Observation of a Resonant Structure in
Abstract
A partial-wave analysis is performed for the process $e^+ e^– → K^+ K^– π^0π^0$ at the center-of-mass energies ranging from 2.000 to 2.644 GeV. The data samples of $e^+ e^–$ collisions, collected by the BESIII detector at the BEPCII collider with a total integrated luminosity of 300 pb–1 , are analyzed. The total Born cross sections for the process $e^+ e^– → K^+ K^– π^ 0π^0$, as well as the Born cross sections for the subprocesses $$e^+ e^– → \phi π^0 π^0, K^+(1460)K^–, K^+_1(1400)K^–, K^+_1(1270)K^–,$$ and $$K^{\ast+} (892)K^{\ast–}(892)$$, are measured versus the center-of-mass energy. The corresponding results for $e^+ e^– → K^+ K^– π^0π^0$ and $$\phiπ^0π^0$$ are consistent with those of $$\textit{BABAR}$$ with better precision. By analyzing the cross sections for the four subprocesses, $$K^+ (1460)K^–, K^+_1(1400)K^–, K^+_1(1270)K^–$$, and $$K^{\ast+}(892)K^{\ast–}(892)$$, a structure with mass $$\textit{M}$$ = ( 2126.5 ± 16.8 ± 12.4 ) MeV /$c^2$ and width Γ = ( 106.9 ± 32.1 ± 28.1 ) MeV is observed with an overall statistical significance of 6.3σ, although with very limited significance in the subprocesses $$e^+ e^– → K^+_1(1270)K^–$$ and $$K^{\ast} + (892)K^{\ast–}(892)$$. The resonant parameters of the observed structure suggest it can be identified with the $$\phi(2170)$$, thus the results provide valuable input to the internal nature of the $$\phi(2170)$$.
- Authors:
- more »
- Publication Date:
- Research Org.:
- Indiana Univ., Bloomington, IN (United States); Carnegie Mellon Univ., Pittsburgh, PA (United States); Univ. of Minnesota, Minneapolis, MN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- Contributing Org.:
- BESIII Collaboration
- OSTI Identifier:
- 1605494
- Alternate Identifier(s):
- OSTI ID: 1800295
- Grant/Contract Number:
- FG02-05ER41374; SC-0010118; SC-0012069; U1532257; U1532258; U1732263; U1832207; U1532102; U1832103; QYZDJ-SSW-SLH003; QYZDJ-SSW-SLH040; SC0010118; SC0012069
- Resource Type:
- Published Article
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Name: Physical Review Letters Journal Volume: 124 Journal Issue: 11; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Physics
Citation Formats
Ablikim, M., Achasov, M. N., Adlarson, P., Ahmed, S., Albrecht, M., Amoroso, A., An, Q., Anita,, Bai, Y., Bakina, O., Baldini Ferroli, R., Balossino, I., Ban, Y., Begzsuren, K., Bennett, J. V., Berger, N., Bertani, M., Bettoni, D., Bianchi, F., Biernat, J., Bloms, J., 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, D. Y., Chen, G., Chen, H. S., Chen, M. L., Chen, S. J., Chen, X. R., Chen, Y. B., Cheng, W., Cibinetto, G., Cossio, F., Cui, X. F., Dai, H. L., Dai, J. P., Dai, X. C., Dbeyssi, A., 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., Du, S. X., Fang, J., Fang, S. S., Fang, Y., Farinelli, R., Fava, L., Feldbauer, F., Felici, G., Feng, C. Q., Fritsch, M., Fu, C. D., Fu, Y., Gao, X. L., Gao, Y., Gao, Y., Gao, Y. G., Garzia, I., Gersabeck, E. M., Gilman, A., Goetzen, K., Gong, L., Gong, W. X., Gradl, W., Greco, M., Gu, L. M., Gu, M. H., Gu, S., Gu, Y. T., Guan, C. Y., Guo, A. Q., Guo, L. B., Guo, R. P., Guo, Y. P., Guo, Y. P., Guskov, A., Han, S., Han, T. T., Han, T. Z., Hao, X. Q., Harris, F. A., He, K. L., Heinsius, F. H., Held, T., Heng, Y. K., Himmelreich, M., Holtmann, T., 