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Updated measurements of the M1 transition ψ(3686)→γηc(2S) with ηc(2S)→KK¯π

Physical Review D American Physical Society (APS) 109:3 (2024) 032004

Authors:

M Ablikim, MN Achasov, P Adlarson, XC Ai, R Aliberti, A Amoroso, MR An, Q An, Y Bai, O Bakina, I Balossino, Y Ban, V Batozskaya, K Begzsuren, N Berger, M Berlowski, M Bertani, D Bettoni, F Bianchi, E Bianco, A Bortone, I Boyko, RA Briere, A Brueggemann, H Cai, X Cai, A Calcaterra, GF Cao, N Cao, SA Cetin, JF Chang, TT Chang, WL Chang, G R., G Chelkov, C Chen, Chao Chen, G Chen, HS Chen, ML Chen, SJ Chen, SL Chen, SM Chen, T Chen, XR Chen, XT Chen, YB Chen, YQ Chen, ZJ Chen, WS Cheng, SK Choi, X Chu, G Cibinetto, SC Coen, F Cossio, JJ Cui, HL Dai, JP Dai, A Dbeyssi, RE de Boer, D Dedovich, ZY Deng, A Denig, I Denysenko, M Destefanis, F De Mori, B Ding, XX Ding, Y Ding, Y Ding, J Dong, LY Dong, MY Dong, X Dong, MC Du, SX Du, ZH Duan, P Egorov, YH Fan, J Fang, SS Fang, WX Fang, Y Fang, R Farinelli, L Fava, F Feldbauer, G Felici, CQ Feng, JH Feng, K Fischer, M Fritsch, CD Fu, JL Fu, YW Fu, H Gao, YN Gao, Yang Gao, S Garbolino, I Garzia, PT Ge, ZW Ge, C Geng, EM Gersabeck, A Gilman, K Goetzen, L Gong, WX Gong, W Gradl, S Gramigna, M Greco, MH Gu, YT Gu, CY Guan, ZL Guan, AQ Guo, LB Guo, MJ Guo, RP Guo, YP Guo, A Guskov, TT Han, WY Han, XQ Hao, FA Harris, KK He, KL He, FHH Heinsius, CH Heinz, YK Heng, C Herold, T Holtmann, PC Hong, GY Hou, XT Hou, YR Hou, ZL Hou, HM Hu, JF Hu, T Hu, Y Hu, GS Huang, KX Huang, LQ Huang, XT Huang, YP Huang, T Hussain, N Hüsken, N in der Wiesche, M Irshad, J Jackson, S Jaeger, S Janchiv, JH Jeong, Q Ji, QP Ji, XB Ji, XL Ji, YY Ji, XQ Jia, ZK Jia, HJ Jiang, PC Jiang, SS Jiang, TJ Jiang, XS Jiang, Y Jiang, JB Jiao, Z Jiao, S Jin, Y Jin, MQ Jing, T Johansson, X K., S Kabana, N Kalantar-Nayestanaki, XL Kang, XS Kang, M Kavatsyuk, BC Ke, A Khoukaz, R Kiuchi, R Kliemt, OB Kolcu, B Kopf, M Kuessner, A Kupsc, W Kühn, JJ Lane, P Larin, A Lavania, L Lavezzi, TT Lei, ZH Lei, H Leithoff, M Lellmann, T Lenz, C Li, C Li, CH Li, Cheng Li, DM Li, F Li, G Li, H Li, HB Li, HJ Li, HN Li, Hui Li, JR Li, JS Li, JW Li, KL Li, Ke Li, LJ Li, LK Li, Lei Li, MH Li, PR Li, QX Li, SX Li, T Li, WD Li, WG Li, XH Li, XL Li, Xiaoyu Li, YG Li, ZJ Li, ZX Li, C Liang, H Liang, H Liang, H Liang, YF Liang, YT Liang, GR Liao, LZ Liao, YP Liao, J Libby, A Limphirat, DX Lin, T Lin, BJ Liu, BX Liu, C Liu, CX Liu, FH Liu, Fang Liu, Feng Liu, GM Liu, H Liu, HB Liu, HM Liu, Huanhuan Liu, Huihui Liu, JB Liu, JL Liu, JY Liu, K Liu, KY Liu, Ke Liu, L Liu, LC Liu, Lu Liu, MH Liu, PL Liu, Q Liu, SB Liu, T Liu, WK Liu, WM Liu, X Liu, Y Liu, Y Liu, YB Liu, ZA Liu, ZQ Liu, XC Lou, FX Lu, HJ Lu, JG Lu, XL Lu, Y Lu, YP Lu, ZH Lu, CL Luo, MX Luo, T Luo, XL Luo, XR Lyu, YF Lyu, F C., H L., J L., L L., M M., Q M., R Q., R T., X Y., Y Ma, Y M., FE Maas, M Maggiora, S Malde, QA Malik, A Mangoni, YJ Mao, ZP Mao, S Marcello, ZX Meng, JG