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First measurements of χcJ→Σ-Σ¯+(J=0,1,2) decays

Physical Review D American Physical Society (APS) 101:9 (2020) 092002

Authors:

M Ablikim, MN Achasov, P Adlarson, S Ahmed, M Albrecht, A Amoroso, Q An, Anita, Y Bai, O Bakina, R Baldini Ferroli, I Balossino, Y Ban, K Begzsuren, JV Bennett, N Berger, M Bertani, D Bettoni, F Bianchi, J Biernat, J Bloms, A Bortone, I Boyko, RA Briere, H Cai, X Cai, A Calcaterra, GF Cao, N Cao, SA Cetin, JF Chang, WL Chang, G Chelkov, DY Chen, G Chen, HS Chen, ML Chen, SJ Chen, XR Chen, YB Chen, W Cheng, G Cibinetto, F Cossio, XF Cui, HL Dai, JP Dai, XC Dai, A Dbeyssi, RB de Boer, D Dedovich, ZY Deng, A Denig, I Denysenko, M Destefanis, F De Mori, Y Ding, C Dong, J Dong, LY Dong, MY Dong, SX Du, J Fang, SS Fang, Y Fang, R Farinelli, L Fava, F Feldbauer, G Felici, CQ Feng, M Fritsch, CD Fu, Y Fu, XL Gao, Y Gao, Y Gao, YG Gao, I Garzia, EM Gersabeck, A Gilman, K Goetzen, L Gong, WX Gong, W Gradl, M Greco, LM Gu, MH Gu, S Gu, YT Gu, CY Guan, AQ Guo, LB Guo, RP Guo, YP Guo, YP Guo, A Guskov, S Han, TT Han, TZ Han, XQ Hao, FA Harris, KL He, FH Heinsius, T Held, YK Heng, M Himmelreich, T Holtmann, YR Hou, ZL Hou, HM Hu, JF Hu, T Hu, Y Hu, GS Huang, LQ Huang, XT Huang, Z Huang, N Huesken, T Hussain, W Ikegami Andersson, W Imoehl, M Irshad, S Jaeger, S Janchiv, Q Ji, QP Ji, XB Ji, XL Ji, HB Jiang, XS Jiang, XY Jiang, JB Jiao, Z Jiao, S Jin, Y Jin, T Johansson, N Kalantar-Nayestanaki, XS Kang, R Kappert, M Kavatsyuk, BC Ke, IK Keshk, A Khoukaz, P Kiese, R Kiuchi, R Kliemt, L Koch, OB Kolcu, B Kopf, M Kuemmel, M Kuessner, A Kupsc, MG Kurth, W Kühn, JJ Lane, JS Lange, P Larin, L Lavezzi, H Leithoff, M Lellmann, T Lenz, C Li, CH Li, Cheng Li, DM Li, F Li, G Li, HB Li, HJ Li, JL Li, JQ Li, Ke Li, LK Li, Lei Li, PL Li, PR Li, SY Li, WD Li, WG Li, XH Li, XL Li, ZB Li, ZY Li, H Liang, H Liang, YF Liang, YT Liang, LZ Liao, J Libby, CX Lin, B Liu, BJ Liu, CX Liu, D Liu, DY Liu, FH Liu, Fang Liu, Feng Liu, HB Liu, HM Liu, Huanhuan Liu, Huihui Liu, JB Liu, JY Liu, K Liu, KY Liu, Ke Liu, L Liu, Q Liu, SB Liu, Shuai Liu, T Liu, X Liu, YB Liu, ZA Liu, ZQ Liu, YF Long, XC Lou, HJ Lu, JD Lu, JG Lu, XL Lu, Y Lu, YP Lu, CL Luo, MX Luo, PW Luo, T Luo, XL Luo, S Lusso, XR Lyu, F C., H L., L L., M M., Q M., R Q., R T., X N., X X., X Y., Y M., FE Maas, M Maggiora, S Maldaner, S Malde, QA Malik, A Mangoni, YJ Mao, ZP Mao, S Marcello, ZX Meng, JG Messchendorp, G Mezzadri, TJ Min, RE Mitchell, XH Mo, YJ Mo, N Yu Muchnoi, H Muramatsu, S Nakhoul, Y Nefedov, F Nerling, IB Nikolaev, Z Ning, S Nisar, SL Olsen, Q Ouyang, S Pacetti, X Pan, Y Pan, A Pathak, P Patteri, M Pelizaeus, HP Peng, K Peters, J Pettersson, JL Ping, RG Ping, A Pitka, R Poling, V Prasad, H Qi, HR Qi, M Qi, TY Qi, S Qian, W-B Qian, Z Qian, CF Qiao, LQ Qin, XP Qin, XS Qin, ZH Qin, JF Qiu, SQ Qu, KH Rashid, K Ravindran, CF Redmer, A Rivetti, V Rodin, M Rolo, G Rong, Ch Rosner, M Rump, A Sarantsev, M Savrié, Y Schelhaas, C Schnier, K Schoenning, DC Shan, W Shan, XY Shan, M Shao, CP Shen, PX Shen, XY Shen, HC Shi, RS Shi, X Shi, XD Shi, JJ Song, QQ Song, WM Song, YX Song, S Sosio, S Spataro, FF Sui, GX Sun, JF Sun, L Sun, SS Sun, T Sun, WY Sun, YJ Sun, YK Sun, YZ Sun, ZT Sun, YH Tan, YX Tan, CJ Tang, GY Tang, J Tang, V Thoren, B Tsednee, I Uman, B Wang, BL Wang, CW Wang, DY Wang, HP Wang, K Wang, LL Wang, M Wang, MZ Wang, Meng Wang, WH Wang, WP Wang, X Wang, XF Wang, XL Wang, Y Wang, Y Wang, YD Wang, YF Wang, YQ Wang, Z Wang, ZY Wang, Ziyi Wang, Zongyuan Wang, T Weber, DH Wei, P Weidenkaff, F Weidner, SP Wen, DJ White, U Wiedner, G Wilkinson, M Wolke, L Wollenberg, JF Wu, LH Wu, LJ Wu, X Wu, Z Wu, L Xia, H Xiao, SY Xiao, YJ Xiao, ZJ Xiao, XH Xie, YG Xie, YH Xie, TY Xing, XA Xiong, GF Xu, JJ Xu, QJ Xu, W Xu, XP Xu, L Yan, L Yan, WB Yan, WC Yan, Xu Yan, HJ Yang, HX Yang, L Yang, RX Yang, SL Yang, YH Yang, YX Yang, Yifan Yang, Zhi Yang, M Ye, MH Ye, JH Yin, ZY You, BX Yu, CX Yu, G Yu, JS Yu, T Yu, CZ Yuan, W Yuan, XQ Yuan, Y Yuan, ZY Yuan, CX Yue, A Yuncu, AA Zafar, Y Zeng, BX Zhang, Guangyi Zhang, HH Zhang, HY Zhang, JL Zhang, JQ Zhang, JW Zhang, JY Zhang, JZ Zhang, Jianyu Zhang, Jiawei Zhang, L Zhang, Lei Zhang, S Zhang, SF Zhang, TJ Zhang, XY Zhang, Y Zhang, YH Zhang, YT Zhang, Yan Zhang, Yao Zhang, Yi Zhang, ZH Zhang, ZY Zhang, G Zhao, J Zhao, JY Zhao, JZ Zhao, Lei Zhao, Ling Zhao, MG Zhao, Q Zhao, SJ Zhao, YB Zhao, YX Zhao Zhao, ZG Zhao, A Zhemchugov, B Zheng, JP Zheng, Y Zheng, YH Zheng, B Zhong, C Zhong, LP Zhou, Q Zhou, X Zhou, XK Zhou, XR Zhou, AN Zhu, J Zhu, K Zhu, KJ Zhu, SH Zhu, WJ Zhu, XL Zhu, YC Zhu, ZA Zhu, BS Zou, JH Zou
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Test-beam studies of a small-scale TORCH time-of-flight demonstrator

