Study of e + e − → π + π − π 0 at s from 2.00 to 3.08 GeV at BESIII

With the data samples taken at center-of-mass energies from 2.00 to 3.08 GeV with the BESIII detector at the BEPCII collider, a partial wave analysis on the e + e − → π + π − π 0 process is performed. The Born cross sections for e + e − → π + π − π 0 and its intermediate processes e + e − → ρ π and...

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Veröffentlicht in:	Physical review. D 2024-08, Vol.110 (3), Article 032005
Hauptverfasser:	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., Bao, H.-R., 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. L., Chen, S. M., Chen, T., Chen, X. R., Chen, X. T., Chen, Y. B., Chen, Y. Q., Chen, Z. J., 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., Dong, J., Dong, L. Y., Dong, M. Y., Dong, X., Du, M. C., Du, S. X., Duan, Z. H., Egorov, P., Fan, Y. H., Fang, J., Fang, S. S., Fang, W. X., Fang, Y., Fang, Y. Q., Farinelli, R., Fava, L., Feldbauer, F., Felici, G., Feng, C. Q., Feng, J. H., Fischer, K., Fritsch, M., Fu, C. D., Fu, J. L., Fu, Y. W., Gao, H., Gao, Y. N., Gao, Yang, Garbolino, S., Garzia, I.
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container_title	Physical review. D
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creator	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. Bao, H.-R. 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. L. Chen, S. M. Chen, T. Chen, X. R. Chen, X. T. Chen, Y. B. Chen, Y. Q. Chen, Z. J. 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. H. Fang, J. Fang, S. S. Fang, W. X. Fang, Y. Fang, Y. Q. Farinelli, R. Fava, L. Feldbauer, F. Felici, G. Feng, C. Q. Feng, J. H. Fischer, K. Fritsch, M. Fu, C. D. Fu, J. L. Fu, Y. W. Gao, H. Gao, Y. N. Gao, Yang Garbolino, S. Garzia, I.
description	With the data samples taken at center-of-mass energies from 2.00 to 3.08 GeV with the BESIII detector at the BEPCII collider, a partial wave analysis on the e + e − → π + π − π 0 process is performed. The Born cross sections for e + e − → π + π − π 0 and its intermediate processes e + e − → ρ π and ρ ( 1450 ) π are measured as functions of s . The results for e + e − → π + π − π 0 are consistent with previous results measured with the initial state radiation method within one standard deviation, and improve the uncertainty by a factor of ten. By fitting the line shapes of the Born cross sections for the e + e − → ρ π and e + e − → ρ ( 1450 ) π , a structure with mass M = 2119 ± 11 ± 15 MeV / c 2 and width Γ = 69 ± 30 ± 5 MeV is observed with a significance of 5.9 σ , where the first uncertainties are statistical and the second ones are systematic. This structure can be interpreted as an excited ω state.
doi_str_mv	10.1103/PhysRevD.110.032005
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N. ; Adlarson, P. ; Ai, X. C. ; Aliberti, R. ; Amoroso, A. ; An, M. R. ; An, Q. ; Bai, Y. ; Bakina, O. ; Balossino, I. ; Ban, Y. ; Bao, H.-R. ; 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. L. ; Chen, S. M. ; Chen, T. ; Chen, X. R. ; Chen, X. T. ; Chen, Y. B. ; Chen, Y. Q. ; Chen, Z. J. ; 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. H. ; Fang, J. ; Fang, S. S. ; Fang, W. X. ; Fang, Y. ; Fang, Y. Q. ; Farinelli, R. ; Fava, L. ; Feldbauer, F. ; Felici, G. ; Feng, C. Q. ; Feng, J. H. ; Fischer, K. ; Fritsch, M. ; Fu, C. D. ; Fu, J. L. ; Fu, Y. W. ; Gao, H. ; Gao, Y. N. ; Gao, Yang ; Garbolino, S. ; Garzia, I.