D. della Volpe,B D Ettorre Piazzoli,X. J. Dong,Jun-Hui Fan,Y. Z. Fan,Z. X. Fan,J. Fang,Kun Fang,C. F. Feng,L. Feng,S. H. Feng,Y. L. Feng,Bingshui Gao,C. D. Gao,Q. Gao,W. Gao,M. M. Ge,Li-Sheng Geng,G. H. Gong,Q. B. Gou,M. H. Gu,J. G. Guo,X. L. Guo,Y. Q. Guo,Y. Y. Guo,Y. A. Han,H. H. He,H. N. He,J. C. He,S. L. He,Xinbo He,Y. He,M. Heller,Y. K. Hor,C. Hou,Xing-Yuan Hou,H. B. Hu,S. Hu,Shi-Qi Hu,X. J. Hu,D. H. Huang,Qizhi Huang,W. H. Huang,X. T. Huang,Z. C. Huang,F. Ji,X. L. Ji,H. Y. Jia,K. Jiang,Z. J. Jiang,Chiming Jin,D.A. Kuleshov,K. Levochkin,B. B. Li,Cong Li,Cheng Li,F. Y. Li,H. B. Li,H. C. Li,Hefan Li,Hefan Li,Jixia Li,K. Li,W. L. Li,Xuejiao Li,X. R. Li,Xufang Li,Youping Li,Y. Z. Li,Zhe Li,Zhuo Li,E. W. Liang,Yun-Feng Liang,Shuibin Lin,B. Liu,C. X. Liu,Dong Liu,H. Liu,H. D. Liu,J. Liu,Jinyao Liu,Jun Liu,J. Y. Liu,Minghui Liu,R. Liu,Shujuan Liu,W. Liu,Yunchao Liu,Z. X. Liu,W. J. Long,R. Lu,H. K. Lv,Bin Ma,L. L. Ma,X. H. Ma,Junjie Mao,A. Masood,Warit Mitthumsiri,T. Montaruli,Y. C. Nan,B. Y. Pang,P. Pattarakijwanich,Z. Y. Pei,Minghao Qi,David Ruffolo,V. Rulev,Alejandro Sáiz,Lang Shao,Oleg Shchegolev,Oleg Shchegolev,X. D. Sheng,J. R. Shi,H. C. Song,Yu. V. Stenkin,Yu. V. Stenkin,V. I. Stepanov,Qie Sun,X. N. Sun,Z. B. Sun,Pak-Hin Thomas Tam,Zebo Tang,Wenwu Tian,B. D. Wang,Cunguo Wang,H. Wang,Hong-Guang Wang,J. C. Wang,J. S. Wang,L. P. Wang,L. Y. Wang,R. N. Wang,W. Wang,X. G. Wang,Xuelong Wang,Xiang-Yu Wang,Yongchun Wang,Y. J. Wang,Y. P. Wang,Zheng Wang,Zhen Wang,Z. H. Wang,Z. X. Wang,D. M. Wei,Jun-Jie Wei,Y. J. Wei,T. Wen,C. Y. Wu,H. R. Wu,S. Wu,W. X. Wu,X. F. Wu,S. Q. Xi,J.W. Xia,J.W. Xia,J. J. Xia,G. M. Xiang,G. C. Xiao,H. B. Xiao,G. G. Xin,Y. L. Xin,Y. M. Xing,Donglian Xu,Rong Xu,L. Xue,Duo Yan,C. W. Yang,Fan Yang,J. Y. Yang,Linbin Yang,M. J. Yang,Ruizhi Yang,S. B. Yang,Y. H. Yao,Z. G. Yao,Y. M. Ye,L. Q. Yin,N. Yin,X. H. You,Z. Y. You,Y. H. Yu,Q. Yuan,Houdun Zeng,Tao Zeng,W. Zeng,Z. K. Zeng,M. Zha,X. X. Zhai,Bo Zhang,H. M. Zhang,He Zhang,Jie Zhang,J. W. Zhang,Lu Zhang,Li Zhang,L. X. Zhang,P. F. Zhang,P. P. Zhang,Rui Zhang,Rui Zhang,S. R. Zhang,Shengxue Zhang,Xiang Zhang,Xiaofei Zhang,Yong Zhang,Yi Zhang,Ying Zhang,Yugang Zhang,Binyu Zhao,J. B. Zhao,Lei Zhao,L. Z. Zhao,S. P. Zhao,S. P. Zhao,F. Zheng,Y. Zheng,Bin Zhou,Hao Zhou,Jianeng Zhou,Ping Zhou,R. Zhou,X. X. Zhou,Cheng Guang Zhu,F. R. Zhu,H. Zhu,K. J. Zhu,X. Zuo +264 more
TL;DR: In this article, the authors reported the detection of more than 530 photons at energies above 100 teraelectronvolts and up to 1.4 PeV from 12 sources in the Galaxy.