Messchendorp, G Mezzadri, H Miao, TJ Min, RE Mitchell, XH Mo, N Yu Muchnoi, J Muskalla, Y Nefedov, F Nerling, IB Nikolaev, Z Ning, S Nisar, QL Niu, WD Niu, Y Niu, SL Olsen, Q Ouyang, S Pacetti, X Pan, Y Pan, A Pathak, P Patteri, YP Pei, M Pelizaeus, HP Peng, YY Peng, K Peters, JL Ping, RG Ping, S Plura, V Prasad, FZ Qi, H Qi, HR Qi, M Qi, TY Qi, S Qian, WB Qian, CF Qiao, JJ Qin, LQ Qin, XP Qin, XS Qin, ZH Qin, JF Qiu, SQ Qu, CF Redmer, KJ Ren, A Rivetti, M Rolo, G Rong, Ch Rosner, SN Ruan, N Salone, A Sarantsev, Y Schelhaas, K Schoenning, M Scodeggio, KY Shan, W Shan, XY Shan, JF Shangguan, LG Shao, M Shao, CP Shen, HF Shen, WH Shen, XY Shen, BA Shi, HC Shi, JL Shi, JY Shi, QQ Shi, RS Shi, X Shi, JJ Song, TZ Song, WM Song, YJ Song, YX Song, S Sosio, S Spataro, F Stieler, YJ Su, GB Sun, GX Sun, H Sun, HK Sun, JF Sun, K Sun, L Sun, SS Sun, T Sun, WY Sun, Y Sun, YJ Sun, YZ Sun, ZT Sun, YX Tan, CJ Tang, GY Tang, J Tang, YA Tang, LY Tao, QT Tao, M Tat, JX Teng, V Thoren, WH Tian, WH Tian, Y Tian, ZF Tian, I Uman, SJ Wang, B Wang, BL Wang, Bo Wang, CW Wang, DY Wang, F Wang, HJ Wang, HP Wang, JP Wang, K Wang, LL Wang, M Wang, Meng Wang, S Wang, S Wang, T Wang, TJ Wang, W Wang, W Wang, WP Wang, X Wang, XF Wang, XJ Wang, XL Wang, Y Wang, YD Wang, YF Wang, YH Wang, YN Wang, YQ Wang, Yaqian Wang, Yi Wang, Z Wang, ZL Wang, ZY Wang, Ziyi Wang, D Wei, DH Wei, F Weidner, SP Wen, CW Wenzel, U Wiedner, G Wilkinson, M Wolke, L Wollenberg, C Wu, JF Wu, LH Wu, LJ Wu, X Wu, XH Wu, Y Wu, YH Wu, YJ Wu, Z Wu, L Xia, XM Xian, T Xiang, D Xiao, GY Xiao, SY Xiao, YL Xiao, ZJ Xiao, C Xie, XH Xie, Y Xie, YG Xie, YH Xie, ZP Xie, TY Xing, CF Xu, CJ Xu, GF Xu, HY Xu, QJ Xu, QN Xu, W Xu, WL Xu, XP Xu, YC Xu, ZP Xu, ZS Xu, F Yan, L Yan, WB Yan, WC Yan, XQ Yan, HJ Yang, HL Yang, HX Yang, Tao Yang, Y Yang, YF Yang, YX Yang, Yifan Yang, ZW Yang, ZP Yao, M Ye, MH Ye, JH Yin, ZY You, BX Yu, CX Yu, G Yu, JS Yu, T Yu, XD Yu, CZ Yuan, L Yuan, SC Yuan, XQ Yuan, Y Yuan, ZY Yuan, CX Yue, AA Zafar, FR Zeng, X Zeng, Y Zeng, YJ Zeng, XY Zhai, YC Zhai, YH Zhan, AQ Zhang, BL Zhang, BX Zhang, DH Zhang, GY Zhang, H Zhang, HC Zhang, HH Zhang, HH Zhang, HQ Zhang, HY Zhang, J Zhang, JJ Zhang, JL Zhang, JQ Zhang, JW Zhang, JX Zhang, JY Zhang, JZ Zhang, Jianyu Zhang, Jiawei Zhang, LM Zhang, LQ Zhang, Lei Zhang, P Zhang, QY Zhang, Shuihan Zhang, Shulei Zhang, XD Zhang, XM Zhang, XY Zhang, Xuyan Zhang, Y Zhang, Y Zhang, YT Zhang, YH Zhang, Yan Zhang, Yao Zhang, ZH Zhang, ZL Zhang, ZY Zhang, ZY Zhang, G Zhao, J Zhao, JY Zhao, JZ Zhao, Lei Zhao, Ling Zhao, MG Zhao, SJ Zhao, YB Zhao, YX Zhao, ZG Zhao, A Zhemchugov, B Zheng, JP Zheng, WJ Zheng, YH Zheng, B Zhong, X Zhong, H Zhou, LP Zhou, X Zhou, XK Zhou, XR Zhou, XY Zhou, YZ Zhou, J Zhu, K Zhu, KJ Zhu, L Zhu, LX Zhu, SH Zhu, SQ Zhu, TJ Zhu, WJ Zhu, YC Zhu, ZA Zhu, JH Zou, J Zu
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Measurement of the e + e − → K S 0 K L 0 π 0 cross sections from s = 2. 000 to 3. 080 GeV