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., Huesken, N., Hussain, T., Ikegami Andersson, W., Imoehl, W., Irshad, M., Jaeger, S., Janchiv, S., Ji, Q., Ji, Q. P., Ji, X. B., Ji, X. L., Jiang, H. B., Jiang, X. S., Jiang, X. Y., Jiao, J. B., Jiao, Z., Jin, D. P., Jin, S., Jin, Y., 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., Lavezzi, L., Leithoff, H., Lellmann, M., Lenz, T., Li, C., Li, C. H., Li, Cheng, Li, D. M., Li, F., Li, G., Li, H. B., Li, H. J., Li, J. C., Li, J. L., Li, Ke, Li, L. K., Li, Lei, Li, P. L., Li, P. R., Li, S. Y., Li, W. D., Li, W. G., Li, X. H., Li, X. L., Li, X. N., Li, Z. B., Li, Z. Y., Liang, H., Liang, H., Liang, Y. F., Liang, Y. T., Liao, L. Z., Libby, J., Lin, C. X., Lin, D. X., Liu, B., Liu, B. J., Liu, C. X., Liu, D., Liu, D. Y., Liu, F. H., Liu, Fang, Liu, Feng, Liu, H. B., Liu, H. M., Liu, Huanhuan, Liu, Huihui, Liu, J. B., Liu, J. Y., Liu, K., Liu, K. Y., Liu, Ke, Liu, L., Liu, L. Y., Liu, Q., Liu, S. B., Liu, Shuai, Liu, T., Liu, X., Liu, X. Y., Liu, Y. B., Liu, Z. A., Liu, Z. Q., Long, Y. F., Lou, X. C., Lu, H. J., Lu, J. D., Lu, J. G., Lu, X. L., Lu, Y., Lu, Y. P., Luo, C. L., Luo, M. X., Luo, P. W., Luo, T., Luo, X. L., Lusso, S., Lyu, X. R., Ma, F. C., Ma, H. L., Ma, L. L., Ma, M. M., Ma, Q. M., Ma, R. Q., Ma, R. T., Ma, X. N., Ma, X. X., Ma, X. Y., Ma, Y. M., 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., Min, J., Min, T. J., Mitchell, R. E., Mo, X. H., Mo, Y. J., Morales Morales, C., 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., Papenbrock, M., Pathak, A., Patteri, P., Pelizaeus, M., Peng, H. P., Peters, K., Pettersson, J., Ping, J. L., Ping, R. G., Pitka, A., Poling, R., Prasad, V., Qi, H., Qi, H. R., Qi, M., Qi, T. Y., Qian, S., Qiao, C. F., 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., Richter, M., Rivetti, A., Rodin, V., Rolo, M., Rong, G., Rosner, Ch., Rump, M., Sarantsev, A., Savrié, M., Schelhaas, Y., Schnier, C., Schoenning, K., Shan, D. C., Shan, W., Shan, X. Y., Shao, M., Shen, C. P., Shen, P. X., Shen, X. Y., Sheng, H. Y., Shi, H. C., Shi, R. S., Shi, X., Shi, X. D., Song, J. J., Song, Q. Q., Song, X. Y., Song, Y. X., Sosio, S., Sowa, C., Spataro, S., Sui, F. F., Sun, G. X., Sun, J. F., Sun, L., Sun, S. S., Sun, T., Sun, W. Y., Sun, Y. J., Sun, Y. K., Sun, Y. Z., Sun, Z. J., Sun, Z. T., Tan, Y. X., Tang, C. J., Tang, G. Y., Tang, J., Tang, X., Thoren, V., Tsednee, B., Uman, I., Wang, B., Wang, B. L., Wang, C. W., Wang, D. Y., Wang, H. P., Wang, K., Wang, L. L., Wang, L. S., Wang, M., Wang, M. Z., Wang, Meng, Wang, P. L., 