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  1. Pubblicazioni

Observation of a State X(2600) in the π^{+}π^{-}η' System in the Process J/ψ→γπ^{+}π^{-}η'

Articolo
Data di Pubblicazione:
2022
Abstract:
Based on (10087 +/- 44) x 10(6) J/psi events collected with the BESIII detector, the process J/psi -> gamma pi(+)pi(-) eta'is studied using two largest decay channels of the eta' meson,eta' -> gamma pi(+)pi(-)and eta' -> eta pi(+)pi(-), eta ->gamma gamma.A new resonance, which we denote as the X(2600), is observed with a statistical significance larger than 20 sigma in the pi(|) pi(-) eta' invariant mass spectrum, and it has a connection to a structure around 1.5 GeV/c(2) in the pi(|) pi(-) invariant mass spectrum. A simultaneous fit on the pi(|) pi(-) eta' invariant mass spectra with the two eta' decay modes indicates that the mass and width of the X(2600) state are 2618.3 +/- 2.0(-1.4)+(16.3) MeV/c(2) and 195 +/- 5(-17)(+26) MeV, where the first uncertainties are statistical, and the second systematic.
Tipologia CRIS:
03A-Articolo su Rivista
Elenco autori:
Ablikim, M; Achasov, M N; Adlarson, P; Ahmed, S; Albrecht, M; Aliberti, R; Amoroso, A; An, M R; An, Q; Bai, X H; Bai, Y; Bakina, O; Baldini Ferroli, R; Balossino, I; Ban, Y; Batozskaya, V; Becker, D; Begzsuren, K; Berger, N; Bertani, M; Bettoni, D; Bianchi, F; Bloms, J; Bortone, A; Boyko, I; Briere, R A; Cai, H; Cai, X; Calcaterra, A; Cao, G F; Cao, N; Cetin, S A; Chang, J F; Chang, W L; Chelkov, G; Chen, C; Chen, G; Chen, H S; Chen, M L; Chen, S J; Chen, T; Chen, X R; Chen, X T; Chen, Y B; Chen, Z J; Cheng, W S; Cibinetto, G; Cossio, F; Cui, J J; Cui, X F; Dai, H L; Dai, J P; Dai, X C; Dbeyssi, A; de Boer, R E; Dedovich, D; Deng, Z Y; Denig, A; Denysenko, I; Destefanis, M; De Mori, F; Ding, Y; Dong, C; Dong, J; Dong, L Y; Dong, M Y; Dong, X; Du, S X; Egorov, P; Fan, Y L; Fang, J; Fang, S S; Fang, Y; Farinelli, R; Fava, L; Feldbauer, F; Felici, G; Feng, C Q; Feng, J H; Fritsch, M; Fu, C D; Gao, Y N; Gao, Yang; Garzia, I; Ge, P T; Geng, C; Gersabeck, E M; Gilman, A; Goetzen, K; Gong, L; Gong, W X; Gradl, W; Greco, M; Gu, M H; Guan, C Y; Guo, A Q; Guo, A Q; Guo, L B; Guo, R P; Guo, Y P; Guskov, A; Han, T T; Han, W Y; Hao, X Q; Harris, F A; He, K K; He, K L; Heinsius, F H; Heinz, C H; Heng, Y K; Herold, C; Himmelreich, M; Holtmann, T; Hou, G Y; Hou, Y R; Hou, Z L; Hu, H M; Hu, J F; Hu, T; Hu, Y; Huang, G S; Huang, L Q; Huang, X T; Huang, Y P; Huang, Z; Hussain, T; Hüsken, N; Ikegami Andersson, W; Imoehl, W; Irshad, M; Jaeger, S; Janchiv, S; Ji, Q; Ji, Q P; Ji, X B; Ji, X L; Ji, Y Y; Jiang, H B; Jiang, S S; Jiang, X S; Jiao, J B; Jiao, Z; Jin, S; Jin, Y; Jing, M Q; Johansson, T; Kalantar-Nayestanaki, N; Kang, X S; Kappert, R; Kavatsyuk, M; Ke, B