Journal of High Energy Physics Springer 2024:1 (2024) 180

Authors:

M Ablikim, MN Achasov, P Adlarson, XC Ai, R Aliberti, A Amoroso, MR An, Q An, Y Bai, O Bakina, I Balossino, Y Ban, V Batozskaya, K Begzsuren, N Berger, M Berlowski, M Bertani, D Bettoni, F Bianchi, E Bianco, A Bortone, I Boyko, RA Briere, A Brueggemann

Abstract:

Based on e+e− collision data collected at center-of-mass energies from 2.000 to 3.080 GeV by the BESIII detector at the BEPCII collider, a partial wave analysis is performed for the process e+e− → KS0KL0π0. The results allow the Born cross sections of the process e+e− → KS0KL0π0, as well as its subprocesses e+e− → K∗(892)0K¯0 and K2∗(1430)0K¯0 to be measured. The Born cross sections for e+e− → KS0KL0π0 are consistent with previous measurements by BaBar, but with substantially improved precision. The Born cross section lineshape of the process e+e−K∗(892)0K¯0 is consistent with a vector meson state around 2.2 GeV with a significance of 3.2σ. A Breit-Wigner fit determines its mass as MY = (2164.7 ± 9.1 ± 3.1) MeV/c2 and its width as ΓY = (32.4 ± 21.0 ± 1.8) MeV.
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Search for the semi-muonic charmonium decay J/ψ → D − μ + ν μ + c. c

Journal of High Energy Physics Springer 2024:1 (2024) 126

Authors:

M Ablikim, MN Achasov, P Adlarson, XC Ai, R Aliberti, A Amoroso, MR An, Q An, Y Bai, O Bakina, I Balossino, Y Ban, V Batozskaya, K Begzsuren, N Berger, M Berlowski, M Bertani, D Bettoni, F Bianchi, E Bianco, A Bortone, I Boyko, RA Briere, A Brueggemann