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment Elsevier BV 961 (2020) 163671

Authors:

T Conneely, D Cussans, S Bhasin, T Blake, N Brook, EPM Gabriel, R Forty, C Frei, R Gao, T Hadavizadeh, TH Hancock, T Gershon, N Harnew, T Gys, D Piedigrossi, J Rademacker, J Milnes, M Kreps, M van Dijk
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Study of e + e − → D + D − π + π − at center-of-mass energies from 4.36 to 4.60GeV

Physics Letters B Elsevier 804 (2020) 135395

Authors:

BESIII Collaboration, M Ablikim, MN Achasov, P Adlarson, S Ahmed, M Albrecht, M Alekseev, A Amoroso, FF An, Q An, Y Bai, O Bakina, R Baldini Ferroli, I Balossino Balossino, Y Ban, K Begzsuren, JV Bennett, N Berger, M Bertani, D Bettoni, F Bianchi, J Biernat, J Bloms, I Boyko, RA Briere, H Cai, X Cai, A Calcaterra, GF Cao, N Cao, SA Cetin, J Chai, JF Chang, WL Chang, G Chelkov, DY Chen, G Chen, HS Chen, JC Chen, ML Chen, SJ Chen, YB Chen, W Cheng, G Cibinetto, F Cossio, XF Cui, HL Dai, JP Dai, XC Dai, A Dbeyssi, D Dedovich, ZY Deng, A Denig, I Denysenko, M Destefanis, F De Mori, Y Ding, C Dong, J Dong, LY Dong, MY Dong, ZL Dou, SX Du, JZ Fan, J Fang, SS Fang, Y Fang, R Farinelli, L Fava, F Feldbauer, G Felici, CQ Feng, M Fritsch, CD Fu, Y Fu, Q Gao, XL Gao, Y Gao, Y Gao, YG Gao, Z Gao, B Garillon, I Garzia, EM Gersabeck, A Gilman, K Goetzen, L Gong, WX Gong, W Gradl, M Greco, LM Gu, MH Gu, S Gu, YT Gu, AQ Guo, LB Guo, RP Guo, YP Guo, A Guskov, S Han, XQ Hao, FA Harris, KL He, FH Heinsius, T Held, YK Heng, M Himmelreich, YR Hou, ZL Hou, HM Hu, JF Hu, T Hu, Y Hu, GS Huang, JS Huang, XT Huang, XZ Huang, N Huesken, T Hussain, W Ikegami Andersson, W Imoehl, M Irshad, Q Ji, QP Ji, XB Ji, XL Ji, HL Jiang, XS Jiang, XY Jiang, JB Jiao, Z Jiao, DP Jin, S Jin, Y Jin, T Johansson, N Kalantar-Nayestanaki, XS Kang, R Kappert, M Kavatsyuk, BC Ke, IK Keshk, A Khoukaz, P Kiese, R Kiuchi, R Kliemt, L Koch, OB Kolcu, B Kopf, M Kuemmel, M Kuessner, A Kupsc, M Kurth, MG Kurth, W Kühn, JS Lange, P Larin, L Lavezzi, H Leithoff, T Lenz, C Li, Cheng Li, DM Li, F Li, FY Li, G Li, HB Li, HJ Li, JC Li, JW Li, Ke Li, LK Li, Lei Li, PL Li, PR Li, QY Li, WD Li, WG Li, XH Li, XL Li, XN Li, XQ Li, ZB Li, ZY Li, H Liang, H Liang, YF Liang, YT Liang, GR Liao, LZ Liao, J Libby, CX Lin, DX Lin, YJ Lin, B Liu, BJ Liu, CX Liu, D Liu, DY Liu, FH Liu, Fang Liu, Feng Liu, HB Liu, HM Liu, Huanhuan Liu, Huihui Liu, JB Liu, JY Liu, KY Liu, Ke Liu, LD Liu, LY Liu, Q Liu, SB Liu, T Liu, X Liu, XY Liu, YB Liu, ZA Liu, Zhiqing Liu, YF Long, XC