Search for the radiative transition χc1(3872)→γψ2(3823)
Physical Review D American Physical Society (APS) 110:1 (2024) 012012
Authors:
M Ablikim, MN Achasov, P Adlarson, O Afedulidis, XC Ai, R Aliberti, A Amoroso, MR An, 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, 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, ZL Guan, AQ Guo, LB Guo, MJ Guo, RP Guo, YP Guo, A Guskov, J Gutierrez, KL Han, TT Han, 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, 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, Ke 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, XZ Li, Xiaoyu Li, YG Li, ZJ Li, ZX Li, C Liang, H Liang, H Liang, YF Liang, YT Liang, GR Liao, LZ Liao, J Libby, A Limphirat, CC Lin, 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, 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, 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, Meng 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, 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, YC Yu, CZ Yuan, J Yuan, L Yuan, SC Yuan, Y Yuan, YJ Yuan, ZY Yuan, CX Yue, AA Zafar, FR Zeng, SH 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, 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, Shuihan Zhang, Shulei Zhang, XD Zhang, XM Zhang, XY Zhang, Y Zhang, YT Zhang, YH Zhang, YM Zhang, Yan Zhang, Yao Zhang, ZD Zhang, ZH Zhang, ZL Zhang, ZY Zhang, ZY Zhang, ZZ Zhang, G Zhao, JY Zhao, JZ Zhao, Lei Zhao, Ling 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 e+e-→ωX(3872) and γX(3872) from 4.66 to 4.95 GeV
Physical Review D American Physical Society (APS) 110:1 (2024) 012006
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, 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, 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, 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, XP 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, 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, TJ Zhu, WD Zhu, YC Zhu, ZA Zhu, JH Zou, J ZuAmplitude analysis of the Λ b 0 → pK − γ decay
Journal of High Energy Physics Springer 2024:6 (2024) 98
Authors:
R Aaij, ASW Abdelmotteleb, C Abellan Beteta, F Abudinén, T Ackernley, B Adeva, M Adinolfi, P Adlarson, 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, Y Amhis, D BacherAbstract:
The resonant structure of the radiative decay Λb0→pK−γ in the region of proton-kaon invariant-mass up to 2.5 GeV/c2 is studied using proton-proton collision data recorded at centre-of-mass energies of 7, 8, and 13 TeV collected with the LHCb detector, corresponding to a total integrated luminosity of 9 fb−1. Results are given in terms of fit and interference fractions between the different components contributing to this final state. Only Λ resonances decaying to pK− are found to be relevant, where the largest contributions stem from the Λ(1520), Λ(1600), Λ(1800), and Λ(1890) states.The LHCb VELO Upgrade module construction
Journal of Instrumentation IOP Publishing 19:06 (2024) P06023
Authors:
K Akiba, M Alexander, C Bertella, A Biolchini, A Bitadze, G Bogdanova, S Borghi, TJV Bowcock, K Bridges, M Brock, AT Burke, J Buytaert, W Byczynski, J Carroll, V Coco, P Collins, A Davis, O De Aguiar Francisco, K De Bruyn, S De Capua, K De Roo, F Doherty, L Douglas, L Dufour, M JohnAbstract:
The LHCb detector has undergone a major upgrade for LHC Run 3. This Upgrade I detector facilitates operation at higher luminosity and utilises full-detector information at the LHC collision rate, critically including the use of vertex information. A new vertex locator system, the VELO Upgrade, has been constructed. The core element of the new VELO are the double-sided pixelated hybrid silicon detector modules which operate in vacuum close to the LHC beam in a high radiation environment. The construction and quality assurance tests of these modules are described in this paper. The modules incorporate 200 μm thick, n-on-p silicon sensors bump-bonded to 130 nm technology ASICs. These are attached with high precision to a silicon microchannel substrate that uses evaporative CO2 cooling. The ASICs are controlled and read out with flexible printed circuits that are glued to the substrate and wire-bonded to the chips. The mechanical support of the module is given by a carbon fibre plate, two carbon fibre rods and an aluminium plate. The sensor attachment was achieved with an average precision of 21 μm, more than 99.5% of all pixels are fully functional, and a thermal figure of merit of 3 Kcm2W-1 was achieved. The production of the modules was successfully completed in 2021, with the final assembly and installation completed in time for data taking in 2022.Modification of χc1(3872) and ψ(2S) Production in pPb Collisions at sNN=8.16 TeV
Physical Review Letters American Physical Society (APS) 132:24 (2024) 242301