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Phys Rev Lett. 2020 Jun 19;124(24):241803. doi: 10.1103/PhysRevLett.124.241803.

Measurements of Absolute Branching Fractions of Fourteen Exclusive Hadronic D Decays to η.

Physical review letters

M Ablikim, M N Achasov, P Adlarson, S Ahmed, M Albrecht, A Amoroso, Q An, Anita, X H Bai, Y Bai, O Bakina, R Baldini Ferroli, I Balossino, Y Ban, K Begzsuren, J V Bennett, N Berger, M Bertani, D Bettoni, F Bianchi, J Biernat, J Bloms, A Bortone, I Boyko, R A Briere, H Cai, X Cai, A Calcaterra, G F Cao, N Cao, S A Cetin, J F Chang, W L Chang, G Chelkov, D Y Chen, G Chen, H S Chen, M L Chen, S J Chen, X R Chen, Y B Chen, W S Cheng, G Cibinetto, F Cossio, X F Cui, H L Dai, J P Dai, X C Dai, A Dbeyssi, R B de Boer, D Dedovich, Z Y Deng, A Denig, I Denysenko, M Destefanis, F De Mori, Y Ding, C Dong, J Dong, L Y Dong, M Y Dong, S X Du, J Fang, S S Fang, Y Fang, R Farinelli, L Fava, F Feldbauer, G Felici, C Q Feng, M Fritsch, C D Fu, Y Fu, X L Gao, Y Gao, Y Gao, Y G Gao, I Garzia, E M Gersabeck, A Gilman, K Goetzen, L Gong, W X Gong, W Gradl, M Greco, L M Gu, M H Gu, S Gu, Y T Gu, C Y Guan, A Q Guo, L B Guo, R P Guo, Y P Guo, Y P Guo, A Guskov, S Han, T T Han, T Z Han, X Q Hao, F A Harris, K L He, F H Heinsius, T Held, Y K Heng, M Himmelreich, T Holtmann, Y R Hou, Z L Hou, H M Hu, J F Hu, T Hu, Y Hu, G S Huang, L Q Huang, X T Huang, Y P Huang, Z Huang, N Huesken, T Hussain, W Ikegami Andersson, W Imoehl, M Irshad, S Jaeger, S Janchiv, Q Ji, Q P Ji, X B Ji, X L Ji, H B Jiang, X S Jiang, X Y Jiang, J B Jiao, Z Jiao, S Jin, Y Jin, T Johansson, N Kalantar-Nayestanaki, X S Kang, R Kappert, M Kavatsyuk, B C Ke, I K Keshk, A Khoukaz, P Kiese, R Kiuchi, R Kliemt, L Koch, O B Kolcu, B Kopf, M Kuemmel, M Kuessner, A Kupsc, M G Kurth, W Kühn, J J Lane, J S Lange, P Larin, L Lavezzi, H Leithoff, M Lellmann, T Lenz, C Li, C H Li, Cheng Li, D M Li, F Li, G Li, H B Li, H J Li, J L Li, J Q Li, Ke Li, L K Li, Lei Li, P L Li, P R Li, S Y Li, W D Li, W G Li, X H Li, X L Li, Z B Li, Z Y Li, H Liang, H Liang, Y F Liang, Y T Liang, L Z Liao, J Libby, C X Lin, B Liu, B J Liu, C X Liu, D Liu, D Y Liu, F H Liu, Fang Liu, Feng Liu, H B Liu, H M Liu, Huanhuan Liu, Huihui Liu, J B Liu, J Y Liu, K Liu, K Y Liu, Ke Liu, L Liu, Q Liu, S B Liu, Shuai Liu, T Liu, X Liu, Y B Liu, Z A Liu, Z Q Liu, Y F Long, X C Lou, F X Lu, H J Lu, J D Lu, J G Lu, X L Lu, Y Lu, Y P Lu, C L Luo, M X Luo, P W Luo, T Luo, X L Luo, S Lusso, X R Lyu, F C Ma, H L Ma, L