Lou, HJ Lu, JD Lu, JG Lu, Y Lu, YP Lu, CL Luo, MX Luo, PW Luo, T Luo, XL Luo, S Lusso, XR Lyu, FC Ma, HL Ma, LL Ma, MM Ma, QM Ma, XN Ma, XX Ma, XY Ma, YM Ma, FE Maas, M Maggiora, S Maldaner, S Malde, QA Malik, A Mangoni, YJ Mao, ZP Mao, S Marcello, ZX Meng, JG Messchendorp, G Mezzadri, J Min, TJ Min, RE Mitchell, XH Mo, YJ Mo, C Morales Morales, N Yu Muchnoi, H Muramatsu, A Mustafa, S Nakhoul, Y Nefedov, F Nerling, IB Nikolaev, Z Ning, S Nisar, SL Niu, SL Olsen, Q Ouyang, S Pacetti, Y Pan, M Papenbrock, P Patteri, M Pelizaeus, HP Peng, K Peters, J Pettersson, JL Ping, RG Ping, A Pitka, R Poling, V Prasad, M Qi, TY Qi, S Qian, CF Qiao, N Qin, XP Qin, XS Qin, ZH Qin, JF Qiu, SQ Qu, KH Rashid, CF Redmer, M Richter, A Rivetti, V Rodin, M Rolo, G Rong, Ch Rosner, M Rump, A Sarantsev, M Savrié, K Schoenning, W Shan, XY Shan, M Shao, CP Shen, PX Shen, XY Shen, HY Sheng, X Shi, XD Shi, JJ Song, QQ Song, XY Song, S Sosio, C Sowa, S Spataro, FF Sui, GX Sun, JF Sun, L Sun, SS Sun, XH Sun, YJ Sun, YK Sun, YZ Sun, ZJ Sun, ZT Sun, YT Tan, CJ Tang, GY Tang, X Tang, V Thoren, B Tsednee, I Uman, B Wang, BL Wang, CW Wang, DY Wang, HH Wang, K Wang, LL Wang, LS Wang, M Wang, MZ Wang, Meng Wang, PL Wang, RM Wang, WP Wang, X Wang, XF Wang, XL Wang, Y Wang, Y Wang, YF Wang, Z Wang, ZG Wang, ZY Wang, Zongyuan Wang, T Weber, DH Wei, P Weidenkaff, HW Wen, SP Wen, U Wiedner, G Wilkinson, M Wolke, LH Wu, LJ Wu, Z Wu, L Xia, Y Xia, SY Xiao, YJ Xiao, ZJ Xiao, YG Xie, YH Xie, TY Xing, XA Xiong, QL Xiu, GF Xu, JJ Xu, L Xu, QJ Xu, W Xu, XP Xu, F Yan, L Yan, WB Yan, WC Yan, YH Yan, HJ Yang, HX Yang, L Yang, RX Yang, SL Yang, YH Yang, YX Yang, Yifan Yang, ZQ Yang, M Ye, MH Ye, JH Yin, ZY You, BX Yu, CX Yu, JS Yu, CZ Yuan, XQ Yuan, Y Yuan, A Yuncu, AA Zafar, Y Zeng, BX Zhang, BY Zhang, CC Zhang, DH Zhang, HH Zhang, HY Zhang, J Zhang, JL Zhang, JQ Zhang, JW Zhang, JY Zhang, JZ Zhang, K Zhang, L Zhang, SF Zhang, TJ Zhang, XY Zhang, Y Zhang, YH Zhang, YT Zhang, Yang Zhang, Yao Zhang, Yi Zhang, Yu Zhang, ZH Zhang, ZP Zhang, ZY Zhang, G Zhao, JW Zhao, JY Zhao, JZ Zhao, Lei Zhao, Ling Zhao, MG Zhao, Q Zhao, SJ Zhao, TC Zhao, YB Zhao, ZG Zhao, A Zhemchugov, B Zheng, JP Zheng, Y Zheng, YH Zheng, B Zhong, L Zhou, LP Zhou, Q Zhou, X Zhou, XK Zhou, XR Zhou, Xiaoyu Zhou, Xu Zhou, AN Zhu, J Zhu, J Zhu, K Zhu, KJ Zhu, SH Zhu, WJ Zhu, XL Zhu, YC Zhu, YS Zhu, ZA Zhu, J Zhuang, BS Zou, JH Zou
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Phase I Upgrade of the Readout System of the Vertex Detector at the LHCb Experiment

IEEE Transactions on Nuclear Science Institute of Electrical and Electronics Engineers (IEEE) 67:4 (2020) 732-739

Authors:

Antonio Fernandez Prieto, Pablo Vazquez Regueiro, Karol Hennessy, Jan Buytaert, Martin van Beuzekom, Edgar Lemos Cid, Lars Eklund, Kristof de Bruyn, Sneha Naik, Manuel Schiller, Donal Murray, Alexander Leflat, Oscar Boente Garcia, Abraham Gallas Torreira, Beatriz Garcia Plana, Themis Bowcock, Francesco Dettori, Karlis Dreimanis, Vinicius Franco Lima, David Hutchcroft, Kurt Rinnert, Tara Shears, Oscar Augusto, Victor Coco, Paula Collins, Tim Evans, Massi Ferro-Luzzi, Wolfgang Funk, Heinrich Schindler, Kazu Akiba, Elena Dall'Occo, Cristina Sanchez Graz, Wouter Hulsbergen, Daniel Hynds, Igor Kostiuk, Marcel Merk, Aleksandra Snoch, Dana Seman Bobulska, Silvia Borghi, Stefano de Capua, Deepanwita Dutta, Marco Gersabeck, Chris Parkes, Peter Svihra, Mark Williams, Galina Bogdanova, Vladimir Volkov, Pawel Kopciewicz, Maciej Majewski, Agnieszka Oblakowska-Mucha, Bartlomej Rachwal, Tomasz Szumlak, Lucas Meyer Garcia, Franciole Marinho, Larissa Helena Mendes, Irina Nasteva, Juan Otalora, Gabriel Rodrigues, Jaap Velthuis, Pawel Jalocha, Malcolm John, Nathan Jurik, Luke Scantlebury-Smead, John Back, Tim Gershon, Tom Latham, Andrew Morris
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Status of the TORCH Project

Journal of Instrumentation IOP Publishing 15 (2020) C04031

Authors:

Neville Harnew, S Bhasin, T Blake, rui Gao, TH Hancock

Abstract:

The TORCH time-of-flight detector will provide particle identification between 2–10 GeV/c momentum over a flight distance of 10 m, and is designed for large-area coverage, up to 30 m2. A 15 ps time-of-flight resolution per incident particle is anticipated by measuring the arrival times from Cherenkov photons produced in a synthetic fused silica radiator plate of 10 mm thickness. Customised Micro-Channel Plate Photomultiplier Tube (MCP-PMT) photon detectors of 53 × 53 mm2 active area with a 64 × 64 granularity have been developed with industrial partners. Test-beam studies using both a small-scale TORCH demonstrator and a half-length TORCH module are presented. The desired timing resolution of 70 ps per single photon is close to being achieved.
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