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, Z., Wang, Z. G., Wang, Z. Y., Wang, Ziyi, Wang, Zongyuan, Weber, T., Wei, D. H., Weidenkaff, P., Weidner, F., Wen, H. W., Wen, S. P., White, D. J., Wiedner, U., Wilkinson, G., Wolke, M., Wollenberg, L., Wu, J. F., Wu, L. H., Wu, L. J., Wu, X., Wu, Z., Xia, L., Xiao, H., Xiao, S. Y., Xiao, Y. J., Xiao, Z. J., Xie, Y. G., Xie, Y. H., Xing, T. Y., Xiong, X. A., Xu, G. F., Xu, J. J., Xu, Q. J., Xu, W., Xu, X. P., Yan, L., Yan, L., Yan, W. B., Yan, W. C., Yan, Xu, Yang, H. J., Yang, H. X., Yang, L., Yang, R. X., Yang, S. L., Yang, Y. H., Yang, Y. X., Yang, Yifan, Yang, Zhi, Ye, M., Ye, M. H., Yin, J. H., You, Z. Y., Yu, B. X., Yu, C. X., Yu, G., Yu, J. S., Yu, T., Yuan, C. Z., Yuan, W., Yuan, X. Q., Yuan, Y., Yue, C. X., Yuncu, A., Zafar, A. A., Zeng, Y., Zhang, B. X., Zhang, B. Y., Zhang, C. C., Zhang, D. H., Zhang, Guangyi, Zhang, H. H., Zhang, H. Y., Zhang, J. L., Zhang, J. Q., Zhang, J. W., Zhang, J. Y., Zhang, J. Z., Zhang, Jianyu, Zhang, Jiawei, Zhang, L., Zhang, Lei, Zhang, S., Zhang, S. F., Zhang, T. J., Zhang, X. Y., Zhang, Y., Zhang, Y. H., Zhang, Y. T., Zhang, Yan, Zhang, Yao, Zhang, Yi, Zhang, Z. H., Zhang, Z. Y., Zhao, G., Zhao, J., Zhao, J. W., Zhao, J. Y., Zhao, J. Z., Zhao, Lei, Zhao, Ling, Zhao, M. G., Zhao, Q., Zhao, S. J., Zhao, T. C., Zhao, Y. B., Zhao, Z. G., Zhemchugov, A., Zheng, B., Zheng, J. P., Zheng, Y., Zheng, Y. H., Zhong, B., Zhong, C., Zhou, L., Zhou, L. P., Zhou, Q., Zhou, X., Zhou, X. K., Zhou, X. R., Zhu, A. N., Zhu, J., Zhu, K., Zhu, K. J., Zhu, S. H., Zhu, W. J., Zhu, X. L., Zhu, Y. C., Zhu, Y. S., Zhu, Z. A., Zhuang, J., Zou, B. S., Zou, J. H., and BESIII Collaboration. Observation of a Resonant Structure in e + e − → K + K − π 0 π 0. United States: N. p., 2020.
Web. doi:10.1103/PhysRevLett.124.112001.
Ablikim, M., Achasov, M. N., Adlarson, P., Ahmed, S., Albrecht, M., Amoroso, A., An, Q., Anita,, Bai, Y., Bakina, O., Baldini Ferroli, R., Balossino, I., Ban, Y., Begzsuren, K., Bennett, J. V., Berger, N., Bertani, M., Bettoni, D., Bianchi, F., Biernat, J., Bloms, J., 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, D. Y., Chen, G., Chen, H. S., Chen, M. L., Chen, S. J., Chen, X. R., Chen, Y. B., Cheng, W., Cibinetto, G., Cossio, F., Cui, X. F., Dai, H. L., Dai, J. P., Dai, X. C., Dbeyssi, A., 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., Du, S. X., Fang, J., Fang, S. S., Fang, Y., Farinelli, R., Fava, L., Feldbauer, F., Felici, G., Feng, C. Q., Fritsch, M., Fu, C. D., Fu, Y., Gao, X. L., Gao, Y., Gao, Y., Gao, Y. G., Garzia, I., Gersabeck, E. M., Gilman, A., Goetzen, K., Gong, L., Gong, W. X., Gradl, W., Greco, M., Gu, L. M., Gu, M. H., Gu, S., Gu, Y. T., Guan, C. Y., Guo, A. Q., Guo, L. B., Guo, R. P., Guo, Y. P., Guo, Y. P., Guskov, A., Han, S., Han, T. T., Han, T. Z., Hao, X. Q., Harris, F. A., He, K. L., Heinsius, F. H., Held, T., Heng, Y. K., Himmelreich, M., Holtmann, T., 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., Huesken, N., Hussain, T., Ikegami Andersson, W., Imoehl, W., Irshad, M., Jaeger, S., Janchiv, S., Ji, Q., Ji, Q. P., Ji, X. B., Ji, X. L., Jiang, H. B., Jiang, X. S., Jiang, X. Y., Jiao, J. B., Jiao, Z., Jin, D. P., Jin, S., Jin, Y., 