C; Keshk, I K; Khoukaz, A; Kiese, P; Kiuchi, R; Kliemt, R; Koch, L; Kolcu, O B; Kopf, B; Kuemmel, M; Kuessner, M; Kupsc, A; Kurth, M G; Kühn, W; Lane, J J; Lange, J S; Larin, P; Lavania, A; Lavezzi, L; Lei, Z H; Leithoff, H; Lellmann, M; Lenz, T; Li, C; Li, C; Li, C H; Li, Cheng; Li, D M; Li, F; Li, G; Li, H; Li, H; Li, H B; Li, H J; Li, H N; Li, J L; Li, J Q; Li, J S; Li, Ke; Li, L J; Li, L K; Li, Lei; Li, M H; Li, P R; Li, S X; Li, S Y; Li, T; Li, W D; Li, W G; Li, X H; Li, X L; Li, Xiaoyu; Li, Z Y; Liang, H; Liang, H; Liang, H; Liang, Y F; Liang, Y T; Liao, G R; Liao, L Z; Libby, J; Limphirat, A; Lin, C X; Lin, D X; Lin, T; Liu, B J; Liu, C X; Liu, D; Liu, F H; Liu, Fang; Liu, Feng; Liu, G M; Liu, H M; Liu, Huanhuan; Liu, Huihui; Liu, J B; Liu, J L; Liu, J Y; Liu, K; Liu, K Y; Liu, Ke; Liu, L; Liu, M H; Liu, P L; Liu, Q; Liu, S B; Liu, T; Liu, T; Liu, W M; Liu, X; Liu, Y; Liu, Y B; Liu, Z A; Liu, Z Q; Lou, X C; Lu, F X; Lu, H J; Lu, J D; Lu, J G; Lu, X L; Lu, Y; Lu, Y P; Lu, Z H; Luo, C L; Luo, M X; Luo, T; Luo, X L; Lyu, X R; Lyu, Y F; Ma, F C; Ma, H L; Ma, L L; Ma, M M; Ma, Q M; Ma, R Q; Ma, R T; Ma, X X; Ma, X Y; Ma, Y; Maas, F E; Maggiora, M; Maldaner, S; Malde, S; Malik, Q A; Mangoni, A; Mao, Y J; Mao, Z P; Marcello, S; Meng, Z X; Messchendorp, J G; Mezzadri, G; Miao, H; Min, T J; Mitchell, R E; Mo, X H; Muchnoi, N Yu; Muramatsu, H; Nakhoul, S; Nefedov, Y; Nerling, F; Nikolaev, I B; Ning, Z; Nisar, S; Olsen, S L; Ouyang, Q; Pacetti, S; Pan, X; Pan, Y; Pathak, A; Pathak, A; Patteri, P; Pelizaeus, M; Peng, H P; Peters, K; Pettersson, J; Ping, J L; Ping, R G; Plura, S; Pogodin, S; Poling, R; Prasad, V; Qi, H; Qi, H R; Qi, M; Qi, T Y; Qian, S; Qian, W B; Qian, Z; Qiao, C F; Qin, J J; Qin, L Q; Qin, X P; Qin, X S; Qin, Z H; Qiu, J F; Qu, S Q; Rashid, K H; Ravindran, K; Redmer, C F; Ren, K J; Rivetti, A; Rodin, V; Rolo, M; Rong, G; Rosner, Ch; Rump, M; Sang, H S; Sarantsev, A; Schelhaas, Y; Schnier, C; Schoenning, K; Scodeggio, M; Shan, K Y; Shan, W; Shan, X Y; Shangguan, J F; Shao, L G; Shao, M; Shen, C P; Shen, H F; Shen, X Y; Shi, B-A; Shi, H C; Shi, R S; Shi, X; Shi, X D; Song, J J; Song, W M; Song, Y X; Sosio, S; Spataro, S; Stieler, F; Su, K X; Su, P P; Su, Y-J; Sun, G X; Sun, H K; Sun, J F; Sun, L; Sun, S S; Sun, T; Sun, W Y; Sun,
Autori di Ateneo:
AMOROSO Antonio
BIANCHI Fabrizio Umberto
DE MORI Francesca
DESTEFANIS Marco Giovanni Maria
GRECO Michela
MAGGIORA Marco
MARCELLO Simonetta
SPATARO Stefano Giovanni
Link alla scheda completa:
https://iris.unito.it/handle/2318/1874684
Link al Full Text:
https://iris.unito.it/retrieve/handle/2318/1874684/1037177/PhysRevLett.129.042001.pdf
Pubblicato in:
PHYSICAL REVIEW LETTERS
Journal
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