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  1. Pubblicazioni

Precise Measurement of the e+e−→D*+sD*−s Cross Sections at Center-of-Mass Energies from Threshold to 4.95 GeV

Articolo
Data di Pubblicazione:
2023
Abstract:
The process e^{+}e^{-}→D_{s}^{*+}D_{s}^{*-} is studied with a semi-inclusive method using data samples at center-of-mass energies from threshold to 4.95 GeV collected with the BESIII detector operating at the Beijing Electron Positron Collider. The Born cross sections of the process are measured for the first time with high precision in this energy region. Two resonance structures are observed in the energy-dependent cross sections around 4.2 and 4.4 GeV. By fitting the cross sections with a coherent sum of three Breit-Wigner amplitudes and one phase-space amplitude, the two significant structures are assigned masses of (4186.8±8.7±30) and (4414.6±3.4±6.1)  MeV/c^{2}, widths of (55±15±53) and (122.5±7.5±8.1)  MeV, where the first errors are statistical and the second ones are systematic. The inclusion of a third Breit-Wigner amplitude is necessary to describe a structure around 4.79 GeV.
Tipologia CRIS:
03A-Articolo su Rivista
Elenco autori:
Ablikim, M; Achasov, M N; Adlarson, P; Ai, X C; Aliberti, R; Amoroso, A; An, M R; An, Q; Bai, Y; Bakina, O; Balossino, I; Ban, Y; Batozskaya, V; Begzsuren, K; Berger, N; Berlowski, M; Bertani, M; Bettoni, D; Bianchi, F; Bianco, E; Bortone, A; Boyko, I; Briere, R A; Brueggemann, A; Cai, H; Cai, X; Calcaterra, A; Cao, G F; Cao, N; Cetin, S A; Chang, J F; Chang, T T; Chang, W L; Che, G R; Chelkov, G; Chen, C; Chen, Chao; Chen, G; Chen, H S; Chen, M L; Chen, S J; Chen, S M; Chen, T; Chen, X R; Chen, X T; Chen, Y B; Chen, Y Q; Chen, Z J; Cheng, W S; Choi, S K; Chu, X; Cibinetto, G; Coen, S C; Cossio, F; Cui, J J; Dai, H L; Dai, J P; Dbeyssi, A; de Boer, R E; Dedovich, D; Deng, Z Y; Denig, A; Denysenko, I; Destefanis, M; De Mori, F; Ding, B; Ding, X X; Ding, Y; Ding, Y; Dong, J; Dong, L Y; Dong, M Y; Dong, X; Du, M C; Du, S X; Duan, Z H; Egorov, P; Fan, Y L; Fang, J; Fang, S S; Fang, W X; Fang, Y; Farinelli, R; Fava, L; Feldbauer, F; Felici, G; Feng, C Q; Feng, J H; Fischer, K; Fritsch, M; Fritzsch, C; Fu, C D; Fu, J L; Fu, Y W; Gao, H; Gao, Y N; Gao, Yang; Garbolino, S; Garzia, I; Ge, P T; Ge, Z W; Geng, C; Gersabeck, E M; Gilman, A; Goetzen, K; Gong, L; Gong, W X; Gradl, W; Gramigna, S; Greco, M; Gu, M H; Gu, Y T; Guan, C Y; Guan, Z L; Guo, A Q; Guo, L B; Guo, M J; 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 H; Heinz, C H; Heng, Y K; Herold, C; Holtmann, T; Hong, P C; Hou, G Y; Hou, X T; Hou, Y R; Hou, Z L; Hu, H M; Hu, J F; Hu, T; Hu, Y; Huang, G S; Huang, K X; Huang, L Q; Huang, X T; Huang, Y P; Hussain, T; Hüsken, N; Imoehl, W; Irshad, M; Jackson, J; Jaeger, S; Janchiv, S; Jeong, J