Measurement of the e+e-→π+π-π0π0 cross section using initial-state radiation at BABAR

J. P. Lees; V. Poireau; V. Tisserand; E. Grauges; A. Palano; G. Eigen; D. N. Brown; Yu G. Kolomensky; M. Fritsch; H. Koch; T. Schroeder; C. Hearty; T. S. Mattison; J. A. McKenna; R. Y. So; V. E. Blinov; A. R. Buzykaev; V. P. Druzhinin; V. B. Golubev; E. A. Kravchenko; A. P. Onuchin; S. I. Serednyakov; Yu I. Skovpen; E. P. Solodov; K. Yu Todyshev; A. J. Lankford; J. W. Gary; O. Long; A. M. Eisner; W. S. Lockman; W. Panduro Vazquez; D. S. Chao; C. H. Cheng; B. Echenard; K. T. Flood; D. G. Hitlin; J. Kim; T. S. Miyashita; P. Ongmongkolkul; F. C. Porter; M. Röhrken; Z. Huard; B. T. Meadows; B. G. Pushpawela; M. D. Sokoloff; L. Sun; J. G. Smith; S. R. Wagner; D. Bernard; M. Verderi; D. Bettoni; C. Bozzi; R. Calabrese; G. Cibinetto; E. Fioravanti; I. Garzia; E. Luppi; V. Santoro; A. Calcaterra; R. De Sangro; G. Finocchiaro; S. Martellotti; P. Patteri; I. M. Peruzzi; M. Piccolo; M. Rotondo; A. Zallo; S. Passaggio; C. Patrignani; H. M. Lacker; B. Bhuyan; U. Mallik; C. Chen; J. Cochran; S. Prell; H. Ahmed; A. V. Gritsan; N. Arnaud; M. Davier; F. Le Diberder; A. M. Lutz; G. Wormser; D. J. Lange; D. M. Wright; J. P. Coleman; E. Gabathuler; D. E. Hutchcroft; D. J. Payne; C. Touramanis; A. J. Bevan; F. Di Lodovico; R. Sacco; G. Cowan; Sw Banerjee; D. N. Brown; C. L. Davis; A. G. Denig; W. Gradl; K. Griessinger; A. Hafner; K. R. Schubert; R. J. Barlow; G. D. Lafferty; R. Cenci; A. Jawahery; D. A. Roberts; R. Cowan; S. H. Robertson; B. Dey; N. Neri; F. Palombo; R. Cheaib; L. Cremaldi; R. Godang; D. J. Summers; P. Taras; G. De Nardo; C. Sciacca; G. Raven; C. P. Jessop; J. M. Losecco; K. Honscheid; R. Kass; A. Gaz; M. Margoni; M. Posocco; G. Simi; F. Simonetto; R. Stroili; S. Akar; E. Ben-Haim; M. Bomben; G. R. Bonneaud; G. Calderini; J. Chauveau; G. Marchiori; J. Ocariz; M. Biasini; E. Manoni; A. Rossi; G. Batignani; S. Bettarini; M. Carpinelli; G. Casarosa; M. Chrzaszcz; F. Forti; M. A. Giorgi; A. Lusiani; B. Oberhof; E. Paoloni; M. Rama; G. Rizzo; J. J. Walsh; A. J.S. Smith; F. Anulli; R. Faccini; F. Ferrarotto; F. Ferroni; A. Pilloni; G. Piredda; C. Bünger; S. Dittrich; O. Grünberg; M. Heß; T. Leddig; C. Voß; R. Waldi; T. Adye; F. F. Wilson; S. Emery; G. Vasseur; D. Aston; C. Cartaro; M. R. Convery; J. Dorfan; W. Dunwoodie; M. Ebert; R. C. Field; B. G. Fulsom; M. T. Graham; C. Hast; W. R. Innes; P. Kim; D. W.G.S. Leith; S. Luitz; D. B. Macfarlane; D. R. Muller; H. Neal; B. N. Ratcliff; A. Roodman; M. K. Sullivan; J. Va'Vra; W. J. Wisniewski; M. V. Purohit; J. R. Wilson; A. Randle-Conde; S. J. Sekula; M. Bellis; P. R. Burchat; E. M.T. Puccio; M. S. Alam; J. A. Ernst; R. Gorodeisky; N. Guttman; D. R. Peimer; A. Soffer; S. M. Spanier; J. L. Ritchie; R. F. Schwitters; J. M. Izen; X. C. Lou; F. Bianchi; F. De Mori; A. Filippi; D. Gamba; L. Lanceri; L. Vitale; F. Martinez-Vidal; A. Oyanguren; J. Albert; A. Beaulieu; F. U. Bernlochner; G. J. King; R. Kowalewski; T. Lueck; I. M. Nugent; J. M. Roney; R. J. Sobie; N. Tasneem; T. J. Gershon; P. F. Harrison; T. E. Latham; R. Prepost; S. L. Wu