Abstract:

Using (10087 ± 44) × 106J/ψ events collected with the BESIII detector at the BEPCII e+e− storage ring at the center-of-mass energy of s = 3.097 GeV, we present a search for the rare semi-muonic charmonium decay J/ψ → D−μ+νμ + c.c.. Since no significant signal is observed, we set an upper limit of the branching fraction to be B (J/ψ → D−μ+νμ + c.c.) < 5.6 × 10−7 at 90% confidence level. This is the first search for the weak decay of charmonium with a muon in the final state.
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First Measurement of the Decay Asymmetry in the Pure W-Boson-Exchange Decay Λc+→Ξ0K+

Physical Review Letters American Physical Society (APS) 132:3 (2024) 031801

Authors:

M Ablikim, MN Achasov, P Adlarson, XC Ai, R Aliberti, A Amoroso, MR An, Q An, Y Bai, O Bakina, I Balossino, Y Ban, V Batozskaya, K Begzsuren, N Berger, M Berlowski, M Bertani, D Bettoni, F Bianchi, E Bianco, A Bortone, I Boyko, RA Briere, A Brueggemann, H Cai, X Cai, A Calcaterra, GF Cao, N Cao, SA Cetin, JF Chang, TT Chang, WL Chang, G R., G Chelkov, C Chen, Chao Chen, G Chen, HS Chen, ML Chen, SJ Chen, SM Chen, T Chen, XR Chen, XT Chen, YB Chen, YQ Chen, ZJ Chen, WS Cheng, SK Choi, X Chu, G Cibinetto, SC Coen, F Cossio, JJ Cui, HL Dai, JP Dai, A Dbeyssi, RE de Boer, D Dedovich, ZY Deng, A Denig, I Denysenko, M Destefanis, F De Mori, B Ding, XX Ding, Y Ding, Y Ding, J Dong, LY Dong, MY Dong, X Dong, MC Du, SX Du, ZH Duan, P Egorov, YHY Fan, YL Fan, J Fang, SS Fang, WX Fang, Y Fang, R Farinelli, L Fava, F Feldbauer, G Felici, CQ Feng, JH Feng, K Fischer, M Fritsch, C Fritzsch, CD Fu, JL Fu, YW Fu, H Gao, YN Gao, Yang Gao, S Garbolino, I Garzia, PT Ge, ZW Ge, C Geng, EM Gersabeck, A Gilman, K Goetzen, L Gong, WX Gong, W Gradl, S Gramigna, M Greco, MH Gu, CY Guan, ZL Guan, AQ Guo, LB Guo, MJ Guo, RP Guo, YP Guo, A Guskov, TT Han, WY Han, XQ Hao, FA Harris, KK He, KL He, FHH Heinsius, CH Heinz, YK Heng, C Herold, T Holtmann, PC Hong, GY Hou, XT Hou, YR Hou, ZL Hou, HM Hu, JF Hu, T Hu, Y Hu, GS Huang, KX Huang, LQ Huang, XT Huang, YP Huang, T Hussain, N Hüsken, W Imoehl, J Jackson, S Jaeger, S Janchiv, JH Jeong, Q Ji, QP Ji, XB Ji, XL Ji, YY Ji, XQ Jia, ZK Jia, HJ Jiang, PC Jiang, SS Jiang, TJ Jiang, XS Jiang, Y Jiang, JB Jiao, Z Jiao, S Jin, Y Jin, MQ Jing, T Johansson, X K., S Kabana, N Kalantar-Nayestanaki, XL Kang, XS Kang, R Kappert, M Kavatsyuk, BC Ke, A Khoukaz, R Kiuchi, R Kliemt, OB Kolcu, B Kopf, M Kuessner, A Kupsc, W Kühn, JJ Lane, P Larin, A Lavania, L Lavezzi, TT Lei, ZH Lei, H Leithoff, M Lellmann, T Lenz, C Li, C Li, CH Li, Cheng Li, DM Li, F Li, G Li, H Li, HB Li, HJ Li, HN Li, Hui Li, JR Li, JS Li, JW Li, KL Li, Ke Li, LJ Li, LK Li, Lei Li, MH Li, PR Li, QX Li, SX Li, T Li, WD Li, WG Li, XH Li, XL Li, Xiaoyu Li, YG Li, ZJ Li, C Liang, H Liang, H Liang, H Liang, YF Liang, YT Liang, GR Liao, LZ Liao, YP Liao, J Libby, A Limphirat, DX Lin, T Lin, BJ Liu, BX Liu, C Liu, CX Liu, FH Liu, Fang Liu, Feng Liu, GM Liu, H Liu, HM Liu, Huanhuan Liu, Huihui Liu, JB Liu, JL Liu, JY Liu, K Liu, KY Liu, Ke Liu, L Liu, LC Liu, Lu Liu, MH Liu, PL Liu, Q Liu, SB Liu, T Liu, WK Liu, WM Liu, X Liu, Y Liu, Y Liu, YB Liu, ZA Liu, ZQ Liu, XC