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A Future Project at Tibet: The Large High Altitude Air Shower Observatory (LHAASO)
Zhen Cao,X. J. Bi,Zihuang Cao,J. F. Chan,G. F. Chen,H. S. He,M. J. Chen,S. Z. Chen,L. H. Jiang,H. H. He,H. B. Hu,J. S. Huang,Q. J. Li,Jinyao Liu,Hong-peng Lu,L. L. Ma,X. H. Ma,X. D. Sheng,Haiyan Wang,Zujian Wang,H. R. Wu,G. C. Xiao,Z. G. Yao,Y. Zhang,K. J. Zhu,Q. An,C-Q. Li,Z. G. Zhao,S. B. Liu,Y. J. Sun,L. Zhao,W. P. Huang,B. Z. Dai,Q. Y. Yang,Lingxuan Zhang,Bin Ma,Y. J. Mao,Rong Xu,C. F. Feng,J. Y. Li,L. Xue,X. Y. Zhang,Z.Y. Feng,H. Y. Jia,X. X. Zhou,F. R. Zhu,T. L. Chen,Danzengluobu,A. F. Yuan,S. W. Cui,S. R. Zhang +50 more
- 01 Jan 2010
173
Observation of a ResonanceX(1835)inJ/ψ→γπ+π−η′
M. Ablikim,J. Z. Bai,Y. Ban,J. G. Bian,XZ（蔡翔舟） Cai,H. F. Chen,H. S. Chen,Huirun Chen,J. C. Chen,Jin Chen,Y. B. Chen,S. P. Chi,Y. P. Chu,Xingzhu Cui,Y. S. Dai,Z. Y. Deng,L. Y. Dong,Q. F. Dong,S. X. Du,Z. Z. Du,J. Fang,S. S. Fang,C. D. Fu,C. S. Gao,Y. N. Gao,S. D. Gu,Y. T. Gu,Y. N. Guo,Y. Q. Guo,Z. J. Guo,F. A. Harris,K. L. He,Miao He,Y. K. Heng,H. M. Hu,T. Hu,G. S. Huang,Xiru Huang,X. T. Huang,X. B. Ji,X. S. Jiang,J. B. Jiao,D. P. Jin,S. Jin,Yi Jin,Y. F. Lai,G. Li,H. B. Li,Hangxu Li,J. C. Li,R. Y. Li,S. M. Li,W. D. Li,W. G. Li,X. L. Li,X. Q. Li,Y. Li,Y. F. Liang,Hongbo Liao,C. X. Liu,F. Liu,Fang Liu,H. H. Liu,H. M. Liu,J. P. Liu,J. B. Liu,J. P. Liu,R. G. Liu,Z. A. Liu,F. Lu,G. R. Lu,Houbing Lu,J. G. Lu,C. L. Luo,F. C. Ma,H. L. Ma,L. L. Ma,Q. M. Ma,X. B. Ma,Z. P. Mao,X. H. Mo,J. Nie,S. L. Olsen,Haiping Peng,N. D. Qi,H. Qin,J. F. Qiu,Z. Y. Ren,G. Rong,Lianyou Shan,Shang Lunlin,D. L. Shen,X. Y. Shen,H. Y. Sheng,Feng Shi,X. Shi,H. S. Sun,Jianwei Sun,S. S. Sun,Y. Z. Sun,Z. J. Sun,Z. Q. Tan,X. Tang,Yang Tian,G. L. Tong,G. S. Varner,D. Y. Wang,L. S. Wang,L. S. Wang,M. Z. Wang,P. Wang,P. L. Wang,W. F. Wang,Yudan Wang,Zujian Wang,Z. Y. Wang,Zhe Wang,Zheng Wang,Cunfeng Wei,D. H. Wei,N. Wu,X. M. Xia,X. X. Xie,Bo Xin,G. F. Xu,Y. C. Xu,M. L. Yan,Fan Yang,H. X. Yang,Jiming Yang,Y. X. Yang,M. H. Ye,Y. X. Ye,Z. Y. Yi,G. W. Yu,C. Z. Yuan,J. M. Yuan,Y. Yuan,S. L. Zang,Y. Zeng,Yu Zeng,B. X. Zhang,B. Y. Zhang,C. C. Zhang,D. H. Zhang,H. Y. Zhang,J. W. Zhang,J. Y. Zhang,Qiyang Zhang,Xunchao Zhang,X. Y. Zhang,Y. Y. Zhang,Z. P. Zhang,Z. Y. Zhang,D. X. Zhao,J. W. Zhao,M. G. Zhao,P. P. Zhao,W. R. Zhao,Z. G. Zhao,Han-Qing Zheng,Jinxing Zheng,Z. P. Zheng,L. P. Zhou,Ning Zhou,K. J. Zhu,Q. M. Zhu,Y. C. Zhu,Yingchun Zhu,Y. S. Zhu,Z. A. Zhu,B. A. Zhuang,Xuai Zhuang,B.S. Zou +173 more
TL;DR: In this article, the decay channel of the BESII detector was analyzed using a sample of 5.5 × 5.8 µm with a statistical significance of 7.7 µm.