</creator><creatorcontrib>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. ; Bao, H.-R. ; 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. L. ; Chen, S. M. ; Chen, T. ; Chen, X. R. ; Chen, X. T. ; Chen, Y. B. ; Chen, Y. Q. ; Chen, Z. J. ; 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. H. ; Fang, J. ; Fang, S. S. ; Fang, W. X. ; Fang, Y. ; Fang, Y. Q. ; Farinelli, R. ; Fava, L. ; Feldbauer, F. ; Felici, G. ; Feng, C. Q. ; Feng, J. H. ; Fischer, K. ; Fritsch, M. ; Fu, C. D. ; Fu, J. L. ; Fu, Y. W. ; Gao, H. ; Gao, Y. N. ; Gao, Yang ; Garbolino, S. ; Garzia, I. ; BESIII Collaboration</creatorcontrib><description>With the data samples taken at center-of-mass energies from 2.00 to 3.08 GeV with the BESIII detector at the BEPCII collider, a partial wave analysis on the e + e − → π + π − π 0 process is performed. The Born cross sections for e + e − → π + π − π 0 and its intermediate processes e + e − → ρ π and ρ ( 1450 ) π are measured as functions of s . The results for e + e − → π + π − π 0 are consistent with previous results measured with the initial state radiation method within one standard deviation, and improve the uncertainty by a factor of ten. By fitting the line shapes of the Born cross sections for the e + e − → ρ π and e + e − → ρ ( 1450 ) π , a structure with mass M = 2119 ± 11 ± 15 MeV / c 2 and width Γ = 69 ± 30 ± 5 MeV is observed with a significance of 5.9 σ , where the first uncertainties are statistical and the second ones are systematic. This structure can be interpreted as an excited ω state.</description><identifier>ISSN: 2470-0010</identifier><identifier>EISSN: 2470-0029</identifier><identifier>DOI: 10.1103/PhysRevD.110.032005</identifier><language>eng</language><publisher>United States: American Physical Society</publisher><ispartof>Physical review. 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Y.</creatorcontrib><creatorcontrib>Dong, X.</creatorcontrib><creatorcontrib>Du, M. C.</creatorcontrib><creatorcontrib>Du, S. X.</creatorcontrib><creatorcontrib>Duan, Z. H.</creatorcontrib><creatorcontrib>Egorov, P.</creatorcontrib><creatorcontrib>Fan, Y. H.</creatorcontrib><creatorcontrib>Fang, J.</creatorcontrib><creatorcontrib>Fang, S. S.</creatorcontrib><creatorcontrib>Fang, W. X.</creatorcontrib><creatorcontrib>Fang, Y.</creatorcontrib><creatorcontrib>Fang, Y. Q.</creatorcontrib><creatorcontrib>Farinelli, R.</creatorcontrib><creatorcontrib>Fava, L.</creatorcontrib><creatorcontrib>Feldbauer, F.</creatorcontrib><creatorcontrib>Felici, G.</creatorcontrib><creatorcontrib>Feng, C. Q.</creatorcontrib><creatorcontrib>Feng, J. H.</creatorcontrib><creatorcontrib>Fischer, K.</creatorcontrib><creatorcontrib>Fritsch, M.</creatorcontrib><creatorcontrib>Fu, C. D.</creatorcontrib><creatorcontrib>Fu, J. L.</creatorcontrib><creatorcontrib>Fu, Y. W.</creatorcontrib><creatorcontrib>Gao, H.</creatorcontrib><creatorcontrib>Gao, Y. N.</creatorcontrib><creatorcontrib>Gao, Yang</creatorcontrib><creatorcontrib>Garbolino, S.</creatorcontrib><creatorcontrib>Garzia, I.