Measurement of the ${e}^{+}{e}^{{-}}{\rightarrow}{{\pi}}^{+}{{\pi}}^{{-}}{{\pi}}^{0}{{\pi}}^{0}$ cross section using initial-state radiation at BABAR
The process e+e-→π+π-2π0γ is investigated by means of the initial-state radiation technique, where a photon is emitted from the incoming electron or positron. Using 454.3 fb-1 of data collected around a center-of-mass energy of s=10.58 GeV by the BABAR experiment at SLAC, approximately 150000 sign...
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| Veröffentlicht in: | Physical review. D 2017, Vol.96 (9) |
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| creator | Lees, J.P. Poireau, V. Tisserand, V. Grauges, E. Palano, A. Eigen, G. Brown, David Nathan Kolomensky, Yu.G. Fritsch, M. Koch, H. Schroeder, T. Hearty, C. Mattison, T.S. Mckenna, J.A. So, R.Y. Blinov, V.E. Buzykaev, A.R. Druzhinin, V.P. Golubev, V.B. Kravchenko, E.A. Onuchin, A.P. Serednyakov, S.I. Skovpen, Yu.I. Solodov, E.P. Todyshev, K.Yu Lankford, A.J. Gary, J.W. Long, O. Eisner, A.M. Lockman, W.S. Panduro Vazquez, W. Chao, D.S. Cheng, C.H. Echenard, B. Flood, K.T. Hitlin, D.G. Kim, J. Miyashita, T.S. Ongmongkolkul, P. Porter, F.C. Röhrken, M. Huard, Z. Meadows, B.T. Pushpawela, B.G. Sokoloff, M.D. Sun, L. Smith, J.G. Wagner, S.R. Bernard, D. Verderi, M. Bettoni, D. Bozzi, C. Calabrese, R. Cibinetto, G. Fioravanti, E. Garzia, I. Luppi, E. Santoro, V. Calcaterra, A. de Sangro, R. Finocchiaro, G. Martellotti, S. Patteri, P. Peruzzi, I.M. Piccolo, M. Rotondo, M. Zallo, A. Passaggio, S. Patrignani, C. Lacker, H.M. Bhuyan, B. Mallik, U. Chen, C. Cochran, J. Prell, S. Ahmed, H. Gritsan, A.V. Arnaud, N. Davier, M. Le Diberder, F. Lutz, A.M. Wormser, G. Lange, D.J. Wright, D.M. Coleman, J.P. Hutchcroft, D.E. Payne, D.J. Touramanis, C. Bevan, A.J. Di Lodovico, F. Sacco, R. Cowan, G. Banerjee, Sw Brown, David Norvil Davis, C.L. Denig, A.G. Gradl, W. Griessinger, K. Hafner, A. Schubert, K.R. |
| description | The process e+e-→π+π-2π0γ is investigated by means of the initial-state radiation technique, where a photon is emitted from the incoming electron or positron. Using 454.3 fb-1 of data collected around a center-of-mass energy of s=10.58 GeV by the BABAR experiment at SLAC, approximately 150000 signal events are obtained. The corresponding nonradiative cross section is measured with a relative uncertainty of 3.6% in the energy region around 1.5 GeV, surpassing all existing measurements in precision. Using this new result, the channel’s contribution to the leading order hadronic vacuum polarization contribution to the anomalous magnetic moment of the muon is calculated as (gμπ+π-2π0-2)/2=(17.9±0.1stat±0.6syst)×10-10 in the energy range 0.85 GeV |
| doi_str_mv | 10.1103/PhysRevD.96.092009 |
| format | Article |
