Study of the decays χcJ→ΛΛ¯ϕ
Physical Review D American Physical Society (APS) 110:3 (2024) 032016
Authors:
M Ablikim, MN Achasov, P Adlarson, O Afedulidis, XC Ai, R Aliberti, A Amoroso, Q An, Y Bai, O Bakina, I Balossino, Y Ban, H-R Bao, 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, G R., G Chelkov, C Chen, CH Chen, Chao Chen, G Chen, HS Chen, HY Chen, ML Chen, SJ Chen, SL Chen, SM Chen, T Chen, XR Chen, XT Chen, YB Chen, YQ Chen, ZJ Chen, ZY Chen, SK Choi, G Cibinetto, F Cossio, JJ Cui, HL Dai, JP Dai, A Dbeyssi, RE de Boer, D Dedovich, CQ Deng, 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, YY Duan, ZH Duan, P Egorov, YH Fan, J Fang, J Fang, SS Fang, WX Fang, Y Fang, YQ Fang, R Farinelli, L Fava, F Feldbauer, G Felici, CQ Feng, JH Feng, YT Feng, M Fritsch, CD Fu, JL Fu, YW Fu, H Gao, XB Gao, YN Gao, Yang Gao, S Garbolino, I Garzia, L Ge, 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, AQ Guo, LB Guo, MJ Guo, RP Guo, YP Guo, A Guskov, J Gutierrez, KL Han, TT Han, F Hanisch, XQ Hao, FA Harris, KK He, KL He, FH Heinsius, CH Heinz, YK Heng, C Herold, T Holtmann, PC Hong, GY Hou, XT Hou, YR Hou, ZL Hou, BY Hu, HM Hu, JF Hu, SL Hu, T Hu, Y Hu, GS Huang, KX Huang, LQ Huang, XT Huang, YP Huang, YS Huang, T Hussain, F Hölzken, N Hüsken, N in der Wiesche, J Jackson, S Janchiv, JH Jeong, Q Ji, QP Ji, W Ji, XB Ji, XL Ji, YY Ji, XQ Jia, ZK Jia, D Jiang, HB Jiang, PC Jiang, SS Jiang, TJ Jiang, XS Jiang, Y Jiang, JB Jiao, JK Jiao, Z Jiao, S Jin, Y Jin, MQ Jing, XM Jing, T Johansson, S Kabana, N Kalantar-Nayestanaki, XL Kang, XS Kang, M Kavatsyuk, BC Ke, V Khachatryan, A Khoukaz, R Kiuchi, OB Kolcu, B Kopf, M Kuessner, X Kui, N Kumar, A Kupsc, W Kühn, JJ Lane, P Larin, L Lavezzi, TT Lei, ZH Lei, M Lellmann, T Lenz, C Li, C Li, CH Li, Cheng Li, DM Li, F Li, G Li, HB Li, HJ Li, HN Li, Hui Li, JR Li, JS Li, K Li, LJ Li, LK Li, Lei Li, MH Li, PR Li, QM Li, QX Li, R Li, SX Li, T Li, WD Li, WG Li, X Li, XH Li, XL Li, XY Li, XZ Li, YG Li, ZJ Li, ZY Li, C Liang, H Liang, H Liang, YF Liang, YT Liang, GR Liao, LZ Liao, YP Liao, J Libby, A Limphirat, CC Lin, DX Lin, T Lin, BJ Liu, BX Liu, C Liu, CX Liu, F Liu, FH Liu, Feng Liu, GM Liu, H Liu, HB Liu, HH Liu, HM Liu, Huihui Liu, JB 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, X Liu, Y Liu, Y Liu, YB Liu, ZA Liu, ZD Liu, ZQ Liu, XC Lou, FX Lu, HJ Lu, JG Lu, XL Lu, Y Lu, YP Lu, ZH Lu, CL Luo, JR Luo, MX Luo, T Luo, XL Luo, XR Lyu, YF Lyu, F C., H Ma, H L., J L., L L., M M., Q M., R Q., T Ma, X T., X Y., Y Ma, Y M., FE Maas, M Maggiora, S Malde, YJ Mao, ZP Mao, S Marcello, ZX Meng, JG Messchendorp, G Mezzadri, H Miao, TJ Min, RE Mitchell, XH Mo, B Moses, N Yu Muchnoi, J Muskalla, Y Nefedov, F Nerling, LS Nie, 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, XK Qiao, JJ Qin, LQ Qin, LY Qin, XS Qin, ZH Qin, JF Qiu, ZH 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, ZJ Shang, LG Shao, M Shao, CP Shen, HF Shen, WH Shen, XY Shen, YM Shen, BA Shi, H Shi, HC Shi, JL Shi, JY Shi, QQ Shi, SY 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, ZQ Sun, ZT Sun, CJ Tang, GY Tang, J Tang, M Tang, YA Tang, LY Tao, QT Tao, M Tat, JX Teng, V Thoren, WH Tian, Y Tian, ZF Tian, I Uman, Y Wan, SJ Wang, B Wang, BL Wang, Bo Wang, DY Wang, F Wang, HJ Wang, JJ Wang, JP Wang, K Wang, LL Wang, M Wang, NY Wang, S Wang, S Wang, T Wang, TJ Wang, W Wang, W Wang, WP Wang, X Wang, XF Wang, XJ Wang, XL Wang, XN Wang, Y Wang, YD Wang, YF Wang, YL Wang, YN Wang, YQ Wang, Yaqian Wang, Yi Wang, Z Wang, ZL Wang, ZY Wang, Ziyi Wang, DH Wei, F Weidner, SP Wen, YR Wen, 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, BH Xiang, 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, M 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, T Yang, Y Yang, YF Yang, YF Yang, YX 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, YC Yu, CZ Yuan, J Yuan, J Yuan, L Yuan, SC Yuan, Y Yuan, ZY Yuan, CX Yue, AA Zafar, FR Zeng, SH Zeng, X Zeng, Y Zeng, YJ Zeng, YJ Zeng, XY Zhai, YC Zhai, YH Zhan, AQ Zhang, BL Zhang, BX Zhang, DH Zhang, GY Zhang, H Zhang, H Zhang, HC Zhang, HH Zhang, HH Zhang, HQ Zhang, HR Zhang, HY Zhang, J Zhang, J Zhang, JJ Zhang, JL Zhang, JQ Zhang, JS Zhang, JW Zhang, JX Zhang, JY Zhang, JZ Zhang, Jianyu Zhang, LM Zhang, Lei Zhang, P Zhang, QY Zhang, RY Zhang, SH Zhang, Shulei Zhang, XD Zhang, XM Zhang, XY Zhang, Y Zhang, Y Zhang, YT Zhang, YH Zhang, YM Zhang, Yan Zhang, ZD Zhang, ZH Zhang, ZL Zhang, ZY Zhang, ZY Zhang, ZZ Zhang, G Zhao, JY Zhao, JZ Zhao, L Zhao, Lei Zhao, MG Zhao, N Zhao, RP Zhao, SJ Zhao, YB Zhao, YX Zhao, ZG Zhao, A Zhemchugov, B Zheng, BM Zheng, JP Zheng, WJ Zheng, YH Zheng, B Zhong, X Zhong, H Zhou, JY Zhou, LP Zhou, S Zhou, X Zhou, XK Zhou, XR Zhou, XY Zhou, YZ Zhou, J Zhu, K Zhu, KJ Zhu, KS Zhu, L Zhu, LX Zhu, SH Zhu, SQ Zhu, TJ Zhu, WD Zhu, YC Zhu, ZA Zhu, JH Zou, J ZuStudy of the decays χcJ→ΛΛ¯ω
Physical Review D American Physical Society (APS) 110:3 (2024) 032022
Authors:
M Ablikim, MN Achasov, P Adlarson, O Afedulidis, XC Ai, R Aliberti, A Amoroso, Q An, Y Bai, O Bakina, I Balossino, Y Ban, H-R Bao, 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, G R., G Chelkov, C Chen, CH Chen, Chao Chen, G Chen, HS Chen, HY Chen, ML Chen, SJ Chen, SL Chen, SM Chen, T Chen, XR Chen, XT Chen, YB Chen, YQ Chen, ZJ Chen, ZY Chen, SK Choi, G Cibinetto, F Cossio, JJ Cui, HL Dai, JP Dai, A Dbeyssi, RE de Boer, D Dedovich, CQ Deng, 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, YY Duan, ZH Duan, P Egorov, YH Fan, J Fang, J Fang, SS Fang, WX Fang, Y Fang, YQ Fang, R Farinelli, L Fava, F Feldbauer, G Felici, CQ Feng, JH Feng, YT Feng, M Fritsch, CD Fu, JL Fu, YW Fu, H Gao, XB Gao, YN Gao, Yang Gao, S Garbolino, I Garzia, L Ge, 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, AQ Guo, LB Guo, MJ Guo, RP Guo, YP Guo, A Guskov, J Gutierrez, KL Han, TT Han, F Hanisch, XQ Hao, FA Harris, KK He, KL He, FH Heinsius, CH Heinz, YK Heng, C Herold, T Holtmann, PC Hong, GY Hou, XT Hou, YR Hou, ZL Hou, BY Hu, HM Hu, JF Hu, SL Hu, T Hu, Y Hu, GS Huang, KX Huang, LQ Huang, XT Huang, YP Huang, YS Huang, T Hussain, F