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., Lavezzi, L., Leithoff, H., Lellmann, M., Lenz, T., Li, C., Li, C. H., Li, Cheng, Li, D. M., Li, F., Li, G., Li, H. B., Li, H. J., Li, J. C., Li, J. L., Li, Ke, Li, L. K., Li, Lei, Li, P. L., Li, P. R., Li, S. Y., Li, W. D., Li, W. G., Li, X. H., Li, X. L., Li, X. N., Li, Z. B., Li, Z. Y., Liang, H., Liang, H., Liang, Y. F., Liang, Y. T., Liao, L. Z., Libby, J., Lin, C. X., Lin, D. X., Liu, B., Liu, B. J., Liu, C. X., Liu, D., Liu, D. Y., Liu, F. H., Liu, Fang, Liu, Feng, Liu, H. B., Liu, H. M., Liu, Huanhuan, Liu, Huihui, Liu, J. B., Liu, J. Y., Liu, K., Liu, K. Y., Liu, Ke, Liu, L., Liu, L. Y., Liu, Q., Liu, S. B., Liu, Shuai, Liu, T., Liu, X., Liu, X. Y., Liu, Y. B., Liu, Z. A., Liu, Z. Q., Long, Y. F., Lou, X. C., Lu, H. J., Lu, J. D., Lu, J. G., Lu, X. L., Lu, Y., Lu, Y. P., Luo, C. L., Luo, M. X., Luo, P. W., Luo, T., Luo, X. L., Lusso, S., Lyu, X. R., Ma, F. C., Ma, H. L., Ma, L. L., Ma, M. M., Ma, Q. M., Ma, R. Q., Ma, R. T., Ma, X. N., Ma, X. X., Ma, X. Y., Ma, Y. M., 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., Min, J., Min, T. J., Mitchell, R. E., Mo, X. H., Mo, Y. J., Morales Morales, C., 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., Papenbrock, M., Pathak, A., Patteri, P., Pelizaeus, M., Peng, H. P., Peters, K., Pettersson, J., Ping, J. L., Ping, R. G., Pitka, A., Poling, R., Prasad, V., Qi, H., Qi, H. R., Qi, M., Qi, T. Y., Qian, S., Qiao, C. F., 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., Richter, M., Rivetti, A., Rodin, V., Rolo, M., Rong, G., Rosner, Ch., Rump, M., Sarantsev, A., Savrié, M., Schelhaas, Y., Schnier, C., Schoenning, K., Shan, D. C., Shan, W., Shan, X. Y., Shao, M., Shen, C. P., Shen, P. X., Shen, X. Y., Sheng, H. Y., Shi, H. C., Shi, R. S., Shi, X., Shi, X. D., Song, J. J., Song, Q. Q., Song, X. Y., Song, Y. X., Sosio, S., Sowa, C., Spataro, S., Sui, F. F., Sun, G. X., Sun, J. F., Sun, L., Sun, S. S., Sun, T., Sun, W. Y., Sun, Y. J., Sun, Y. K., Sun, Y. Z., Sun, Z. J., Sun, Z. T., Tan, Y. X., Tang, C. J., Tang, G. Y., Tang, J., Tang, X., Thoren, V., Tsednee, B., Uman, I., Wang, B., Wang, B. L., Wang, C. W., Wang, D. Y., Wang, H. P., Wang, K., Wang, L. L., Wang, L. S., Wang, M., Wang, M. Z., Wang, Meng, Wang, P. L., 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, Z., Wang, Z. G., Wang, Z. Y., Wang, Ziyi, Wang, Zongyuan, Weber, T., Wei, D. H., Weidenkaff, P., Weidner, F., Wen, H. W., Wen, S. P., White, D. J., Wiedner, U., Wilkinson, G., Wolke, M., Wollenberg, L., Wu, J. F., Wu, L. H., Wu, L. J., Wu, X., Wu, Z., Xia, L., Xiao, H., Xiao, S. Y., Xiao, Y. J., Xiao, Z. J., Xie, Y. G., Xie, Y. H., Xing, T. Y., Xiong, X. A., Xu, G. F., Xu, J. J., Xu, Q. J., Xu, W., Xu, X. P., Yan, L., Yan, L., Yan, W. B., Yan, W. C., Yan, Xu, Yang, H. J., Yang, H. X., Yang, L., Yang, R. X., Yang, S. L., Yang, Y. H., Yang, Y. X., Yang, Yifan, Yang, Zhi, Ye, M., Ye, M. H., Yin, J. H., You, Z. Y., Yu, B. X., Yu, C. X., Yu, G., Yu, J. S., Yu, T., Yuan, C. Z., Yuan, W., Yuan, X. Q., Yuan, Y., Yue, C. X., Yuncu, A., Zafar, A. A., Zeng, Y., Zhang, B. X., Zhang, B. Y., Zhang, C. C., Zhang, D. H., Zhang, Guangyi, Zhang, H. H., Zhang, H. Y., Zhang, J. L., Zhang, J. Q., Zhang, J. W., Zhang, J. Y., Zhang, J. Z., Zhang, Jianyu, Zhang, Jiawei, Zhang, L., Zhang, Lei, Zhang, S., Zhang, S. F., Zhang, T. J., Zhang, X. Y., Zhang, Y., Zhang, Y. H., Zhang, Y. T., Zhang, Yan, Zhang, Yao, Zhang, Yi, Zhang, Z. H., Zhang, Z. Y., Zhao, G., Zhao, J., Zhao, J. W., Zhao, J. Y., Zhao, J. Z., Zhao, Lei, Zhao, Ling, Zhao, M. G., Zhao, Q., Zhao, S. J., Zhao, T. C., Zhao, Y. B., Zhao, Z. G., Zhemchugov, A., Zheng, B., Zheng, J. P., Zheng, Y., Zheng, Y. H., Zhong, B., Zhong, C., Zhou, L., Zhou, L. P., Zhou, Q., Zhou, X., Zhou, X. K., Zhou, X. R., Zhu, A. N., Zhu, J., Zhu, K., Zhu, K. J., Zhu, S. H., Zhu, W. J., Zhu, X. L., Zhu, Y. C., Zhu, Y. S., Zhu, Z. A., Zhuang, J., Zou, B. S., Zou, J. H., & BESIII Collaboration. Observation of a Resonant Structure in e + e − → K + K − π 0 π 0. United States. https://doi.org/10.1103/PhysRevLett.124.112001
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"Observation of a Resonant Structure in e + e − → K + K − π 0 π 0". United States. https://doi.org/10.1103/PhysRevLett.124.112001.
@article{osti_1605494,
title = {Observation of a Resonant Structure in e + e − → K + K − π 0 π 0},
author = {Ablikim, M. and Achasov, M. N. and Adlarson, P. and Ahmed, S. and Albrecht, M. and Amoroso, A. and An, Q. and Anita, and Bai, Y. and Bakina, O. and Baldini Ferroli, R. and Balossino, I. and Ban, Y. and Begzsuren, K. and Bennett, J. V. and Berger, N. and Bertani, M. and Bettoni, D. and Bianchi, F. and Biernat, J. and Bloms, J. and Boyko, I. and Briere, R. A. and Cai, H. and Cai, X. and Calcaterra, A. and Cao, G. F. and Cao, N. and Cetin, S. A. and Chang, J. F. and Chang, W. L. and Chelkov, G. and Chen, D. Y. and Chen, G. and Chen, H. S. and Chen, M. L. and Chen, S. J. and Chen, X. R. and Chen, Y. B. and Cheng, W. and Cibinetto, G. and Cossio, F. and Cui, X. F. and Dai, H. L. and Dai, J. P. and Dai, X. C. and Dbeyssi, A. and Dedovich, D. and Deng, Z. Y. and Denig, A. and Denysenko, I. and Destefanis, M. and De Mori, F. and Ding, Y. and Dong, C. and Dong, J. and Dong, L. Y. and Dong, M. Y. and Du, S. X. and Fang, J. and Fang, S. S. and Fang, Y. and Farinelli, R. and Fava, L. and Feldbauer, F. and Felici, G. and Feng, C. Q. and Fritsch, M. and Fu, C. D. and Fu, Y. and Gao, X. L. and Gao, Y. and Gao, Y. and Gao, Y. G. and Garzia, I. and Gersabeck, E. M. and Gilman, A. and Goetzen, K. and Gong, L. and Gong, W. X. and Gradl, W. and Greco, M. and Gu, L. M. and Gu, M. H. and Gu, S. and Gu, Y. T. and Guan, C. Y. and Guo, A. Q. and Guo, L. B. and Guo, R. P. and Guo, Y. P. and Guo, Y. P. and Guskov, A. and Han, S. and Han, T. T. and Han, T. Z. and Hao, X. Q. and Harris, F. A. and He, K. L. and Heinsius, F. H. and Held, T. and Heng, Y. K. and Himmelreich, M. and Holtmann, T. and Hou, Y. R. and Hou, Z. L. and Hu, H. M. and Hu, J. F. and Hu, T. and Hu, Y. and Huang, G. S. and Huang, L. Q. and Huang, X. T. and Huesken, N. and Hussain, T. and Ikegami Andersson, W. and Imoehl, W. and Irshad, M. and Jaeger, S. and Janchiv, S. and Ji, Q. and Ji, Q. P. and Ji, X. B. and Ji, X. L. and Jiang, H. B. and Jiang, X. S. and Jiang, X. Y. and Jiao, J. B. and Jiao, Z. and Jin, D. P. and Jin, S. and Jin, Y. and Johansson, T. and Kalantar-Nayestanaki, N. and