</creatorcontrib><creatorcontrib>BESIII Collaboration</creatorcontrib><title>Study of e + e − → π + π − π 0 at s from 2.00 to 3.08 GeV at BESIII</title><title>Physical review. D</title><description>With the data samples taken at center-of-mass energies from 2.00 to 3.08 GeV with the BESIII detector at the BEPCII collider, a partial wave analysis on the e + e − → π + π − π 0 process is performed. The Born cross sections for e + e − → π + π − π 0 and its intermediate processes e + e − → ρ π and ρ ( 1450 ) π are measured as functions of s . The results for e + e − → π + π − π 0 are consistent with previous results measured with the initial state radiation method within one standard deviation, and improve the uncertainty by a factor of ten. By fitting the line shapes of the Born cross sections for the e + e − → ρ π and e + e − → ρ ( 1450 ) π , a structure with mass M = 2119 ± 11 ± 15 MeV / c 2 and width Γ = 69 ± 30 ± 5 MeV is observed with a significance of 5.9 σ , where the first uncertainties are statistical and the second ones are systematic. 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Y.</creator><creator>Dong, X.</creator><creator>Du, M. C.</creator><creator>Du, S. X.</creator><creator>Duan, Z. H.</creator><creator>Egorov, P.</creator><creator>Fan, Y. H.</creator><creator>Fang, J.</creator><creator>Fang, S. S.</creator><creator>Fang, W. X.</creator><creator>Fang, Y.</creator><creator>Fang, Y. Q.</creator><creator>Farinelli, R.</creator><creator>Fava, L.</creator><creator>Feldbauer, F.</creator><creator>Felici, G.</creator><creator>Feng, C. Q.</creator><creator>Feng, J. H.</creator><creator>Fischer, K.</creator><creator>Fritsch, M.</creator><creator>Fu, C. D.</creator><creator>Fu, J. L.</creator><creator>Fu, Y. W.</creator><creator>Gao, H.</creator><creator>Gao, Y. N.</creator><creator>Gao, Yang</creator><creator>Garbolino, S.</creator><creator>Garzia, I.</creator><general>American Physical Society</general><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>20240806</creationdate><title>Study of e + e − → π + π − π 0 at s from 2.00 to 3.08 GeV at BESIII</title><author>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. ; Bao, H.-R. ; 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. L. ; Chen, S. M. ; Chen, T. ; Chen, X. R. ; Chen, X. T. ; Chen, Y. B. ; Chen, Y. Q. ; Chen, Z. J. ; 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. H. ; Fang, J. ; Fang, S. S. ; Fang, W. X. ; Fang, Y. ; Fang, Y. Q. ; Farinelli, R. ; Fava, L. ; Feldbauer, F. ; Felici, G. ; Feng, C. Q. ; Feng, J. H. ; Fischer, K. ; Fritsch, M. ; Fu, C. D. ; Fu, J. L. ; Fu, Y. W. ; Gao, H. ; Gao, Y. N. ; Gao, Yang ; Garbolino, S. ; Garzia, I.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c717-c77dfca507a2342c9532416b1a4cd389cd1a0ea331e617b8e05eaf863b873daa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ablikim, M.</creatorcontrib><creatorcontrib>Achasov, M. N.</creatorcontrib><creatorcontrib>Adlarson, P.</creatorcontrib><creatorcontrib>Ai, X. C.</creatorcontrib><creatorcontrib>Aliberti, R.</creatorcontrib><creatorcontrib>Amoroso, A.</creatorcontrib><creatorcontrib>An, M. R.</creatorcontrib><creatorcontrib>An, Q.</creatorcontrib><creatorcontrib>Bai, Y.</creatorcontrib><creatorcontrib>Bakina, O.</creatorcontrib><creatorcontrib>Balossino, I.</creatorcontrib><creatorcontrib>Ban, Y.</creatorcontrib><creatorcontrib>Bao, H.-R.</creatorcontrib><creatorcontrib>Batozskaya, V.</creatorcontrib><creatorcontrib>Begzsuren, K.</creatorcontrib><creatorcontrib>Berger, N.</creatorcontrib><creatorcontrib>Berlowski, M.</creatorcontrib><creatorcontrib>Bertani, M.</creatorcontrib><creatorcontrib>Bettoni, D.</creatorcontrib><creatorcontrib>Bianchi, F.</creatorcontrib><creatorcontrib>Bianco, E.</creatorcontrib><creatorcontrib>Bortone, A.</creatorcontrib><creatorcontrib>Boyko, I.</creatorcontrib><creatorcontrib>Briere, R. A.</creatorcontrib><creatorcontrib>Brueggemann, A.</creatorcontrib><creatorcontrib>Cai, H.