Hölzken, N Hüsken, N in der Wiesche, J Jackson, S Janchiv, JH Jeong, Q Ji, QP Ji, W Ji, XB Ji, XL Ji, YY Ji, XQ Jia, ZK Jia, D Jiang, HB Jiang, PC Jiang, SS Jiang, TJ Jiang, XS Jiang, Y Jiang, JB Jiao, JK Jiao, Z Jiao, S Jin, Y Jin, MQ Jing, XM Jing, T Johansson, S Kabana, N Kalantar-Nayestanaki, XL Kang, XS Kang, M Kavatsyuk, BC Ke, V Khachatryan, A Khoukaz, R Kiuchi, OB Kolcu, B Kopf, M Kuessner, X Kui, N Kumar, A Kupsc, W Kühn, JJ Lane, P Larin, L Lavezzi, TT Lei, ZH Lei, M Lellmann, T Lenz, C Li, C Li, CH Li, Cheng Li, DM Li, F Li, G Li, HB Li, HJ Li, HN Li, Hui Li, JR Li, JS Li, K Li, LJ Li, LK Li, Lei Li, MH Li, PR Li, QM Li, QX Li, R Li, SX Li, T Li, WD Li, WG Li, X Li, XH Li, XL Li, XY Li, XZ Li, YG Li, ZJ Li, ZY Li, C Liang, H Liang, H Liang, YF Liang, YT Liang, GR Liao, LZ Liao, YP Liao, J Libby, A Limphirat, CC Lin, DX Lin, T Lin, BJ Liu, BX Liu, C Liu, CX Liu, F Liu, FH Liu, Feng Liu, GM Liu, H Liu, HB Liu, HH Liu, HM Liu, Huihui Liu, JB 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, X Liu, Y Liu, Y Liu, YB Liu, ZA Liu, ZD Liu, ZQ Liu, XC Lou, FX Lu, HJ Lu, JG Lu, XL Lu, Y Lu, YP Lu, ZH Lu, CL Luo, JR Luo, MX Luo, T Luo, XL Luo, XR Lyu, YF Lyu, F C., H Ma, H L., J L., L L., M M., Q M., R Q., T Ma, X T., X Y., Y Ma, Y M., FE Maas, M Maggiora, S Malde, YJ Mao, ZP Mao, S Marcello, ZX Meng, JG Messchendorp, G Mezzadri, H Miao, TJ Min, RE Mitchell, XH Mo, B Moses, N Yu Muchnoi, J Muskalla, Y Nefedov, F Nerling, LS Nie, 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, XK Qiao, JJ Qin, LQ Qin, LY Qin, XS Qin, ZH Qin, JF Qiu, ZH 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, ZJ Shang, JF Shangguan, LG Shao, M Shao, CP Shen, HF Shen, WH Shen, XY Shen, BA Shi, H Shi, HC Shi, JL Shi, JY Shi, QQ Shi, SY 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, ZQ Sun, ZT Sun, CJ Tang, GY Tang, J Tang, M Tang, YA Tang, LY Tao, QT Tao, M Tat, JX Teng, V Thoren, WH Tian, Y Tian, ZF Tian, I Uman, Y Wan, SJ Wang, B Wang, BL Wang, Bo Wang, DY Wang, F Wang, HJ Wang, JJ Wang, JP Wang, K Wang, LL Wang, M Wang, NY Wang, S Wang, S Wang, T Wang, TJ Wang, W Wang, W Wang, WP Wang, X Wang, XF Wang, XJ Wang, XL Wang, XN Wang, Y Wang, YD Wang, YF Wang, YL Wang, YN Wang, YQ Wang, Yaqian Wang, Yi Wang, Z Wang, ZL Wang, ZY Wang, Ziyi Wang, DH Wei, F Weidner, SP Wen, YR Wen, 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, BH Xiang, 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, M 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, T Yang, Y Yang, YF Yang, YF Yang, YX 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, YC Yu, CZ Yuan, J Yuan, J Yuan, L Yuan, SC Yuan, Y Yuan, ZY Yuan, CX Yue, AA Zafar, FR Zeng, SH Zeng, X Zeng, Y Zeng, YJ Zeng, YJ Zeng, XY Zhai, YC Zhai, YH Zhan, AQ Zhang, BL Zhang, BX Zhang, DH Zhang, GY Zhang, H Zhang, H Zhang, HC Zhang, HH Zhang, HH Zhang, HQ Zhang, HR Zhang, HY Zhang, J Zhang, J Zhang, JJ Zhang, JL Zhang, JQ Zhang, JS Zhang, JW Zhang, JX Zhang, JY Zhang, JZ Zhang, Jianyu Zhang, LM Zhang, Lei Zhang, P Zhang, QY Zhang, RY Zhang, SH