Kang, X. S. and Kappert, R. and Kavatsyuk, M. and Ke, B. C. and Keshk, I. K. and Khoukaz, A. and Kiese, P. and Kiuchi, R. and Kliemt, R. and Koch, L. and Kolcu, O. B. and Kopf, B. and Kuemmel, M. and Kuessner, M. and Kupsc, A. and Kurth, M. G. and Kühn, W. and Lane, J. J. and Lange, J. S. and Larin, P. and Lavezzi, L. and Leithoff, H. and Lellmann, M. and Lenz, T. and Li, C. and Li, C. H. and Li, Cheng and Li, D. M. and Li, F. and Li, G. and Li, H. B. and Li, H. J. and Li, J. C. and Li, J. L. and Li, Ke and Li, L. K. and Li, Lei and Li, P. L. and Li, P. R. and Li, S. Y. and Li, W. D. and Li, W. G. and Li, X. H. and Li, X. L. and Li, X. N. and Li, Z. B. and Li, Z. Y. and Liang, H. and Liang, H. and Liang, Y. F. and Liang, Y. T. and Liao, L. Z. and Libby, J. and Lin, C. X. and Lin, D. X. and Liu, B. and Liu, B. J. and Liu, C. X. and Liu, D. and Liu, D. Y. and Liu, F. H. and Liu, Fang and Liu, Feng and Liu, H. B. and Liu, H. M. and Liu, Huanhuan and Liu, Huihui and Liu, J. B. and Liu, J. Y. and Liu, K. and Liu, K. Y. and Liu, Ke and Liu, L. and Liu, L. Y. and Liu, Q. and Liu, S. B. and Liu, Shuai and Liu, T. and Liu, X. and Liu, X. Y. and Liu, Y. B. and Liu, Z. A. and Liu, Z. Q. and Long, Y. F. and Lou, X. C. and Lu, H. J. and Lu, J. D. and Lu, J. G. and Lu, X. L. and Lu, Y. and Lu, Y. P. and Luo, C. L. and Luo, M. X. and Luo, P. W. and Luo, T. and Luo, X. L. and Lusso, S. and Lyu, X. R. and Ma, F. C. and Ma, H. L. and Ma, L. L. and Ma, M. M. and Ma, Q. M. and Ma, R. Q. and Ma, R. T. and Ma, X. N. and Ma, X. X. and Ma, X. Y. and Ma, Y. M. and Maas, F. E. and Maggiora, M. and Maldaner, S. and Malde, S. and Malik, Q. A. and Mangoni, A. and Mao, Y. J. and Mao, Z. P. and Marcello, S. and Meng, Z. X. and Messchendorp, J. G. and Mezzadri, G. and Min, J. and Min, T. J. and Mitchell, R. E. and Mo, X. H. and Mo, Y. J. and Morales Morales, C. and Muchnoi, N. Yu. and Muramatsu, H. and Nakhoul, S. and Nefedov, Y. and Nerling, F. and Nikolaev, I. B. and Ning, Z. and Nisar, S. and Olsen, S. L. and Ouyang, Q. and Pacetti, S. and Pan, X. and Pan, Y. and Papenbrock, M. and Pathak, A. and Patteri, P. and Pelizaeus, M. and Peng, H. P. and Peters, K. and Pettersson, J. and Ping, J. L. and Ping, R. G. and Pitka, A. and Poling, R. and Prasad, V. and Qi, H. and Qi, H. R. and Qi, M. and Qi, T. Y. and Qian, S. and Qiao, C. F. and Qin, L. Q. and Qin, X. P. and Qin, X. S. and Qin, Z. H. and Qiu, J. F. and Qu, S. Q. and Rashid, K. H. and Ravindran, K. and Redmer, C. F. and Richter, M. and Rivetti, A. and Rodin, V. and Rolo, M. and Rong, G. and Rosner, Ch. and Rump, M. and Sarantsev, A. and Savrié, M. and Schelhaas, Y. and Schnier, C. and Schoenning, K. and Shan, D. C. and Shan, W. and Shan, X. Y. and Shao, M. and Shen, C. P. and Shen, P. X. and Shen, X. Y. and Sheng, H. Y. and Shi, H. C. and Shi, R. S. and Shi, X. and Shi, X. D. and Song, J. J. and Song, Q. Q. and Song, X. Y. and Song, Y. X. and Sosio, S. and Sowa, C. and Spataro, S. and Sui, F. F. and Sun, G. X. and Sun, J. F. and Sun, L. and Sun, S. S. and Sun, T. and Sun, W. Y. and Sun, Y. J. and Sun, Y. K. and Sun, Y. Z. and Sun, Z. J. and