Data di Pubblicazione:
2021
Abstract:
Using a total of 5.25 fb(-1) of e(+)e(-) collision data with center-of-mass energies from 4.236 to 4.600 GeV, we report the first observation of the process e(+)e(-)-> eta psi(2S) with a statistical significance of 4.9 standard deviations. The data sets were collected by the BESIII detector operating at the BEPCII storage ring. We measure the yield of events integrated over center-of-mass energies and also present the energy dependence of the measured cross section.
Tipologia CRIS:
03A-Articolo su Rivista
Keywords:
e(+)-e(-) Experiments; Exotics; Particle and resonance production; Quarkonium
Elenco autori:
Ablikim, M; Achasov, MN; Adlarson, P; Ahmed, S; Albrecht, M; Aliberti, R; Amoroso, A; An, MR; An, Q; Bai, XH; Bai, Y; Bakina, O; Ferroli, RB; Balossino, I; Ban, Y; Begzsuren, K; Berger, N; Bertani, M; Bettoni, D; Bianchi, F; Bloms, J; Bortone, A; Boyko, I; Briere, RA; Cai, H; Cai, X; Calcaterra, A; Cao, GF; Cao, N; Cetin, SA; Chang, JF; Chang, WL; Chelkov, G; Chen, DY; Chen, G; Chen, HS; Chen, ML; Chen, SJ; Chen, XR; Chen, YB; Chen, ZJ; Cheng, WS; Cibinetto, G; Cossio, F; Cui, XF; Dai, HL; Dai, XC; Dbeyssi, A; de Boer, RE; Dedovich, D; Deng, ZY; Denig, A; Denysenko, I; Destefanis, M; De Mori, F; Ding, Y; Dong, C; Dong, J; Dong, LY; Dong, MY; Dong, X; Du, SX; Fan, YL; Fang, J; Fang, SS; Fang, Y; Farinelli, R; Fava, L; Feldbauer, F; Felici, G; Feng, CQ; Feng, JH; Fritsch, M; Fu, CD; Gao, Y; Gao, Y; Gao, Y; Gao, YG; Garzia, I; Ge, PT; Geng, C; Gersabeck, EM; Gilman, A; Goetzen, K; Gong, L; Gong, WX; Gradl, W; Greco, M; Gu, LM; Gu, MH; Gu, S; Gu, YT; Guan, CY; Guo, AQ; Guo, LB; Guo, RP; Guo, YP; Guskov, A; Han, TT; Han, WY; Hao, XQ; Harris, FA; He, KL; Heinsius, FH; Heinz, CH; Held, T; Heng, YK; Herold, C; Himmelreich, M; Holtmann, T; Hou, GY; Hou, YR; Hou, ZL; Hu, HM; Hu, JF; Hu, T; Hu, Y; Huang, GS; Huang, LQ; Huang, XT; Huang, YP; Huang, Z; Hussain, T; Husken, N; Andersson, WI; Imoehl, W; Irshad, M; Jaeger, S; Janchiv, S; Ji, Q; Ji, QP; Ji, XB; Ji, XL; Ji, YY; Jiang, HB; Jiang, XS; Jiao, JB; Jiao, Z; Jin, S; Jin, Y; Jing, MQ; Johansson, T; Kalantar-Nayestanaki, N; Kang, XS; Kappert, R; Kavatsyuk, M; Ke, BC; Keshk, IK; Khoukaz, A; Kiese, P; Kiuchi, R; Kliemt, R; Koch, L; Kolcu, OB; Kopf, B; Kuemmel, M; Kuessner, M; Kupsc, A; Kurth, MG; Kuhn, W; Lane, JJ; Lange, JS; Larin, P; Lavania, A; Lavezzi, L; Lei, ZH; Leithoff, H; Lellmann, M; Lenz, T; Li, C; Li, CH; Li, C; Li, DM; Li, F; Li, G; Li, H; Li, H; Li, HB; Li, HJ; Li, JL; Li, JQ; Li, JS; Li, K; Li, LK; Li, L; Li, PR; Li, SY; Li, WD; Li, WG; Li, XH; Li, XL; Li, XY; Li, ZY; Liang, H; Liang, H; Liang, H; Liang, YF; Liang, YT; Liao, GR; Liao, LZ; Libby, J; Lin, CX; Liu, BJ; Liu, CX; Liu, D; Liu, FH; Liu, F; Liu, F; Liu, HB; Liu, HM; Liu, HH; Liu, HH; Liu, JB; Liu, JL; Liu, JY; Liu, K; Liu, KY; Liu, L; Liu, MH; Liu, PL; Liu, Q; Liu, Q; Liu, SB; Liu, S; Liu, T; Liu, WM; Liu, X; Liu, Y; Liu, YB; Liu, ZA; Liu, ZQ; Lou, XC; Lu, FX; Lu, HJ; Lu, JD; Lu, JG; Lu, XL; Lu, Y; Lu, YP; Luo, CL; Luo, MX; Luo, PW; Luo, T; Luo, XL; Lyu, XR; Ma, FC; Ma, HL; Ma, LL; Ma, MM; Ma, QM; Ma, RQ; Ma, RT; Ma, XX; Ma, XY; Maas, FE; Maggiora, M; Maldaner, S; Malde, S; Mangoni, A; Mao, YJ; Mao, ZP; Marcello, S; Meng, ZX; Messchendorp, JG; Mezzadri, G; Min, TJ; Mitchell, RE; Mo, XH; Mo, YJ; Muchnoi, NY; Muramatsu, H; Nakhoul, S; Nefedov, Y; Nerling, F; Nikolaev, IB; Ning, Z; Nisar, S; Olsen, SL; Ouyang, Q; Pacetti, S; Pan, X; Pan, Y; Pathak, A; Patteri, P; Pelizaeus, M; Peng, HP; Peters, K; Pettersson, J; Ping, JL; Ping, RG; Pogodin, S; Poling, R; Prasad, V; Qi, H; Qi, HR; Qi, KH; Qi, M; Qi, TY; Qian, S; Qian, WB; Qian, Z; Qiao, CF; Qin, LQ; Qin, XP; Qin, XS; Qin, ZH; Qiu, JF; Qu, SQ; Rashid, KH; Ravindran, K; Redmer, CF; Rivetti, A; Rodin, V; Rolo, M; Rong, G; Rosner, C; Rump, M; Sang, HS; Sarantsev, A; Schelhaas, Y; Schnier, C; Schoenning, K; Scodeggio, M; Shan, DC; Shan, W; Shan, XY; Shangguan, JF; Shao, M; Shen, CP; Shen, HF; Shen, PX; Shen, XY; Shi, HC; Shi, RS; Shi, X; Shi, XD; Song, JJ; Song, WM; Song, YX; Sosio, S; Spataro, S; Su, KX; Su, PP; Sui, FF; Sun, GX; Sun, HK; Sun, JF; Sun, L; Sun, SS; Sun, T; Sun, WY; Sun, WY; Sun, X; Sun, YJ; Sun, YK; Sun, YZ; Sun, ZT; Tan, YH; Tan, YX; Tang, CJ; Tang, GY; Tang, J; Teng, JX; Thoren, V; Tian, WH; Tian, YT; Uman, I; Wang, B; Wang, CW; Wang, DY; Wang, HJ; Wang, HP; Wang, K; Wang, LL; Wang, M; Wang, MZ; Wang, M; Wang, W; Wang, WH; Wang, WP; Wang, X; Wang, XF; Wang, XL; Wang, Y; Wang, Y; Wang, YD; Wang, YF; Wang, YQ; Wang, YY; Wang, Z; Wang, ZY; Wang, ZY; Wang, ZY; Wei, DH; Weidner, F; Wen, SP; White, DJ; Wiedner, U; Wilkinson, G; Wolke, M; Wollenberg, L; Wu, JF; W
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