doi:10.1103/PhysRevD.96.092009

Measurement of the e+e-→π+π-π0π0 cross section using initial-state radiation at BABAR

J. P. Lees
, V. Poireau
, V. Tisserand
, E. Grauges
, A. Palano
, G. Eigen
, D. N. Brown
, Yu G. Kolomensky
, M. Fritsch
, H. Koch
, T. Schroeder
, C. Hearty
, T. S. Mattison
, J. A. McKenna
, R. Y. So
, V. E. Blinov
, A. R. Buzykaev
, V. P. Druzhinin
, V. B. Golubev
, E. A. Kravchenko

A. P. Onuchin, S. I. Serednyakov, Yu I. Skovpen, E. P. Solodov, K. Yu Todyshev, A. J. Lankford, J. W. Gary, O. Long, A. M. Eisner, W. S. Lockman, W. Panduro Vazquez, D. S. Chao, C. H. Cheng, B. Echenard, K. T. Flood, D. G. Hitlin, J. Kim, T. S. Miyashita, P. Ongmongkolkul, F. C. Porter, M. Röhrken, Z. Huard, B. T. Meadows, B. G. Pushpawela, M. D. Sokoloff, L. Sun, J. G. Smith, S. R. Wagner, D. Bernard, M. Verderi, D. Bettoni, C. Bozzi, R. Calabrese, G. Cibinetto, E. Fioravanti, I. Garzia, E. Luppi, V. Santoro, A. Calcaterra, R. De Sangro, G. Finocchiaro, S. Martellotti, P. Patteri, I. M. Peruzzi, M. Piccolo, M. Rotondo, A. Zallo, S. Passaggio, C. Patrignani, H. M. Lacker, B. Bhuyan, U. Mallik, C. Chen, J. Cochran, S. Prell, H. Ahmed, A. V. Gritsan, N. Arnaud, M. Davier, F. Le Diberder, A. M. Lutz, G. Wormser, D. J. Lange, D. M. Wright, J. P. Coleman, E. Gabathuler, D. E. Hutchcroft, D. J. Payne, C. Touramanis, A. J. Bevan, F. Di Lodovico, R. Sacco, G. Cowan, Sw Banerjee, D. N. Brown, C. L. Davis, A. G. Denig, W. Gradl, K. Griessinger, A. Hafner, K. R. Schubert, R. J. Barlow, G. D. Lafferty, R. Cenci, A. Jawahery, D. A. Roberts, R. Cowan, S. H. Robertson, B. Dey, N. Neri, F. Palombo, R. Cheaib, L. Cremaldi, R. Godang, D. J. Summers, P. Taras, G. De Nardo, C. Sciacca, G. Raven, C. P. Jessop, J. M. Losecco, K. Honscheid, R. Kass, A. Gaz, M. Margoni, M. Posocco, G. Simi, F. Simonetto, R. Stroili, S. Akar, E. Ben-Haim, M. Bomben, G. R. Bonneaud, G. Calderini, J. Chauveau, G. Marchiori, J. Ocariz, M. Biasini, E. Manoni, A. Rossi, G. Batignani, S. Bettarini, M. Carpinelli, G. Casarosa, M. Chrzaszcz, F. Forti, M. A. Giorgi, A. Lusiani, B. Oberhof, E. Paoloni, M. Rama, G. Rizzo, J. J. Walsh, A. J.S. Smith, F. Anulli, R. Faccini, F. Ferrarotto, F. Ferroni, A. Pilloni, G. Piredda, C. Bünger, S. Dittrich, O. Grünberg, M. Heß, T. Leddig, C. Voß, R. Waldi, T. Adye, F. F. Wilson, S. Emery, G. Vasseur, D. Aston, C. Cartaro, M. R. Convery, J. Dorfan, W. Dunwoodie, M. Ebert, R. C. Field, B. G. Fulsom, M. T. Graham, C. Hast, W. R. Innes, P. Kim, D. W.G.S. Leith, S. Luitz, D. B. Macfarlane, D. R. Muller, H. Neal, B. N. Ratcliff, A. Roodman, M. K. Sullivan, J. Va'Vra, W. J. Wisniewski, M. V. Purohit, J. R. Wilson, A. Randle-Conde, S. J. Sekula, M. Bellis, P. R. Burchat, E. M.T. Puccio, M. S. Alam, J. A. Ernst, R. Gorodeisky, N. Guttman, D. R. Peimer, A. Soffer, S. M. Spanier, J. L. Ritchie, R. F. Schwitters, J. M. Izen, X. C. Lou, F. Bianchi, F. De Mori, A. Filippi, D. Gamba, L. Lanceri, L. Vitale, F. Martinez-Vidal, A. Oyanguren, J. Albert, A. Beaulieu, F. U. Bernlochner, G. J. King, R. Kowalewski, T. Lueck, I. M. Nugent, J. M. Roney, R. J. Sobie, N. Tasneem, T. J. Gershon, P. F. Harrison, T. E. Latham, R. Prepost, S. L. Wu