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Using 454.3 fb-1 of data collected around a center-of-mass energy of s=10.58 GeV by the BABAR experiment at SLAC, approximately 150000 signal events are obtained. The corresponding nonradiative cross section is measured with a relative uncertainty of 3.6% in the energy region around 1.5 GeV, surpassing all existing measurements in precision. Using this new result, the channel’s contribution to the leading order hadronic vacuum polarization contribution to the anomalous magnetic moment of the muon is calculated as (gμπ+π-2π0-2)/2=(17.9±0.1stat±0.6syst)×10-10 in the energy range 0.85 GeV<ECM<1.8 GeV. In the same energy range, the impact on the running of the fine-structure constant at the Z0-pole is determined as Δαπ+π-2π0(MZ2)=(4.44±0.02stat±0.14syst)×10-4. Furthermore, intermediate resonances are studied and especially the cross section of the process e+e-→ωπ0→π+π-2π0 is measured.</description><identifier>ISSN: 2470-0010</identifier><identifier>EISSN: 2470-0029</identifier><identifier>DOI: 10.1103/PhysRevD.96.092009</identifier><language>eng</language><publisher>American Physical Society</publisher><subject>High Energy Physics - Experiment ; Physics</subject><ispartof>Physical review. D, 2017, Vol.96 (9)</ispartof><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0001-6589-8673 ; 0000-0003-2655-7643 ; 0000-0002-9807-861X ; 0000-0001-6589-8673</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,315,782,786,887,4026,27930,27931,27932</link.rule.ids><backlink>$$Uhttps://hal.science/hal-01669720$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Lees, J.P.</creatorcontrib><creatorcontrib>Poireau, V.</creatorcontrib><creatorcontrib>Tisserand, V.</creatorcontrib><creatorcontrib>Grauges, E.</creatorcontrib><creatorcontrib>Palano, A.</creatorcontrib><creatorcontrib>Eigen, G.</creatorcontrib><creatorcontrib>Brown, David Nathan</creatorcontrib><creatorcontrib>Kolomensky, 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C.</creatorcontrib><creatorcontrib>Cochran, J.</creatorcontrib><creatorcontrib>Prell, S.</creatorcontrib><creatorcontrib>Ahmed, H.</creatorcontrib><creatorcontrib>Gritsan, A.V.</creatorcontrib><creatorcontrib>Arnaud, N.</creatorcontrib><creatorcontrib>Davier, M.</creatorcontrib><creatorcontrib>Le Diberder, F.</creatorcontrib><creatorcontrib>Lutz, A.M.</creatorcontrib><creatorcontrib>Wormser, G.</creatorcontrib><creatorcontrib>Lange, D.J.</creatorcontrib><creatorcontrib>Wright, D.M.</creatorcontrib><creatorcontrib>Coleman, J.P.</creatorcontrib><creatorcontrib>Hutchcroft, D.E.</creatorcontrib><creatorcontrib>Payne, D.J.</creatorcontrib><creatorcontrib>Touramanis, C.</creatorcontrib><creatorcontrib>Bevan, A.J.</creatorcontrib><creatorcontrib>Di Lodovico, F.</creatorcontrib><creatorcontrib>Sacco, R.</creatorcontrib><creatorcontrib>Cowan, G.</creatorcontrib><creatorcontrib>Banerjee, Sw</creatorcontrib><creatorcontrib>Brown, David Norvil</creatorcontrib><creatorcontrib>Davis, C.L.</creatorcontrib><creatorcontrib>Denig, A.G.</creatorcontrib><creatorcontrib>Gradl, W.</creatorcontrib><creatorcontrib>Griessinger, K.</creatorcontrib><creatorcontrib>Hafner, A.</creatorcontrib><creatorcontrib>Schubert, K.R.