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Observation of a resonance in Chi(1835) in J/psi --> gammapi+ pi- eta-.
M. Ablikim,J. Z. Bai,Y. Ban,J. G. Bian,XZ（蔡翔舟） Cai,H. F. Chen,H. S. Chen,Huirun Chen,J. C. Chen,Jin Chen,Y. B. Chen,S. P. Chi,Y. P. Chu,Xingzhu Cui,Y. S. Dai,Z. Y. Deng,L. Y. Dong,Q. F. Dong,S. X. Du,Z. Z. Du,J. Fang,S. S. Fang,C. D. Fu,C. S. Gao,Y. N. Gao,S. D. Gu,Y. T. Gu,Y. N. Guo,Y. Q. Guo,Z. J. Guo,F. A. Harris,K. L. He,Miao He,Y. K. Heng,H. M. Hu,T. Hu,G. S. Huang,Xiru Huang,X. T. Huang,X. B. Ji,X. S. Jiang,J. B. Jiao,D. P. Jin,S. Jin,Yi Jin,Y. F. Lai,G. Li,H. B. Li,Hangxu Li,J. C. Li,R. Y. Li,S. M. Li,W. D. Li,W. G. Li,X. L. Li,X. Q. Li,Y. Li,Y. F. Liang,Hongbo Liao,C. X. Liu,F. Liu,Fang Liu,H. H. Liu,H. M. Liu,J. P. Liu,J. B. Liu,J. P. Liu,R. G. Liu,Z. A. Liu,F. Lu,G. R. Lu,Houbing Lu,J. G. Lu,C. L. Luo,F. C. Ma,H. L. Ma,L. L. Ma,Q. M. Ma,X. B. Ma,Z. P. Mao,X. H. Mo,J. Nie,S. L. Olsen,Haiping Peng,N. D. Qi,H. Qin,J. F. Qiu,Z. Y. Ren,G. Rong,Lianyou Shan,Shang Lunlin,D. L. Shen,X. Y. Shen,H. Y. Sheng,Feng Shi,X. Shi,H. S. Sun,Jianwei Sun,S. S. Sun,Y. Z. Sun,Z. J. Sun,Z. Q. Tan,X. Tang,Yang Tian,G. L. Tong,G. S. Varner,D. Y. Wang,L. S. Wang,L. S. Wang,M. Z. Wang,P. Wang,P. L. Wang,W. F. Wang,Yudan Wang,Zujian Wang,Z. Y. Wang,Zhe Wang,Zheng Wang,Cunfeng Wei,D. H. Wei,N. Wu,X. M. Xia,X. X. Xie,Bo Xin,G. F. Xu,Y. C. Xu,M. L. Yan,Fan Yang,H. X. Yang,Jiming Yang,Y. X. Yang,M. H. Ye,Y. X. Ye,Z. Y. Yi,G. W. Yu,C. Z. Yuan,J. M. Yuan,Y. Yuan,S. L. Zang,Y. Zeng,Yu Zeng,B. X. Zhang,B. Y. Zhang,C. C. Zhang,D. H. Zhang,H. Y. Zhang,J. W. Zhang,J. Y. Zhang,Qiyang Zhang,Xunchao Zhang,X. Y. Zhang,Y. Y. Zhang,Z. P. Zhang,Z. Y. Zhang,D. X. Zhao,J. W. Zhao,M. G. Zhao,P. P. Zhao,W. R. Zhao,Z. G. Zhao,Han-Qing Zheng,Jinxing Zheng,Z. P. Zheng,L. P. Zhou,Ning Zhou,K. J. Zhu,Q. M. Zhu,Y. C. Zhu,Yingchun Zhu,Y. S. Zhu,Z. A. Zhu,B. A. Zhuang,Xuai Zhuang,B.S. Zou +173 more
TL;DR: The Chi(1835) is observed in the pi(+)pi(-)eta invariant-mass spectrum with a statistical significance of 7.7 sigma and its properties are consistent with expectations for the state that produces the strong pp mass threshold enhancement observed inThe J/psi --> gammapp process at BESII.