</creatorcontrib><creatorcontrib>Cai, X.</creatorcontrib><creatorcontrib>Calcaterra, A.</creatorcontrib><creatorcontrib>Cao, G. F.</creatorcontrib><creatorcontrib>Cao, N.</creatorcontrib><creatorcontrib>Cetin, S. A.</creatorcontrib><creatorcontrib>Chang, J. F.</creatorcontrib><creatorcontrib>Chang, T. T.</creatorcontrib><creatorcontrib>Chang, W. L.</creatorcontrib><creatorcontrib>Che, G. R.</creatorcontrib><creatorcontrib>Chelkov, G.</creatorcontrib><creatorcontrib>Chen, C.</creatorcontrib><creatorcontrib>Chen, Chao</creatorcontrib><creatorcontrib>Chen, G.</creatorcontrib><creatorcontrib>Chen, H. S.</creatorcontrib><creatorcontrib>Chen, M. L.</creatorcontrib><creatorcontrib>Chen, S. J.</creatorcontrib><creatorcontrib>Chen, S. L.</creatorcontrib><creatorcontrib>Chen, S. M.</creatorcontrib><creatorcontrib>Chen, T.</creatorcontrib><creatorcontrib>Chen, X. R.</creatorcontrib><creatorcontrib>Chen, X. T.</creatorcontrib><creatorcontrib>Chen, Y. B.</creatorcontrib><creatorcontrib>Chen, Y. Q.</creatorcontrib><creatorcontrib>Chen, Z. J.</creatorcontrib><creatorcontrib>Choi, S. K.</creatorcontrib><creatorcontrib>Chu, X.</creatorcontrib><creatorcontrib>Cibinetto, G.</creatorcontrib><creatorcontrib>Coen, S. C.</creatorcontrib><creatorcontrib>Cossio, F.</creatorcontrib><creatorcontrib>Cui, J. J.</creatorcontrib><creatorcontrib>Dai, H. L.</creatorcontrib><creatorcontrib>Dai, J. P.</creatorcontrib><creatorcontrib>Dbeyssi, A.</creatorcontrib><creatorcontrib>de Boer, R. E.</creatorcontrib><creatorcontrib>Dedovich, D.</creatorcontrib><creatorcontrib>Deng, Z. Y.</creatorcontrib><creatorcontrib>Denig, A.</creatorcontrib><creatorcontrib>Denysenko, I.</creatorcontrib><creatorcontrib>Destefanis, M.</creatorcontrib><creatorcontrib>De Mori, F.</creatorcontrib><creatorcontrib>Ding, B.</creatorcontrib><creatorcontrib>Ding, X. X.</creatorcontrib><creatorcontrib>Ding, Y.</creatorcontrib><creatorcontrib>Ding, Y.</creatorcontrib><creatorcontrib>Dong, J.</creatorcontrib><creatorcontrib>Dong, L. Y.</creatorcontrib><creatorcontrib>Dong, M. Y.</creatorcontrib><creatorcontrib>Dong, X.</creatorcontrib><creatorcontrib>Du, M. C.</creatorcontrib><creatorcontrib>Du, S. X.</creatorcontrib><creatorcontrib>Duan, Z. H.</creatorcontrib><creatorcontrib>Egorov, P.</creatorcontrib><creatorcontrib>Fan, Y. H.</creatorcontrib><creatorcontrib>Fang, J.</creatorcontrib><creatorcontrib>Fang, S. S.</creatorcontrib><creatorcontrib>Fang, W. X.</creatorcontrib><creatorcontrib>Fang, Y.</creatorcontrib><creatorcontrib>Fang, Y. Q.</creatorcontrib><creatorcontrib>Farinelli, R.</creatorcontrib><creatorcontrib>Fava, L.</creatorcontrib><creatorcontrib>Feldbauer, F.</creatorcontrib><creatorcontrib>Felici, G.</creatorcontrib><creatorcontrib>Feng, C. Q.</creatorcontrib><creatorcontrib>Feng, J. H.</creatorcontrib><creatorcontrib>Fischer, K.</creatorcontrib><creatorcontrib>Fritsch, M.</creatorcontrib><creatorcontrib>Fu, C. D.</creatorcontrib><creatorcontrib>Fu, J. L.</creatorcontrib><creatorcontrib>Fu, Y. W.</creatorcontrib><creatorcontrib>Gao, H.</creatorcontrib><creatorcontrib>Gao, Y. N.</creatorcontrib><creatorcontrib>Gao, Yang</creatorcontrib><creatorcontrib>Garbolino, S.</creatorcontrib><creatorcontrib>Garzia, I.</creatorcontrib><creatorcontrib>BESIII Collaboration</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Physical review. D</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ablikim, M.</au><au>Achasov, M. N.</au><au>Adlarson, P.</au><au>Ai, X. C.