</creatorcontrib><title>Measurement of the ${e}^{+}{e}^{{-}}{\rightarrow}{{\pi}}^{+}{{\pi}}^{{-}}{{\pi}}^{0}{{\pi}}^{0}$ cross section using initial-state radiation at BABAR</title><title>Physical review. D</title><description>The process e+e-→π+π-2π0γ is investigated by means of the initial-state radiation technique, where a photon is emitted from the incoming electron or positron. Using 454.3 fb-1 of data collected around a center-of-mass energy of s=10.58 GeV by the BABAR experiment at SLAC, approximately 150000 signal events are obtained. The corresponding nonradiative cross section is measured with a relative uncertainty of 3.6% in the energy region around 1.5 GeV, surpassing all existing measurements in precision. Using this new result, the channel’s contribution to the leading order hadronic vacuum polarization contribution to the anomalous magnetic moment of the muon is calculated as (gμπ+π-2π0-2)/2=(17.9±0.1stat±0.6syst)×10-10 in the energy range 0.85 GeV<ECM<1.8 GeV. In the same energy range, the impact on the running of the fine-structure constant at the Z0-pole is determined as Δαπ+π-2π0(MZ2)=(4.44±0.02stat±0.14syst)×10-4. Furthermore, intermediate resonances are studied and especially the cross section of the process e+e-→ωπ0→π+π-2π0 is measured.</description><subject>High Energy Physics - Experiment</subject><subject>Physics</subject><issn>2470-0010</issn><issn>2470-0029</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqVj81Kw0AUhQdRsGhfwNUsuhFJvJNKwixTf-hCQYrLYrjUaXMlzZS500oZ5jF839Zoxa2r8517v80R4kJBqhQMr5_rLU_M5i7VeQo6A9BHopfdFJAAZPr4lxWcij7zO-wxB10o1ROfTwZ57czStF7aufS1kYNg4mu4il2EJMYwdbSoPTpnP2II0xXFb-GAnXQo8BcHcuYss2Qz82RbuWZqF5Ja8oRNwh69kQ7fCLsvejkqR-XkXJzMsWHT_8kzcflw_3I7TmpsqpWjJbptZZGqcflYfd32g3JdZLBRw_-4O7-uaC0</recordid><startdate>2017</startdate><enddate>2017</enddate><creator>Lees, J.P.</creator><creator>Poireau, V.</creator><creator>Tisserand, V.</creator><creator>Grauges, E.</creator><creator>Palano, A.</creator><creator>Eigen, G.</creator><creator>Brown, David Nathan</creator><creator>Kolomensky, 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Society</general><scope>1XC</scope><orcidid>https://orcid.org/0000-0001-6589-8673</orcidid><orcidid>https://orcid.org/0000-0003-2655-7643</orcidid><orcidid>https://orcid.org/0000-0002-9807-861X</orcidid><orcidid>https://orcid.org/0000-0001-6589-8673</orcidid></search><sort><creationdate>2017</creationdate><title>Measurement of the ${e}^{+}{e}^{{-}}{\rightarrow}{{\pi}}^{+}{{\pi}}^{{-}}{{\pi}}^{0}{{\pi}}^{0}$ cross section using initial-state radiation at BABAR</title><author>Lees, J.P. ; Poireau, V. ; Tisserand, V. ; Grauges, E. ; Palano, A. ; Eigen, G. ; Brown, David Nathan ; Kolomensky, Yu.G. ; Fritsch, M. ; Koch, H. ; Schroeder, T. ; Hearty, C. ; Mattison, T.S. ; Mckenna, J.A. ; So, R.Y. ; Blinov, V.E. ; Buzykaev, A.R. ; Druzhinin, V.P. ; Golubev, V.B. ; Kravchenko, E.A. ; Onuchin, A.P. ; Serednyakov, S.I. ; Skovpen, Yu.I. ; Solodov, E.P. ; Todyshev, K.Yu ; Lankford, A.J. ; Gary, J.W. ; Long, O. ; Eisner, A.M. ; Lockman, W.S. ; Panduro