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Observation ofY(2175)inJ/ψ→ηϕf0(980)
M. Ablikim,J. Z. Bai,Yu Bai,Y. Ban,XZ（蔡翔舟） Cai,H. F. Chen,H. S. Chen,Huirun Chen,J. C. Chen,Jin Chen,X. D. Chen,Y. B. Chen,Y. P. Chu,Y. S. Dai,Z. Y. Deng,S. X. Du,J. Fang,C. D. Fu,C. S. Gao,Y. N. Gao,S. D. Gu,Y. T. Gu,Y. N. Guo,Z. J. Guo,F. A. Harris,K. L. He,Miao He,Y. K. Heng,J. Hou,H. M. Hu,T. Hu,G. S. Huang,X. T. Huang,Yanping Huang,X. B. Ji,X. S. Jiang,J. B. Jiao,D. P. Jin,S. Jin,Y. F. Lai,H. B. Li,J. C. Li,R. Y. Li,W. D. Li,W. G. Li,X. L. Li,X. N. Li,X. Q. Li,Y. F. Liang,Hongbo Liao,B. J. Liu,C. X. Liu,Fang Liu,Feng Liu,H. H. Liu,H. M. Liu,J. B. Liu,J. P. Liu,H. B. Liu,J. P. Liu,Q. Liu,R. G. Liu,S. B. Liu,Z. A. Liu,F. Lu,G. R. Lu,J. G. Lu,C. L. Luo,F. C. Ma,H. L. Ma,L. L. Ma,Q. M. Ma,M. Q. A. Malik,Z. P. Mao,X. H. Mo,J. Nie,S. L. Olsen,R. G. Ping,N. D. Qi,H. Qin,J. F. Qiu,G. Rong,Xichao Ruan,Lianyou Shan,Shang Lunlin,C. P. Shen,D. L. Shen,X. Y. Shen,H. Y. Sheng,H. S. Sun,S. S. Sun,Y. Z. Sun,Z. J. Sun,X. Tang,J. P. Tian,G. L. Tong,G. S. Varner,X. Wan,L. S. Wang,L. L. Wang,L. S. Wang,P. Wang,P. L. Wang,W. F. Wang,Yudan Wang,Zujian Wang,Z. Y. Wang,Cunfeng Wei,D. H. Wei,Y. Weng,N. Wu,X. M. Xia,X. X. Xie,G. F. Xu,X. P. Xu,Y. C. Xu,M. L. Yan,H. X. Yang,Mingming Yang,Y. X. Yang,M. H. Ye,Y. X. Ye,C. X. Yu,G. W. Yu,C. Z. Yuan,Y. Yuan,S. L. Zang,Y. Zeng,B. X. Zhang,B. Y. Zhang,C. C. Zhang,D. H. Zhang,H. Q. Zhang,H. Y. Zhang,J. W. Zhang,J. Y. Zhang,X. Y. Zhang,Y. Y. Zhang,Z. X. Zhang,Z. P. Zhang,D. X. Zhao,J. W. Zhao,M. G. Zhao,P. P. Zhao,Z. G. Zhao,Han-Qing Zheng,Jinxing Zheng,Z. P. Zheng,B. Zhong L. Zhou,K. J. Zhu,Q. M. Zhu,Xiaobo Zhu,Y. C. Zhu,Y. S. Zhu,Z. A. Zhu,Z.L. Zhu,B. A. Zhuang,B.S. Zou +157 more
TL;DR: In this article, the decays of the BESII detector were analyzed with a sample of $5.8 million and the peak mass and width of $m=2.18.
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