Lou, FX Lu, HJ Lu, JG Lu, XL Lu, Y Lu, YP Lu, ZH Lu, CL Luo, MX Luo, T Luo, XL Luo, XR Lyu, YF Lyu, F C., H L., J L., L L., M M., Q M., R Q., R T., X Y., Y Ma, Y M., FE Maas, M Maggiora, S Malde, QA Malik, A Mangoni, YJ Mao, ZP Mao, S Marcello, ZX Meng, JG Messchendorp, G Mezzadri, H Miao, TJ Min, RE Mitchell, XH Mo, N Yu Muchnoi, J Muskalla, Y Nefedov, F Nerling, IB Nikolaev, Z Ning, S Nisar, Y Niu, SL Olsen, Q Ouyang, S Pacetti, X Pan, Y Pan, A Pathak, P Patteri, YP Pei, M Pelizaeus, HP Peng, K Peters, JL Ping, RG Ping, S Plura, S Pogodin, V Prasad, FZ Qi, H Qi, HR Qi, M Qi, TY Qi, S Qian, WB Qian, CF Qiao, JJ Qin, LQ Qin, XP Qin, XS Qin, ZH Qin, JF Qiu, SQ Qu, CF Redmer, KJ Ren, A Rivetti, V Rodin, M Rolo, G Rong, Ch Rosner, SN Ruan, N Salone, A Sarantsev, Y Schelhaas, K Schoenning, M Scodeggio, KY Shan, W Shan, XY Shan, JF Shangguan, LG Shao, M Shao, CP Shen, HF Shen, WH Shen, XY Shen, BA Shi, HC Shi, JL Shi, JY Shi, QQ Shi, RS Shi, X Shi, JJ Song, TZ Song, WM Song, YJ Song, YX Song, S Sosio, S Spataro, F Stieler, YJ Su, GB Sun, GX Sun, H Sun, HK Sun, JF Sun, K Sun, L Sun, SS Sun, T Sun, WY Sun, Y Sun, YJ Sun, YZ Sun, ZT Sun, YX Tan, CJ Tang, GY Tang, J Tang, YA Tang, LY Tao, QT Tao, M Tat, JX Teng, V Thoren, WH Tian, WH Tian, Y Tian, ZF Tian, I Uman, SJ Wang, B Wang, BL Wang, Bo Wang, CW Wang, DY Wang, F Wang, HJ Wang, HP Wang, JP Wang, K Wang, LL Wang, M Wang, Meng Wang, S Wang, S Wang, T Wang, TJ Wang, W Wang, W Wang, WP Wang, X Wang, XF Wang, XJ Wang, XL Wang, Y Wang, YD Wang, YF Wang, YH Wang, YN Wang, YQ Wang, Yaqian Wang, Yi Wang, Z Wang, ZL Wang, ZY Wang, Ziyi Wang, D Wei, DH Wei, F Weidner, SP Wen, CW Wenzel, U Wiedner, G Wilkinson, M Wolke, L Wollenberg, C Wu, JF Wu, LH Wu, LJ Wu, X Wu, XH Wu, Y Wu, YJ Wu, Z Wu, L Xia, XM Xian, T Xiang, D Xiao, GY Xiao, SY Xiao, YL Xiao, ZJ Xiao, C Xie, XH Xie, Y Xie, YG Xie, YH Xie, ZP Xie, TY Xing, CF Xu, CJ Xu, GF Xu, HY Xu, QJ Xu, QN Xu, W Xu, WL Xu, XP Xu, YC Xu, ZP Xu, ZS Xu, F Yan, L Yan, WB Yan, WC Yan, XQ Yan, HJ Yang, HL Yang, HX Yang, Tao Yang, Y Yang, YF Yang, YX Yang, Yifan Yang, ZW Yang, ZP Yao, M Ye, MH Ye, JH Yin, ZY You, BX Yu, CX Yu, G Yu, JS Yu, T Yu, XD Yu, CZ Yuan, L Yuan, SC Yuan, XQ Yuan, Y Yuan, ZY Yuan, CX Yue, AA Zafar, FR Zeng, X Zeng, Y Zeng, YJ Zeng, XY Zhai, YC Zhai, YH Zhan, AQ Zhang, BL Zhang, BX Zhang, DH Zhang, GY Zhang, H Zhang, HH Zhang, HH Zhang, HQ Zhang, HY Zhang, J Zhang, JJ Zhang, JL Zhang, JQ Zhang, JW Zhang, JX Zhang, JY Zhang, JZ Zhang, Jianyu Zhang, Jiawei Zhang, LM Zhang, LQ Zhang, Lei Zhang, P Zhang, QY Zhang, Shuihan Zhang, Shulei Zhang, XD Zhang, XM Zhang, XY Zhang, Xuyan Zhang, Y Zhang, Y Zhang, YT Zhang, YH Zhang, Yan Zhang, Yao Zhang, ZH Zhang, ZL Zhang, ZY Zhang, ZY Zhang, G Zhao, J Zhao, JY Zhao, JZ Zhao, Lei Zhao, Ling Zhao, MG Zhao, SJ Zhao, YB Zhao, YX Zhao, ZG Zhao, A Zhemchugov, B Zheng, JP Zheng, WJ Zheng, YH Zheng, B Zhong, X Zhong, H Zhou, LP Zhou, X Zhou, XK Zhou, XR Zhou, XY Zhou, YZ Zhou, J Zhu, K Zhu, KJ Zhu, L Zhu, LX Zhu, SH Zhu, SQ Zhu, TJ Zhu, WJ Zhu, YC Zhu, ZA Zhu, JH Zou, J Zu
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Measurement of prompt D + and D s + production in p Pb collisions at s NN = 5. 02 TeV