Vazquez, W. ; Chao, D.S. ; Cheng, C.H. ; Echenard, B. ; Flood, K.T. ; Hitlin, D.G. ; Kim, J. ; Miyashita, T.S. ; Ongmongkolkul, P. ; Porter, F.C. ; Röhrken, M. ; Huard, Z. ; Meadows, B.T. ; Pushpawela, B.G. ; Sokoloff, M.D. ; Sun, L. ; Smith, J.G. ; Wagner, S.R. ; Bernard, D. ; Verderi, M. ; Bettoni, D. ; Bozzi, C. ; Calabrese, R. ; Cibinetto, G. ; Fioravanti, E. ; Garzia, I. ; Luppi, E. ; Santoro, V. ; Calcaterra, A. ; de Sangro, R. ; Finocchiaro, G. ; Martellotti, S. ; Patteri, P. ; Peruzzi, I.M. ; Piccolo, M. ; Rotondo, M. ; Zallo, A. ; Passaggio, S. ; Patrignani, C. ; Lacker, H.M. ; Bhuyan, B. ; Mallik, U. ; Chen, C. ; Cochran, J. ; Prell, S. ; Ahmed, H. ; Gritsan, A.V. ; Arnaud, N. ; Davier, M. ; Le Diberder, F. ; Lutz, A.M. ; Wormser, G. ; Lange, D.J. ; Wright, D.M. ; Coleman, J.P. ; Hutchcroft, D.E. ; Payne, D.J. ; Touramanis, C. ; Bevan, A.J. ; Di Lodovico, F. ; Sacco, R. ; Cowan, G. ; Banerjee, Sw ; Brown, David Norvil ; Davis, C.L. ; Denig, A.G. ; Gradl, W. ; Griessinger, K. ; Hafner, A. ; Schubert, K.R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-hal_primary_oai_HAL_hal_01669720v13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>High Energy Physics - Experiment</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lees, J.P.</creatorcontrib><creatorcontrib>Poireau, V.</creatorcontrib><creatorcontrib>Tisserand, V.</creatorcontrib><creatorcontrib>Grauges, E.</creatorcontrib><creatorcontrib>Palano, A.</creatorcontrib><creatorcontrib>Eigen, G.</creatorcontrib><creatorcontrib>Brown, David Nathan</creatorcontrib><creatorcontrib>Kolomensky, Yu.G.</creatorcontrib><creatorcontrib>Fritsch, M.</creatorcontrib><creatorcontrib>Koch, H.</creatorcontrib><creatorcontrib>Schroeder, T.</creatorcontrib><creatorcontrib>Hearty, C.</creatorcontrib><creatorcontrib>Mattison, T.S.</creatorcontrib><creatorcontrib>Mckenna, 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Ligne (HAL)</collection><jtitle>Physical review. D</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lees, J.P.</au><au>Poireau, V.</au><au>Tisserand, V.</au><au>Grauges, E.</au><au>Palano, A.</au><au>Eigen, G.</au><au>Brown, David Nathan</au><au>Kolomensky, Yu.G.</au><au>Fritsch, M.</au><au>Koch, H.</au><au>Schroeder, T.</au><au>Hearty, C.</au><au>Mattison, T.S.</au><au>Mckenna, J.A.</au><au>So, R.Y.</au><au>Blinov, V.E.</au><au>Buzykaev, A.R.</au><au>Druzhinin, V.P.</au><au>Golubev, V.B.</au><au>Kravchenko, E.A.</au><au>Onuchin, A.P.</au><au>Serednyakov, S.I.</au><au>Skovpen, Yu.I.</au><au>Solodov, E.P.</au><au>Todyshev, K.Yu</au><au>Lankford, A.J.</au><au>Gary, J.W.</au><au>Long, O.</au><au>Eisner, A.M.</au><au>Lockman, W.S.</au><au>Panduro Vazquez, W.</au><au>Chao, D.S.</au><au>Cheng, C.H.</au><au>Echenard, B.</au><au>Flood, K.T.</au><au>Hitlin, D.G.</au><au>Kim, J.</au><au>Miyashita, T.S.</au><au>Ongmongkolkul, P.</au><au>Porter, F.C.</au><au>Röhrken, M.</au><au>Huard, Z.</au><au>Meadows, B.T.</au><au>Pushpawela, B.G.</au><au>Sokoloff, M.D.</au><au>Sun, L.</au><au>Smith, J.G.</au><au>Wagner, S.R.</au><au>Bernard, D.</au><au>Verderi, M.</au><au>Bettoni, D.</au><au>Bozzi, C.</au><au>Calabrese, R.</au><au>Cibinetto, G.</au><au>Fioravanti, E.</au><au>Garzia, I.</au><au>Luppi, E.</au><au>Santoro, V.</au><au>Calcaterra, A.</au><au>de Sangro, R.</au><au>Finocchiaro, G.