H; Ji, Q; Ji, Q P; Ji, X B; Ji, X L; Ji, Y Y; Jia, X Q; Jia, Z K; Jiang, P C; Jiang, S S; Jiang, T J; Jiang, X S; Jiang, Y; Jiao, J B; Jiao, Z; Jin, S; Jin, Y; Jing, M Q; Johansson, T; X K, null; Kabana, S; Kalantar-Nayestanaki, N; Kang, X L; Kang, X S; Kappert, R; Kavatsyuk, M; Ke, B C; Khoukaz, A; Kiuchi, R; Kliemt, R; Kolcu, O B; Kopf, B; Kuessner, M K; Kupsc, A; Kühn, W; Lane, J J; Larin, P; Lavania, A; Lavezzi, L; Lei, T T; 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 B; Li, H J; Li, H N; Li, Hui; Li, J R; Li, J S; Li, J W; Li, K L; Li, Ke; Li, L J; Li, L K; Li, Lei; Li, M H; Li, P R; Li, Q X; Li, S X; Li, T; Li, W D; Li, W G; Li, X H; Li, X L; Li, Xiaoyu; Li, Y G; Li, Z J; Li, Z X; Liang, C; Liang, H; Liang, H; Liang, H; Liang, Y F; Liang, Y T; Liao, G R; Liao, L Z; Liao, Y P; Libby, J; Limphirat, A; Lin, D X; Lin, T; Liu, B J; Liu, B X; Liu, C; Liu, C X; Liu, F H; Liu, Fang; Liu, Feng; Liu, G M; Liu, H; Liu, H B; 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, L C; Liu, Lu; Liu, M H; Liu, P L; Liu, Q; Liu, S B; Liu, T; Liu, W K; Liu, W M; Liu, X; Liu, Y; Liu, Y; Liu, Y B; Liu, Z A; Liu, Z Q; Lou, X C; Lu, F X; Lu, H J; 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, J L; Ma, L L; Ma, M M; Ma, Q M; Ma, R Q; Ma, R T; Ma, X Y; Ma, Y; Ma, Y M; Maas, F E; Maggiora, M; 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; Nefedov, Y; Nerling, F; Nikolaev, I B; Ning, Z; Nisar, S; Niu, Y; Olsen, S L; Ouyang, Q; Pacetti, S; Pan, X; Pan, Y; Pathak, A; Patteri, P; Pei, Y P; Pelizaeus, M; Peng, H P; Peters, K; Ping, J L; Ping, R G; Plura, S; Pogodin, S; Prasad, V; Qi, F Z; Qi, H; Qi, H R; Qi, M; Qi, T Y; Qian, S; Qian, W B; Qiao, C F; Qin, J J; Qin, L Q; Qin, X P; Qin, X S; Qin, Z H; Qiu, J F; Qu, S Q; Redmer, C F; Ren, K J; Rivetti, A; Rodin, V; Rolo, M; Rong, G; Rosner, Ch; Ruan, S N; Salone, N; Sarantsev, A; Schelhaas, Y; Schoenning, K; Scodeggio, M; Shan, K Y; Shan, W; Shan, X Y; Shangguan, J F; Shao, L G; Shao, M; Shen, C P; Sh
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/2318/1946262
Link al Full Text:
https://iris.unito.it/retrieve/handle/2318/1946262/1215674/PhysRevLett.131.151903.pdf
Pubblicato in:
PHYSICAL REVIEW LETTERS
Journal
  • Aree Di Ricerca

Aree Di Ricerca

Settori (7)


PE2_2 - Phenomenology of fundamental interactions - (2022)

PE2_3 - Experimental particle physics with accelerators - (2022)

PE2_6 - Nuclear, hadron and heavy ion physics - (2022)

CULTURA, ARTE e CREATIVITA' - Fisica e Beni Culturali

SCIENZE MATEMATICHE, CHIMICHE, FISICHE - Cosmologia e Universo

SCIENZE MATEMATICHE, CHIMICHE, FISICHE - Fisica delle Particelle e dei Nuclei

SCIENZE MATEMATICHE, CHIMICHE, FISICHE - Laboratori innovativi, strumentazione e modellizzazione fisica
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