Study of the process 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>e</mml:mi><mml:mo>+</mml:mo></mml:msup><mml:msup><mml:mi>e</mml:mi><mml:mo>−</mml:mo></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:mi>ϕ</mml:mi><mml:mi>η</mml:mi></mml:math>
 at center-of-mass energies between 2.00 and 3.08 GeV

Ablikim, M.; Ачасов, М. Н.; Adlarson, P.; Ahmed, S.; Albrecht, M.; Aliberti, R.; Amoroso, A.; An, M. R.; An, Q.; Bai, X. H.; Bai, Y.; Bakina, O.; Ferroli, R. Baldini; Balossino, I.; Ban, Y.; Begzsuren, K.; Berger, N.; Bertani, M.; Bettoni, D.; Bianchi, F.; Bloms, J.; Bortone, A.; Boyko, I. R.; Briere, R. A.; Cai, H.; Cai, X.; Calcaterra, A.; Cao, G. F.; Cao, N.; Çetin, S. A.; Chang, J. F.; Chang, W. L.; Chelkov, G.; Chen, D. Y.; Chen, G.; Chen, H. S.; Chen, M. L.; Chen, S. J.; Chen, X. R.; Chen, Y. B.; Chen, Z. J.; Cheng, W. S.; Cibinetto, G.; Cossio, F.; Cui, X. F.; Dai, H. L.; Dai, X. C.; Dbeyssi, A.; Boer, R. E. de; Dedovich, D.; Deng, Z. Y.; Denig, A.; Denysenko, I.; Destefanis, M.; Mori, F. De; Ding, Y.; Dong, C.; Dong, J.; Dong, L. Y.; Dong, M. Y.; Dong, X.; Du, S. X.; 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, X. 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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. H.; Li, Cheng; Li, D. M.; Li, F.; Li, G.; Li, H.; Li, H.; Li, H. B.; Li, H. J.; Li, J. L.; Li, J. Q.; Li, J. S.; Li, Ké; Li, L. K.; Li, Lei; Li, P. R.; Li, S. Y.; Li, W. D.; Li, W. G.; Li, X. H.; Li, X. L.; Li, Xiaoyü; Li, Z. Y.; Liu, Han; Liang, Y. F.; Liang, Y. T.; Liao, G. R.; Liao, L. Z.; Libby, J.; Lin, C. X.; Liu, B. J.; Liu, C. X.; Liu, D.; Liu, F. H.; Liu, Fang; Liu, Feng; Liu, H. B.; Liu, H. M.; Liu, Huanhuan; Liu, Huihui; Junteng, Liu,; Liu, J. L.; Liu, J. Y.; Liu, K.; Liu, K. Y.; Liu, L.; Liu, M. H.; Liu, P. L.; Liu, Q.; Liu, Q.; Liu, S. B.; Liu, Shuai; Liu, T.; Liu, W. M.; Liu, X.; Liu, Y.; Liu, Y. B.; Liu, Z. A.; Liu, Z. Q.; Lou, X.; Lu, F. X.; Lu, H. J.; Lu, J. D.; Lü, J. G.; Lu, X. L.; Lu, Y. P.; Luo, C. L.; Luo, M. X.; Luo, P. W.; Luo, T.; Luo, X. L.; Lyu, X. R.; C., F.; L., H.; L., L.; M., M.; M., Q.; Q., R.; T, Dr. Ratha Jeyalakshmi; X., X.; Y., X.; Maas, F. E.; Maggiora, M.; Maldaner, S.; Malde, S.; Malik, Q. A.; Mangoni, A.; Mao, Y.; Mao, Z. P.; Marcello, S.; Meng, Z.; Messchendorp, J. G.; Mezzadri, G.; Min, T. J.; Mitchell, R. E.; Mo, X. H.; Mo, Y. J.; Muchnoi, N. Yu.; Muramatsu, H.; Nakhoul, S.; Nefedov, Y.; Nerling, F.; Nikolaev, I. B.; Ning, Z.; Nisar, S.; Ouyang, Q.; Pacetti, S.; Pan, X.; Pan, Y.; Pathak, A.; Patterí, P.; Pelizaeus, M.; Peng, H.; Peters, K.; Pettersson, J.; Ping, J. L.; Ping, R. G.; Pogodin, S.; Poling, R.; Prasad, V.; Qi, H. R.; Qi, K. H.; Qi, M.; Qi, T. Y.; Qian, S.; Qian, W.; Qian, Z.; Qiao, C. F.; Liu, Qin; Qin, X. P.; Qin, X. S.; Qin, Z. H.; Qiu, J. F.; Qu, S. Q.; Rashid, K. H.; Ravindran, K.; Redmer, C. F.; 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, D. C.; Shan, W.; Shan, X. Y.; Shangguan, J. F.; Shao, M.; Shen, C. P.; Shen, H. F.; Shen, P. X.; Shen, X. Y.; Shi, H. C.; Shi, R. S.; Shi, X.; Shi, X.; Song, Jianjun; Song, Q. Q.; Song, W. M.; Song, Y. X.; Sosio, S.; Spataro, S.; Su, K. X.; Su, P. P.; Sui, F. F.; Sun, G. X.; Sun, H. K.; Sun, J. F.; Sun, L.; Sun, S. S.; Sun, T.; Sun, W. Y.; Sun, X. H.; Sun, Y. J.; Sun, Y. K.; Sun, Y. Z.; Sun, Z. T.; Tan, Y. H.; Tan, Y. X.; Tang, C. J.; Tang, G. Y.; Tang, J.; Teng, J. X.; Thoren, V.; Tian, W. H.; Tian, Y.; Uman, I.; Wang, B.; Wang, C. W.; Wang, D. Y.; Wang, H. J.; Wang, H. P.; Wang, K.; Wang, L. L.; Wang, M.; Wang, M. Z.; Wang, Meng; Wang, W.; Wang, W. H.; Wang, W. P.; Wang, X.; Wang, X. F.; Wang, X. L.; Wang, Y.; Wang, Y.; Wang, Y. D.; Wang, Y. F.; Wang, Y. Q.; Wang, Y. Y.; Wang, Z.; Wang, Z. H.; Wang, Z. Y.; Wang, Ziyi; Wang, Zongyuan; Wei, D. H.; Weidner, F.; Wen, S. P.; White, D. J.; Wiedner, U.; Wilkinson, G.; Wolke, M.; Wollenberg, L.; Wu, Jian; Wu, L. H.; Wu, L. J.; Wu, X.; Wu, Z.; Xia, L.; Xiao, H.; Xiao, S. Y.; Xiao, Z. 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X.; Zhao, Z.; Zhemchugov, A.; Zheng, B.; Zheng, J. P.; Zheng, Y.; Zhong, B.; Chen, Zhong; Zhou, L.; Zhou, Q.; Zhou, X. K.; Zhou, X. R.; Zhou, X. Y.; Zhu, A. N.; Zhu, J.; Zhu, K. J.; Zhu, S. H.; Zhu, T. J.; Zhu, W. J.; Zhu, Y.; Zhu, Z. A.; Zou, B. S.; Zou, J. H.