L Ma, M M Ma, Q M Ma, R Q Ma, R T Ma, X N Ma, X X Ma, X Y Ma, Y M Ma, F E Maas, M Maggiora, S Maldaner, S Malde, Q A Malik, A Mangoni, Y J Mao, Z P Mao, S Marcello, Z X Meng, J G Messchendorp, G Mezzadri, T J Min, R E Mitchell, X H Mo, Y J Mo, N Yu Muchnoi, H Muramatsu, S Nakhoul, Y Nefedov, F Nerling, I B Nikolaev, Z Ning, S Nisar, S L Olsen, Q Ouyang, S Pacetti, X Pan, Y Pan, A Pathak, P Patteri, M Pelizaeus, H P Peng, K Peters, J Pettersson, J L Ping, R G Ping, A Pitka, R Poling, V Prasad, H Qi, H R Qi, M Qi, T Y Qi, T Y Qi, S Qian, W-B Qian, Z Qian, C F Qiao, L Q Qin, X P Qin, X S Qin, Z H Qin, J F Qiu, S Q Qu, K H Rashid, K Ravindran, C F Redmer, A Rivetti, V Rodin, M Rolo, G Rong, Ch Rosner, M Rump, A Sarantsev, Y Schelhaas, C Schnier, K Schoenning, D C Shan, W Shan, X Y Shan, M Shao, C P Shen, P X Shen, X Y Shen, H C Shi, R S Shi, X Shi, X D Shi, J J Song, Q Q Song, W M Song, Y X Song, S Sosio, S Spataro, F F Sui, G X Sun, J F Sun, L Sun, S S Sun, T Sun, W Y Sun, Y J Sun, Y K Sun, Y Z Sun, Z T Sun, Y H Tan, Y X Tan, C J Tang, G Y Tang, J Tang, V Thoren, B Tsednee, I Uman, B Wang, B L Wang, C W Wang, D Y Wang, H P Wang, K Wang, L L Wang, M Wang, M Z Wang, Meng Wang, W H Wang, W P Wang, X Wang, X F Wang, X L Wang, Y Wang, Y Wang, Y D Wang, Y F Wang, Y Q Wang, Z Wang, Z Y Wang, Ziyi Wang, Zongyuan Wang, D H Wei, P Weidenkaff, F Weidner, S P Wen, D J White, U Wiedner, G Wilkinson, M Wolke, L Wollenberg, J F Wu, L H Wu, L J Wu, X Wu, Z Wu, L Xia, H Xiao, S Y Xiao, Y J Xiao, Z J Xiao, X H Xie, Y G Xie, Y H Xie, T Y Xing, X A Xiong, G F Xu, J J Xu, Q J Xu, W Xu, X P Xu, F Yan, L Yan, L Yan, W B Yan, W C Yan, Xu Yan, H J Yang, H X Yang, L Yang, R X Yang, S L Yang, Y H Yang, Y X Yang, Yifan Yang, Zhi Yang, M Ye, M H Ye, J H Yin, Z Y You, B X Yu, C X Yu, G Yu, J S Yu, T Yu, C Z Yuan, W Yuan, X Q Yuan, Y Yuan, Z Y Yuan, C X Yue, A Yuncu, A A Zafar, Y Zeng, B X Zhang, Guangyi Zhang, H H Zhang, H Y Zhang, J L Zhang, J Q Zhang, J W Zhang, J Y Zhang, J Z Zhang, Jianyu Zhang, Jiawei Zhang, L Zhang, Lei Zhang, S Zhang, S F Zhang, T J Zhang, X Y Zhang, Y Zhang, Y H Zhang, Y T Zhang, Yan Zhang, Yao Zhang, Yi Zhang, Z H Zhang, Z Y Zhang, G Zhao, J Zhao, J Y Zhao, J Z Zhao, Lei Zhao, Ling Zhao, M G Zhao, Q Zhao, S J Zhao, Y B Zhao, Y X Zhao, Z G Zhao, A Zhemchugov, B Zheng, J P Zheng, Y Zheng, Y H Zheng, B Zhong, C Zhong, L P Zhou, Q Zhou, X Zhou, X K Zhou, X R Zhou, A N Zhu, J Zhu, K Zhu, K J Zhu, S H Zhu, W J Zhu, X L Zhu, Y C Zhu, Z A Zhu, B S Zou, J H Zou,