Sun, Z. T. and Tan, Y. X. and Tang, C. J. and Tang, G. Y. and Tang, J. and Tang, X. and Thoren, V. and Tsednee, B. and Uman, I. and Wang, B. and Wang, B. L. and Wang, C. W. and Wang, D. Y. and Wang, H. P. and Wang, K. and Wang, L. L. and Wang, L. S. and Wang, M. and Wang, M. Z. and Wang, Meng and Wang, P. L. and Wang, W. P. and Wang, X. and Wang, X. F. and Wang, X. L. and Wang, Y. and Wang, Y. and Wang, Y. D. and Wang, Y. F. and Wang, Y. Q. and Wang, Z. and Wang, Z. G. and Wang, Z. Y. and Wang, Ziyi and Wang, Zongyuan and Weber, T. and Wei, D. H. and Weidenkaff, P. and Weidner, F. and Wen, H. W. and Wen, S. P. and White, D. J. and Wiedner, U. and Wilkinson, G. and Wolke, M. and Wollenberg, L. and Wu, J. F. and Wu, L. H. and Wu, L. J. and Wu, X. and Wu, Z. and Xia, L. and Xiao, H. and Xiao, S. Y. and Xiao, Y. J. and Xiao, Z. J. and Xie, Y. G. and Xie, Y. H. and Xing, T. Y. and Xiong, X. A. and Xu, G. F. and Xu, J. J. and Xu, Q. J. and Xu, W. and Xu, X. P. and Yan, L. and Yan, L. and Yan, W. B. and Yan, W. C. and Yan, Xu and Yang, H. J. and Yang, H. X. and Yang, L. and Yang, R. X. and Yang, S. L. and Yang, Y. H. and Yang, Y. X. and Yang, Yifan and Yang, Zhi and Ye, M. and Ye, M. H. and Yin, J. H. and You, Z. Y. and Yu, B. X. and Yu, C. X. and Yu, G. and Yu, J. S. and Yu, T. and Yuan, C. Z. and Yuan, W. and Yuan, X. Q. and Yuan, Y. and Yue, C. X. and Yuncu, A. and Zafar, A. A. and Zeng, Y. and Zhang, B. X. and Zhang, B. Y. and Zhang, C. C. and Zhang, D. H. and Zhang, Guangyi and Zhang, H. H. and Zhang, H. Y. and Zhang, J. L. and Zhang, J. Q. and Zhang, J. W. and Zhang, J. Y. and Zhang, J. Z. and Zhang, Jianyu and Zhang, Jiawei and Zhang, L. and Zhang, Lei and Zhang, S. and Zhang, S. F. and Zhang, T. J. and Zhang, X. Y. and Zhang, Y. and Zhang, Y. H. and Zhang, Y. T. and Zhang, Yan and Zhang, Yao and Zhang, Yi and Zhang, Z. H. and Zhang, Z. Y. and Zhao, G. and Zhao, J. and Zhao, J. W. and Zhao, J. Y. and Zhao, J. Z. and Zhao, Lei and Zhao, Ling and Zhao, M. G. and Zhao, Q. and Zhao, S. J. and Zhao, T. C. and Zhao, Y. B. and Zhao, Z. G. and Zhemchugov, A. and Zheng, B. and Zheng, J. P. and Zheng, Y. and Zheng, Y. H. and Zhong, B. and Zhong, C. and Zhou, L. and Zhou, L. P. and Zhou, Q. and Zhou, X. and Zhou, X. K. and Zhou, X. R. and Zhu, A. N. and Zhu, J. and Zhu, K. and Zhu, K. J. and Zhu, S. H. and Zhu, W. J. and Zhu, X. L. and Zhu, Y. C. and Zhu, Y. S. and Zhu, Z. A. and Zhuang, J. and Zou, B. S. and Zou, J. H. and BESIII Collaboration},
abstractNote = {A partial-wave analysis is performed for the process $e^+ e^– → K^+ K^– π^0π^0$ at the center-of-mass energies ranging from 2.000 to 2.644 GeV. The data samples of $e^+ e^–$ collisions, collected by the BESIII detector at the BEPCII collider with a total integrated luminosity of 300 pb–1 , are analyzed. The total Born cross sections for the process $e^+ e^– → K^+ K^– π^ 0π^0$, as well as the Born cross sections for the subprocesses $e^+ e^– → \phi π^0 π^0, K^+(1460)K^–, K^+_1(1400)K^–, K^+_1(1270)K^–,$ and $K^{\ast+} (892)K^{\ast–}(892)$, are measured versus the center-of-mass energy. The corresponding results