Université Savoie Mont Blanc
University of Barcelona
Università degli studi di Bari Aldo Moro
University of Bergen
Ernest Orlando Lawrence Berkeley National Laboratory
Ruhr-University Bochum
Institute of Particle Physics
University of British Columbia
Budker Institute of Nuclear Physics of the Siberian Branch of the RAS
Novosibirsk State University
Novosibirsk State Technical University
Long Beach VA and University of California
University of California, Riverside
University of California at Santa Cruz
California Institute of Technology
University of Cincinnati
Wuhan University
University of Colorado Boulder
Sezione INFN di Ferrara
University of Ferrara
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University of Bologna
Humboldt-Universität zu Berlin
Department of Biosciences and Bioengineering
University of Iowa
Iowa State University
Jazan University
Johns Hopkins University
Laboratoire de l'Accélérateur Linéaire
Lawrence Livermore National Laboratory
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Queen Mary University of London
Royal Holloway University of London
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University of Huddersfield
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Massachusetts Institute of Technology
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Universite de Montreal
University of Naples Federico II
Science Park 105
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Universités Paris VI and VII
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Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
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Dipartimento di Scienze Biomediche
Scuola Normale Superiore di Pisa
Princeton University
Sezione di Roma
Dipartimento di Fisica
Universität Rostock
CCLRC Rutherford Appleton Laboratory
CEA/UVSQ/CNRS
Stanford Linear Accelerator Center
University of South Carolina
Southern Methodist University
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State University of New York Albany
Tel Aviv University
University of Tennessee
The University of Texas at Austin
University of Texas
INFN Sezione di Torino
University of Turin
University of Trieste
University of Valencia
University of Victoria
University of Warwick
University of Wisconsin-Madison

Research output: Contribution to journal › Article › peer-review

52 Citations (Scopus)

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.

Original language	English
Article number	092009
Journal	Physical Review D
Volume	96
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevD.96.092009
Publication status	Published - 29 Nov 2017

Access to Document

10.1103/PhysRevD.96.092009

Cite this

Lees, J. P., Poireau, V., Tisserand, V., Grauges, E., Palano, A., Eigen, G., Brown, D. N., Kolomensky, Y. 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., ... Wu, S. L. (2017). Measurement of the e+e-→π+π-π0π0 cross section using initial-state radiation at BABAR. Physical Review D, 96(9), Article 092009. https://doi.org/10.1103/PhysRevD.96.092009

@article{f7a3ad7704e9476cbbb819648b0f2b2c,

title = "Measurement of the e+e-→π+π-π0π0 cross section using initial-state radiation at BABAR",