</au><au>Aliberti, R.</au><au>Amoroso, A.</au><au>An, M. R.</au><au>An, Q.</au><au>Bai, Y.</au><au>Bakina, O.</au><au>Balossino, I.</au><au>Ban, Y.</au><au>Bao, H.-R.</au><au>Batozskaya, V.</au><au>Begzsuren, K.</au><au>Berger, N.</au><au>Berlowski, M.</au><au>Bertani, M.</au><au>Bettoni, D.</au><au>Bianchi, F.</au><au>Bianco, E.</au><au>Bortone, A.</au><au>Boyko, I.</au><au>Briere, R. A.</au><au>Brueggemann, A.</au><au>Cai, H.</au><au>Cai, X.</au><au>Calcaterra, A.</au><au>Cao, G. F.</au><au>Cao, N.</au><au>Cetin, S. A.</au><au>Chang, J. F.</au><au>Chang, T. T.</au><au>Chang, W. L.</au><au>Che, G. R.</au><au>Chelkov, G.</au><au>Chen, C.</au><au>Chen, Chao</au><au>Chen, G.</au><au>Chen, H. S.</au><au>Chen, M. L.</au><au>Chen, S. J.</au><au>Chen, S. L.</au><au>Chen, S. M.</au><au>Chen, T.</au><au>Chen, X. R.</au><au>Chen, X. T.</au><au>Chen, Y. B.</au><au>Chen, Y. Q.</au><au>Chen, Z. J.</au><au>Choi, S. K.</au><au>Chu, X.</au><au>Cibinetto, G.</au><au>Coen, S. C.</au><au>Cossio, F.</au><au>Cui, J. J.</au><au>Dai, H. L.</au><au>Dai, J. P.</au><au>Dbeyssi, A.</au><au>de Boer, R. E.</au><au>Dedovich, D.</au><au>Deng, Z. Y.</au><au>Denig, A.</au><au>Denysenko, I.</au><au>Destefanis, M.</au><au>De Mori, F.</au><au>Ding, B.</au><au>Ding, X. X.</au><au>Ding, Y.</au><au>Ding, Y.</au><au>Dong, J.</au><au>Dong, L. Y.</au><au>Dong, M. Y.</au><au>Dong, X.</au><au>Du, M. C.</au><au>Du, S. X.</au><au>Duan, Z. H.</au><au>Egorov, P.</au><au>Fan, Y. H.</au><au>Fang, J.</au><au>Fang, S. S.</au><au>Fang, W. X.</au><au>Fang, Y.</au><au>Fang, Y. Q.</au><au>Farinelli, R.</au><au>Fava, L.</au><au>Feldbauer, F.</au><au>Felici, G.</au><au>Feng, C. Q.</au><au>Feng, J. H.</au><au>Fischer, K.</au><au>Fritsch, M.</au><au>Fu, C. D.</au><au>Fu, J. L.</au><au>Fu, Y. W.</au><au>Gao, H.</au><au>Gao, Y. N.</au><au>Gao, Yang</au><au>Garbolino, S.</au><au>Garzia, I.</au><aucorp>BESIII Collaboration</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Study of e + e − → π + π − π 0 at s from 2.00 to 3.08 GeV at BESIII</atitle><jtitle>Physical review. D</jtitle><date>2024-08-06</date><risdate>2024</risdate><volume>110</volume><issue>3</issue><artnum>032005</artnum><issn>2470-0010</issn><eissn>2470-0029</eissn><abstract>With the data samples taken at center-of-mass energies from 2.00 to 3.08 GeV with the BESIII detector at the BEPCII collider, a partial wave analysis on the e + e − → π + π − π 0 process is performed. The Born cross sections for e + e − → π + π − π 0 and its intermediate processes e + e − → ρ π and ρ ( 1450 ) π are measured as functions of s . The results for e + e − → π + π − π 0 are consistent with previous results measured with the initial state radiation method within one standard deviation, and improve the uncertainty by a factor of ten. By fitting the line shapes of the Born cross sections for the e + e − → ρ π and e + e − → ρ ( 1450 ) π , a structure with mass M = 2119 ± 11 ± 15 MeV / c 2 and width Γ = 69 ± 30 ± 5 MeV is observed with a significance of 5.9 σ , where the first uncertainties are statistical and the second ones are systematic. This structure can be interpreted as an excited ω state.</abstract><cop>United States</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevD.110.032005</doi></addata></record>
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source	American Physical Society Journals
title	Study of e + e − → π + π − π 0 at s from 2.00 to 3.08 GeV at BESIII
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