</au><au>Martellotti, S.</au><au>Patteri, P.</au><au>Peruzzi, I.M.</au><au>Piccolo, M.</au><au>Rotondo, M.</au><au>Zallo, A.</au><au>Passaggio, S.</au><au>Patrignani, C.</au><au>Lacker, H.M.</au><au>Bhuyan, B.</au><au>Mallik, U.</au><au>Chen, C.</au><au>Cochran, J.</au><au>Prell, S.</au><au>Ahmed, H.</au><au>Gritsan, A.V.</au><au>Arnaud, N.</au><au>Davier, M.</au><au>Le Diberder, F.</au><au>Lutz, A.M.</au><au>Wormser, G.</au><au>Lange, D.J.</au><au>Wright, D.M.</au><au>Coleman, J.P.</au><au>Hutchcroft, D.E.</au><au>Payne, D.J.</au><au>Touramanis, C.</au><au>Bevan, A.J.</au><au>Di Lodovico, F.</au><au>Sacco, R.</au><au>Cowan, G.</au><au>Banerjee, Sw</au><au>Brown, David Norvil</au><au>Davis, C.L.</au><au>Denig, A.G.</au><au>Gradl, W.</au><au>Griessinger, K.</au><au>Hafner, A.</au><au>Schubert, K.R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Measurement of the ${e}^{+}{e}^{{-}}{\rightarrow}{{\pi}}^{+}{{\pi}}^{{-}}{{\pi}}^{0}{{\pi}}^{0}$ cross section using initial-state radiation at BABAR</atitle><jtitle>Physical review. D</jtitle><date>2017</date><risdate>2017</risdate><volume>96</volume><issue>9</issue><issn>2470-0010</issn><eissn>2470-0029</eissn><abstract>The process e+e-→π+π-2π0γ is investigated by means of the initial-state radiation technique, where a photon is emitted from the incoming electron or positron. Using 454.3 fb-1 of data collected around a center-of-mass energy of s=10.58 GeV by the BABAR experiment at SLAC, approximately 150000 signal events are obtained. The corresponding nonradiative cross section is measured with a relative uncertainty of 3.6% in the energy region around 1.5 GeV, surpassing all existing measurements in precision. Using this new result, the channel’s contribution to the leading order hadronic vacuum polarization contribution to the anomalous magnetic moment of the muon is calculated as (gμπ+π-2π0-2)/2=(17.9±0.1stat±0.6syst)×10-10 in the energy range 0.85 GeV<ECM<1.8 GeV. In the same energy range, the impact on the running of the fine-structure constant at the Z0-pole is determined as Δαπ+π-2π0(MZ2)=(4.44±0.02stat±0.14syst)×10-4. Furthermore, intermediate resonances are studied and especially the cross section of the process e+e-→ωπ0→π+π-2π0 is measured.</abstract><pub>American Physical Society</pub><doi>10.1103/PhysRevD.96.092009</doi><orcidid>https://orcid.org/0000-0001-6589-8673</orcidid><orcidid>https://orcid.org/0000-0003-2655-7643</orcidid><orcidid>https://orcid.org/0000-0002-9807-861X</orcidid><orcidid>https://orcid.org/0000-0001-6589-8673</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 2470-0010 |
| ispartof | Physical review. D, 2017, Vol.96 (9) |
| issn | 2470-0010 2470-0029 |
| language | eng |
| recordid | cdi_hal_primary_oai_HAL_hal_01669720v1 |
| source | American Physical Society Journals |
| subjects | High Energy Physics - Experiment Physics |
| title | Measurement of the ${e}^{+}{e}^{{-}}{\rightarrow}{{\pi}}^{+}{{\pi}}^{{-}}{{\pi}}^{0}{{\pi}}^{0}$ cross section using initial-state radiation at BABAR |
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