Affiliations

  1. Institute of High Energy Physics, Beijing 100049, People's Republic of China.
  2. G.I. Budker Institute of Nuclear Physics SB RAS (BINP), Novosibirsk 630090, Russia.
  3. Uppsala University, Box 516, SE-75120 Uppsala, Sweden.
  4. Helmholtz Institute Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.
  5. Bochum Ruhr-University, D-44780 Bochum, Germany.
  6. University of Turin, I-10125, Turin, Italy.
  7. INFN, I-10125, Turin, Italy.
  8. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.
  9. University of Science and Technology of China, Hefei 230026, People's Republic of China.
  10. Indian Institute of Technology Madras, Chennai 600036, India.
  11. University of Jinan, Jinan 250022, People's Republic of China.
  12. Southeast University, Nanjing 211100, People's Republic of China.
  13. Joint Institute for Nuclear Research, 141980 Dubna, Moscow Region, Russia.
  14. INFN Laboratori Nazionali di Frascati, I-00044, Frascati, Italy.
  15. INFN Sezione di Ferrara, I-44122, Ferrara, Italy.
  16. Peking University, Beijing 100871, People's Republic of China.
  17. Institute of Physics and Technology, Peace Avenue 54B, Ulaanbaatar 13330, Mongolia.
  18. Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.
  19. Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.
  20. University of Muenster, Wilhelm-Klemm-Strasse 9, 48149 Muenster, Germany.
  21. Wuhan University, Wuhan 430072, People's Republic of China.
  22. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.
  23. Istanbul Bilgi University, 34060 Eyup, Istanbul, Turkey.
  24. Central China Normal University, Wuhan 430079, People's Republic of China.
  25. Nanjing University, Nanjing 210093, People's Republic of China.
  26. Institute of Modern Physics, Lanzhou 730000, People's Republic of China.
  27. Nankai University, Tianjin 300071, People's Republic of China.
  28. Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China.
  29. Liaoning University, Shenyang 110036, People's Republic of China.
  30. Zhengzhou University, Zhengzhou 450001, People's Republic of China.
  31. University of Eastern Piedmont, I-15121, Alessandria, Italy.
  32. University of South China, Hengyang 421001, People's Republic of China.
  33. University of Ferrara, I-44122, Ferrara, Italy.
  34. University of Manchester, Oxford Road, Manchester, M13 9PL, United Kingdom.
  35. University of Minnesota, Minneapolis, Minnesota 55455, USA.
  36. GSI Helmholtzcentre for Heavy Ion Research GmbH, D-64291 Darmstadt, Germany.
  37. Beihang University, Beijing 100191, People's Republic of China.
  38. Guangxi University, Nanning 530004, People's Republic of China.
  39. Indiana University, Bloomington, Indiana 47405, USA.
  40. Nanjing Normal University, Nanjing 210023, People's Republic of China.
  41. Shandong Normal University, Jinan 250014, People's Republic of China.
  42. Fudan University, Shanghai 200443, People's Republic of China.
  43. Shandong University, Jinan 250100, People's Republic of China.
  44. Henan Normal University, Xinxiang 453007, People's Republic of China.
  45. University of Hawaii, Honolulu, Hawaii 96822, USA.
  46. University of the Punjab, Lahore-54590, Pakistan.
  47. Huangshan College, Huangshan 245000, People's Republic of China.
  48. KVI-CART, University of Groningen, NL-9747 AA Groningen, The Netherlands.
  49. Shanxi Normal University, Linfen 041004, People's Republic of China.
  50. Justus-Liebig-Universitaet Giessen, II. Physikalisches Institut, Heinrich-Buff-Ring 16, D-35392 Giessen, Germany.
  51. Qufu Normal University, Qufu 273165, People's Republic of China.
  52. Liaoning Normal University, Dalian 116029, People's Republic of China.
  53. Beijing Institute of Petrochemical Technology, Beijing 102617, People's Republic of China.
  54. Lanzhou University, Lanzhou 730000, People's Republic of China.
  55. Tsinghua University, Beijing 100084, People's Republic of China.
  56. Sun Yat-Sen University, Guangzhou 510275, People's Republic of China.
  57. Sichuan University, Chengdu 610064, People's Republic of China.
  58. Shanxi University, Taiyuan 030006, People's Republic of China.
  59. Henan University of Science and Technology, Luoyang 471003, People's Republic of China.
  60. Soochow University, Suzhou 215006, People's Republic of China.
  61. Zhejiang University, Hangzhou 310027, People's Republic of China.
  62. University of Oxford, Keble Road, Oxford, OX13RH, United Kingdom.
  63. INFN Sezione di Perugia, I-06100, Perugia, Italy.
  64. COMSATS University Islamabad, Lahore Campus, Defence Road, Off Raiwind Road, 54000 Lahore, Pakistan.
  65. University of Perugia, I-06100, Perugia, Italy.
  66. Guangxi Normal University, Guilin 541004, People's Republic of China.
  67. Hunan Normal University, Changsha 410081, People's Republic of China.
  68. Jilin University, Changchun 130012, People's Republic of China.
  69. Near East University, Nicosia, North Cyprus, Mersin 10, Turkey.
  70. Hangzhou Normal University, Hangzhou 310036, People's Republic of China.
  71. China Center of Advanced Science and Technology, Beijing 100190, People's Republic of China.
  72. Hunan University, Changsha 410082, People's Republic of China.
  73. Xinyang Normal University, Xinyang 464000, People's Republic of China.
  74. University of Science and Technology Liaoning, Anshan 114051, People's Republic of China.

PMID: 32639841 DOI: 10.1103/PhysRevLett.124.241803

Abstract

Using 2.93  fb^{-1} of e^{+}e^{-} collision data taken at a center-of-mass energy of 3.773 GeV with the BESIII detector, we report the first measurements of the absolute branching fractions of 14 hadronic D^{0(+)} decays to exclusive final states with an η, e.g., D^{0}→K^{-}π^{+}η, K_{S}^{0}π^{0}η, K^{+}K^{-}η, K_{S}^{0}K_{S}^{0}η, K^{-}π^{+}π^{0}η, K_{S}^{0}π^{+}π^{-}η, K_{S}^{0}π^{0}π^{0}η, and π^{+}π^{-}π^{0}η; D^{+}→K_{S}^{0}π^{+}η, K_{S}^{0}K^{+}η, K^{-}π^{+}π^{+}η, K_{S}^{0}π^{+}π^{0}η, π^{+}π^{+}π^{-}η, and π^{+}π^{0}π^{0}η. Among these decays, the D^{0}→K^{-}π^{+}η and D^{+}→K_{S}^{0}π^{+}η decays have the largest branching fractions, which are B(D^{0}→K^{-}π^{+}η)=(1.853±0.025_{stat}±0.031_{syst})% and B(D^{+}→K_{S}^{0}π^{+}η)=(1.309±0.037_{stat}±0.031_{syst})%, respectively. The charge-parity asymmetries for the six decays with highest event yields are determined, and no statistically significant charge-parity violation is found.

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