doi:10.1103/physrevd.104.032007

Cited by 20 publications

(7 citation statements)

References 56 publications

Supporting

Mentioning

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“…An energy-dependent fit is performed to search for possible signals of the Y (4230) and Y (4360) states. These measurements are complementary to a recent BESIII study of the same final state performed at lower cm energies (2.0-3.08 GeV) in the vicinity of the φ(2170) [28].…”

Section: Introductionmentioning

confidence: 51%

“…Here, Π(s) is the vacuum polarization factor [40], including leptonic and hadronic parts, F (x, s) is the radiator function taken from a QED calculation [41] with an accuracy of 0.1%, and σ B (s) is the Born cross section, which is taken from this analysis at √ s = 3.773 to 4.600 GeV and from BaBar [42] and BESIII [28] at √ s = 1.560 to 3.080 GeV. The measured Born cross sections are obtained via an iterative process till a stable result.…”

Section: [Gev]mentioning

confidence: 99%

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Observation of e+e− → ηψ(2S) at center-of-mass energies from 4.236 to 4.600 GeV

Ablikim¹,

Ачасов²,

Adlarson³

et al. 2021

J. High Energ. Phys.

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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−→ ηψ(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.

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Section: Introductionmentioning

confidence: 51%

Section: [Gev]mentioning

confidence: 99%

Observation of e+e− → ηψ(2S) at center-of-mass energies from 4.236 to 4.600 GeV

Ablikim¹,

Ачасов²,

Adlarson³

et al. 2021

J. High Energ. Phys.

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show abstract

“…The measurements of from the BaBar, Belle, BESIII, and CMD-3 experiments are shown in Fig. 1, where (a) to (f) are the Belle measurement with the mode [5], Belle measurement with the mode [6], BaBar measurement with the mode, BaBar measurement with the mode [7], CMD-3 measurement [8], and BESIII measurement [9], respectively.…”

Section: Measurements Ofmentioning

confidence: 99%

“…Therefore, we combine these measurements to obtain the best precision of . A precise is helpful for studying the anomalous magnetic moment of the muon [8] and may provide hints of or . The calculation for the combination uses…”

Section: Measurements Ofmentioning

confidence: 99%

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Determination of the resonant parameters of excited vector strangenia with data*

Zhu

Wang

2023

Chinese Phys. C

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We determine the resonant parameters of the vector states $\phi(1680)$ and $\phi(2170)$ by doing a combined fit to the $e^+e^- \to \eta\phi$ cross sections from threshold to $2.85~{\rm GeV}$ measured by BaBar, Belle, BESIII and CMD-3 experiments. The mass $(1678^{+5}_{-3} \pm 7)~{\rm MeV}/c^2$ and the width $(156 \pm 5 \pm 9)~{\rm MeV}$ are obtained for the $\phi(1680)$, and the mass $(2169 \pm 5 \pm 6)~{\rm MeV}/c^2$ and the width $(96^{+17}_{-14} \pm 9)~{\rm MeV}$ for the $\phi(2170)$. The statistical significance of $\phi(2170)$ is $7.2\sigma$. Depending on the interference between the $\phi(1680)$, $\phi(2170)$ and a non-resonant $\eta\phi$ amplitude in the nominal fit, we obtain four solutions and $\Gamma^{e^+e^-}_{\phi(1680)}\cdot \BR[\phi(1680)\to\eta\phi] = (79 \pm 4 \pm 16)$, $(127\pm 5 \pm 12)$, $(65^{+5}_{-4} \pm 13)$ or $(215^{+8}_{-5} \pm 11)~{\rm eV}$, and $\Gamma^{e^+e^-}_{\phiy}\cdot \BR[\phi(2170)\to\eta\phi] = (0.56^{+0.03}_{-0.02} \pm 0.07)$, $(0.36^{+0.05}_{-0.03} \pm 0.07)$, $(38 \pm 1 \pm 5)$ or $(41 \pm 2 \pm 6)~{\rm eV}$, respectively. We also search for the production of $X(1750)\to \eta\phi$ and the significance is only $2.0\sigma$, then we determine the upper limit of $\Gamma^{e^+e^-}_{X(1750)}\cdot \BR[X(1750)\to\eta\phi]$ at 90\% confidence level. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Article funded by SCOAP3 and published under licence by Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Science and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd.

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