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){\texttimes}10-10 in the energy range 0.85 GeV",

author = "Lees, \{J. P.\} and V. Poireau and V. Tisserand and E. Grauges and A. Palano and G. Eigen and Brown, \{D. N.\} and Kolomensky, \{Yu G.\} and M. Fritsch and H. Koch and T. Schroeder and C. Hearty and Mattison, \{T. S.\} and McKenna, \{J. A.\} and So, \{R. Y.\} and Blinov, \{V. E.\} and Buzykaev, \{A. R.\} and Druzhinin, \{V. P.\} and Golubev, \{V. B.\} and Kravchenko, \{E. A.\} and Onuchin, \{A. P.\} and Serednyakov, \{S. I.\} and Skovpen, \{Yu I.\} and Solodov, \{E. P.\} and Todyshev, \{K. Yu\} and Lankford, \{A. J.\} and Gary, \{J. W.\} and O. Long and Eisner, \{A. M.\} and Lockman, \{W. S.\} and \{Panduro Vazquez\}, W. and Chao, \{D. S.\} and Cheng, \{C. H.\} and B. Echenard and Flood, \{K. T.\} and Hitlin, \{D. G.\} and J. Kim and Miyashita, \{T. S.\} and P. Ongmongkolkul and Porter, \{F. C.\} and M. R{\"o}hrken and Z. Huard and Meadows, \{B. T.\} and Pushpawela, \{B. G.\} and Sokoloff, \{M. D.\} and L. Sun and Smith, \{J. G.\} and Wagner, \{S. R.\} and D. Bernard and M. Verderi and D. Bettoni and C. Bozzi and R. Calabrese and G. Cibinetto and E. Fioravanti and I. Garzia and E. Luppi and V. Santoro and A. Calcaterra and \{De Sangro\}, R. and G. Finocchiaro and S. Martellotti and P. Patteri and Peruzzi, \{I. M.\} and M. Piccolo and M. Rotondo and A. Zallo and S. Passaggio and C. Patrignani and Lacker, \{H. M.\} and B. Bhuyan and U. Mallik and C. Chen and J. Cochran and S. Prell and H. Ahmed and Gritsan, \{A. V.\} and N. Arnaud and M. Davier and \{Le Diberder\}, F. and Lutz, \{A. M.\} and G. Wormser and Lange, \{D. J.\} and Wright, \{D. M.\} and Coleman, \{J. P.\} and E. Gabathuler and Hutchcroft, \{D. E.\} and Payne, \{D. J.\} and C. Touramanis and Bevan, \{A. J.\} and \{Di Lodovico\}, F. and R. Sacco and G. Cowan and Sw Banerjee and Brown, \{D. N.\} and Davis, \{C. L.\} and Denig, \{A. G.\} and W. Gradl and K. Griessinger and A. Hafner and Schubert, \{K. R.\} and Barlow, \{R. J.\} and Lafferty, \{G. D.\} and R. Cenci and A. Jawahery and Roberts, \{D. A.\} and R. Cowan and Robertson, \{S. H.\} and B. Dey and N. Neri and F. Palombo and R. Cheaib and L. Cremaldi and R. Godang and Summers, \{D. J.\} and P. Taras and \{De Nardo\}, G. and C. Sciacca and G. Raven and Jessop, \{C. P.\} and Losecco, \{J. M.\} and K. Honscheid and R. Kass and A. Gaz and M. Margoni and M. Posocco and G. Simi and F. Simonetto and R. Stroili and S. Akar and E. Ben-Haim and M. Bomben and Bonneaud, \{G. R.\} and G. Calderini and J. Chauveau and G. Marchiori and J. Ocariz and M. Biasini and E. Manoni and A. Rossi and G. Batignani and S. Bettarini and M. Carpinelli and G. Casarosa and M. Chrzaszcz and F. Forti and Giorgi, \{M. A.\} and A. Lusiani and B. Oberhof and E. Paoloni and M. Rama and G. Rizzo and Walsh, \{J. J.\} and Smith, \{A. J.S.\} and F. Anulli and R. Faccini and F. Ferrarotto and F. Ferroni and A. Pilloni and G. Piredda and C. B{\"u}nger and S. Dittrich and O. Gr{\"u}nberg and M. He{\ss} and T. Leddig and C. Vo{\ss} and R. Waldi and T. Adye and Wilson, \{F. F.\} and S. Emery and G. Vasseur and D. Aston and C. Cartaro and Convery, \{M. R.\} and J. Dorfan and W. Dunwoodie and M. Ebert and Field, \{R. C.\} and Fulsom, \{B. G.\} and Graham, \{M. T.\} and C. Hast and Innes, \{W. R.\} and P. Kim and Leith, \{D. W.G.S.\} and S. Luitz and Macfarlane, \{D. B.\} and Muller, \{D. R.\} and H. Neal and Ratcliff, \{B. N.\} and A. Roodman and Sullivan, \{M. K.\} and J. Va'Vra and Wisniewski, \{W. J.\} and Purohit, \{M. V.\} and Wilson, \{J. R.\} and A. Randle-Conde and Sekula, \{S. J.\} and M. Bellis and Burchat, \{P. R.\} and Puccio, \{E. M.T.\} and Alam, \{M. S.\} and Ernst, \{J. A.\} and R. Gorodeisky and N. Guttman and Peimer, \{D. R.\} and A. Soffer and Spanier, \{S. M.\} and Ritchie, \{J. L.\} and Schwitters, \{R. F.\} and Izen, \{J. M.\} and Lou, \{X. C.\} and F. Bianchi and \{De Mori\}, F. and A. Filippi and D. Gamba and L. Lanceri and L. Vitale and F. Martinez-Vidal and A. Oyanguren and J. Albert and A. Beaulieu and Bernlochner, \{F. U.\} and King, \{G. J.\} and R. Kowalewski and T. Lueck and Nugent, \{I. M.\} and Roney, \{J. M.\} and Sobie, \{R. J.\} and N. Tasneem and Gershon, \{T. J.\} and Harrison, \{P. F.\} and Latham, \{T. E.\} and R. Prepost and Wu, \{S. L.\}",