Journal of High Energy Physics Springer 2024:1 (2024) 70

Authors:

R Aaij, ASW Abdelmotteleb, C Abellan Beteta, F Abudinén, T Ackernley, B Adeva, M Adinolfi, P Adlarson, H Afsharnia, C Agapopoulou, CA Aidala, Z Ajaltouni, S Akar, K Akiba, P Albicocco, J Albrecht, F Alessio, M Alexander, A Alfonso Albero, Z Aliouche, P Alvarez Cartelle, R Amalric, S Amato, JL Amey

Abstract:

The production of prompt D+ and Ds+ mesons is studied in proton-lead collisions at a centre-of-mass energy of sNN = 5.02 TeV. The data sample corresponding to an integrated luminosity of (1.58 ± 0.02)nb−1 is collected by the LHCb experiment at the LHC. The differential production cross-sections are measured using D+ and Ds+ candidates with transverse momentum in the range of 0 < pT< 14 GeV/c and rapidities in the ranges of 1.5 < y∗< 4.0 and –5.0 < y∗< –2.5 in the nucleon-nucleon centre-of-mass system. For both particles, the nuclear modification factor and the forward-backward production ratio are determined. These results are compared with theoretical models that include initial-state nuclear effects. In addition, measurements of the cross-section ratios between D+, Ds+ and D0 mesons are presented, providing a baseline for studying the charm hadronization in lead-lead collisions at LHC energies.
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