Zhang, Shulei Zhang, XD Zhang, XM Zhang, XY Zhang, Y Zhang, Y Zhang, YT Zhang, YH Zhang, YM Zhang, Yan Zhang, ZD Zhang, ZH Zhang, ZL Zhang, ZY Zhang, ZY Zhang, ZZ Zhang, G Zhao, JY Zhao, JZ Zhao, L Zhao, Lei Zhao, MG Zhao, N Zhao, RP Zhao, SJ Zhao, YB Zhao, YX Zhao, ZG Zhao, A Zhemchugov, B Zheng, BM Zheng, JP Zheng, WJ Zheng, YH Zheng, B Zhong, X Zhong, H Zhou, JY Zhou, LP Zhou, S Zhou, X Zhou, XK Zhou, XR Zhou, XY Zhou, YZ Zhou, J Zhu, K Zhu, KJ Zhu, KS Zhu, L Zhu, LX Zhu, SH Zhu, SQ Zhu, TJ Zhu, WD Zhu, YC Zhu, ZA Zhu, JH Zou, J ZuTracking of charged particles with nanosecond lifetimes at LHCb
The European Physical Journal C SpringerOpen 84:7 (2024) 761
Authors:
R Aaij, ASW Abdelmotteleb, C Abellan Beteta, F Abudinén, T Ackernley, JA Adams, AA Adefisoye, B Adeva, M Adinolfi, P Adlarson, C Agapopoulou, CA Aidala, Z Ajaltouni, S Akar, K Akiba, P Albicocco, J Albrecht, F Alessio, M Alexander, Z Aliouche, P Alvarez Cartelle, R Amalric, S Amato, JL Amey, D BacherAbstract:
A method is presented to reconstruct charged particles with lifetimes between 10ps and 10ns, which considers a combination of their decay products and the partial tracks created by the initial charged particle. Using the Ξ- baryon as a benchmark, the method is demonstrated with simulated events and proton-proton collision data at s=13TeV, corresponding to an integrated luminosity of 2.0fb-1 collected with the LHCb detector in 2018. Significant improvements in the angular resolution and the signal purity are obtained. The method is implemented as part of the LHCb Run 3 event trigger in a set of requirements to select detached hyperons. This is the first demonstration of the applicability of this approach at the LHC, and the first to show its scaling with instantaneous luminosity.Measurement of the cross sections of e + e − → K − Ξ ¯ + Λ / Σ 0 at center-of-mass energies between 3. 510 and 4. 914 GeV
Journal of High Energy Physics Springer 2024:7 (2024) 258
Authors:
M Ablikim, MN Achasov, P Adlarson, O Afedulidis, XC Ai, R Aliberti, A Amoroso, Q An, Y Bai, O Bakina, I Balossino, Y Ban, H-R Bao, V Batozskaya, K Begzsuren, N Berger, M Berlowski, M Bertani, D Bettoni, F Bianchi, E Bianco, A Bortone, I Boyko, RA BriereAbstract:
Using e+e− collision data collected with the BESIII detector at the BEPCII collider at center-of-mass energies between 3.510 and 4.914 GeV, corresponding to an integrated luminosity of 25 fb−1, we measure the Born cross sections for the process e+e−→K−Ξ¯+Λ/Σ0 at thirty-five energy points with a partial-reconstruction strategy. By fitting the dressed cross sections of e+e−→K−Ξ¯+Λ/Σ0, evidence for ψ4160→K−Ξ¯+Λ is found for the first time with a significance of 4.4σ, including systematic uncertainties. No evidence for other possible resonances is found. In addition, the products of electronic partial width and branching fraction for all assumed resonances decaying into K−Ξ¯+Λ/Σ0 are determined.Measurement of $D^0-\overline{D}^0$ mixing and search for $CP$ violation with $D^0\rightarrow K^+\pi^-$ decays
(2024)