for $e^+ e^– → K^+ K^– π^0π^0$ and $\phiπ^0π^0$ are consistent with those of $\textit{BABAR}$ with better precision. By analyzing the cross sections for the four subprocesses, $K^+ (1460)K^–, K^+_1(1400)K^–, K^+_1(1270)K^–$, and $K^{\ast+}(892)K^{\ast–}(892)$, a structure with mass $\textit{M}$ = ( 2126.5 ± 16.8 ± 12.4 ) MeV /$c^2$ and width Γ = ( 106.9 ± 32.1 ± 28.1 ) MeV is observed with an overall statistical significance of 6.3σ, although with very limited significance in the subprocesses $e^+ e^– → K^+_1(1270)K^–$ and $K^{\ast} + (892)K^{\ast–}(892)$. The resonant parameters of the observed structure suggest it can be identified with the $\phi(2170)$, thus the results provide valuable input to the internal nature of the $\phi(2170)$.},
doi = {10.1103/PhysRevLett.124.112001},
journal = {Physical Review Letters},
number = 11,
volume = 124,
place = {United States},
year = {2020},
month = {3}
}
https://doi.org/10.1103/PhysRevLett.124.112001
Web of Science
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Review of Particle Physics
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Higher tetraquark particles
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Study of mixing
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Nonstrange partner of strangeonium-like state
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Selected strong decays of and as bound states
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Branching fraction measurements of and to and
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Analysis of as a tetraquark state with QCD sum rules
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Baryonia and near-threshold enhancements
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Observation of at center-of-mass energies above 3.7 GeV
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Universal description of radially excited heavy and light vector mesons
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Measurement of cross section at
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Study of at BESIII
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A candidate for <mml:math altimg="si1.gif" overflow="scroll" xmlns:xocs="http://www.elsevier.com/xml/xocs/dtd" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.elsevier.com/xml/ja/dtd" xmlns:ja="http://www.elsevier.com/xml/ja/dtd" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:tb="http://www.elsevier.com/xml/common/table/dtd" xmlns:sb="http://www.elsevier.com/xml/common/struct-bib/dtd" xmlns:ce="http://www.elsevier.com/xml/common/dtd" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:cals="http://www.elsevier.com/xml/common/cals/dtd"><mml:msup><mml:mn>1</mml:mn><mml:mrow><mml:mo>−</mml:mo><mml:mo>−</mml:mo></mml:mrow></mml:msup></mml:math> strangeonium hybrid
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as a resonant state of the system
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Centrifugal-Barrier Effects in Resonance Partial Decay Widths, Shapes, and Production Amplitudes
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