note = "Publisher Copyright: {\textcopyright} 2017 American Physical Society.",

year = "2017",

month = nov,

day = "29",

doi = "10.1103/PhysRevD.96.092009",

language = "English",

volume = "96",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "American Physical Society",

number = "9",

}

Lees, JP, Poireau, V, Tisserand, V, Grauges, E, Palano, A, Eigen, G, Brown, DN, Kolomensky, YG, Fritsch, M, Koch, H, Schroeder, T, Hearty, C, Mattison, TS, McKenna, JA, So, RY, Blinov, VE, Buzykaev, AR, Druzhinin, VP, Golubev, VB, Kravchenko, EA, Onuchin, AP, Serednyakov, SI, Skovpen, YI, Solodov, EP, Todyshev, KY, Lankford, AJ, Gary, JW, Long, O, Eisner, AM, Lockman, WS, Panduro Vazquez, W, Chao, DS, Cheng, CH, Echenard, B, Flood, KT, Hitlin, DG, Kim, J, Miyashita, TS, Ongmongkolkul, P, Porter, FC, Röhrken, M, Huard, Z, Meadows, BT, Pushpawela, BG, Sokoloff, MD, Sun, L, Smith, JG, Wagner, SR, 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, IM, Piccolo, M, Rotondo, M, Zallo, A, Passaggio, S, Patrignani, C, Lacker, HM, Bhuyan, B, Mallik, U, Chen, C, Cochran, J, Prell, S, Ahmed, H, Gritsan, AV, Arnaud, N, Davier, M, Le Diberder, F, Lutz, AM, Wormser, G, Lange, DJ, Wright, DM, Coleman, JP, Gabathuler, E, Hutchcroft, DE, Payne, DJ, Touramanis, C, Bevan, AJ, Di Lodovico, F, Sacco, R, Cowan, G, Banerjee, S, Brown, DN, Davis, CL, Denig, AG, Gradl, W, Griessinger, K, Hafner, A, Schubert, KR, Barlow, RJ, Lafferty, GD, Cenci, R, Jawahery, A, Roberts, DA, Cowan, R, Robertson, SH, Dey, B, Neri, N, Palombo, F, Cheaib, R, Cremaldi, L, Godang, R, Summers, DJ, Taras, P, De Nardo, G, Sciacca, C, Raven, G, Jessop, CP, Losecco, JM, Honscheid, K, Kass, R, Gaz, A, Margoni, M, Posocco, M, Simi, G, Simonetto, F, Stroili, R, Akar, S, Ben-Haim, E, Bomben, M, Bonneaud, GR, Calderini, G, Chauveau, J, Marchiori, G, Ocariz, J, Biasini, M, Manoni, E, Rossi, A, Batignani, G, Bettarini, S, Carpinelli, M, Casarosa, G, Chrzaszcz, M, Forti, F, Giorgi, MA, Lusiani, A, Oberhof, B, Paoloni, E, Rama, M, Rizzo, G, Walsh, JJ, Smith, AJS, Anulli, F, Faccini, R, Ferrarotto, F, Ferroni, F, Pilloni, A, Piredda, G, Bünger, C, Dittrich, S, Grünberg, O, Heß, M, Leddig, T, Voß, C, Waldi, R, Adye, T, Wilson, FF, Emery, S, Vasseur, G, Aston, D, Cartaro, C, Convery, MR, Dorfan, J, Dunwoodie, W, Ebert, M, Field, RC, Fulsom, BG, Graham, MT, Hast, C, Innes, WR, Kim, P, Leith, DWGS, Luitz, S, Macfarlane, DB, Muller, DR, Neal, H, Ratcliff, BN, Roodman, A, Sullivan, MK, Va'Vra, J, Wisniewski, WJ, Purohit, MV, Wilson, JR, Randle-Conde, A, Sekula, SJ, Bellis, M, Burchat, PR, Puccio, EMT, Alam, MS, Ernst, JA, Gorodeisky, R, Guttman, N, Peimer, DR, Soffer, A, Spanier, SM, Ritchie, JL, Schwitters, RF, Izen, JM, Lou, XC, Bianchi, F, De Mori, F, Filippi, A, Gamba, D, Lanceri, L, Vitale, L, Martinez-Vidal, F, Oyanguren, A, Albert, J, Beaulieu, A, Bernlochner, FU, King, GJ, Kowalewski, R, Lueck, T, Nugent, IM, Roney, JM, Sobie, RJ, Tasneem, N, Gershon, TJ, Harrison, PF, Latham, TE, Prepost, R & Wu, SL 2017, 'Measurement of the e+e-→π+π-π0π0 cross section using initial-state radiation at BABAR', Physical Review D, vol. 96, no. 9, 092009. https://doi.org/10.1103/PhysRevD.96.092009

TY - JOUR

T1 - Measurement of the e+e-→π+π-π0π0 cross section using initial-state radiation at BABAR

AU - Lees, J. P.

AU - Poireau, V.

AU - Tisserand, V.

AU - Grauges, E.

AU - Palano, A.

AU - Eigen, G.

AU - Brown, D. N.

AU - Kolomensky, Yu G.

AU - Fritsch, M.

AU - Koch, H.

AU - Schroeder, T.

AU - Hearty, C.

AU - Mattison, T. S.

AU - McKenna, J. A.

AU - So, R. Y.

AU - Blinov, V. E.

AU - Buzykaev, A. R.

AU - Druzhinin, V. P.

AU - Golubev, V. B.

AU - Kravchenko, E. A.

AU - Onuchin, A. P.

AU - Serednyakov, S. I.

AU - Skovpen, Yu I.

AU - Solodov, E. P.

AU - Todyshev, K. Yu

AU - Lankford, A. J.

AU - Gary, J. W.

AU - Long, O.

AU - Eisner, A. M.

AU - Lockman, W. S.

AU - Panduro Vazquez, W.

AU - Chao, D. S.

AU - Cheng, C. H.

AU - Echenard, B.

AU - Flood, K. T.

AU - Hitlin, D. G.

AU - Kim, J.

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AU - Wu, S. L.

PY - 2017/11/29

Y1 - 2017/11/29

N2 - 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

AB - 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

U2 - 10.1103/PhysRevD.96.092009

DO - 10.1103/PhysRevD.96.092009

M3 - Article

AN - SCOPUS:85037696241

SN - 2470-0010

VL - 96

JO - Physical Review D

JF - Physical Review D

IS - 9

M1 - 092009

ER -

Measurement of the e+e-→π+π-π0π0 cross section using initial-state radiation at BABAR

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