Recent results on e⁺e⁻ → hadrons cross sections from SND and CMD-3 detectors at VEPP-2000 collider

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• 作者：T.V. Dimova^a ; ^b ; M.N. Achasov^a ; ^b ; R.R. Akmetshin^a ; ^b ; A.V. Anisenkov^a ; ^b ; V.M. Aulchenko^a ; ^b ; V.Sh. Banzarov^a ; A.Yu. Barnyakov^a ; ^b ; N.S. Bashtovoy^a ; K.I. Beloborodov^a ; ^b ; A.V. Berdyugin^a ; ^b ; D.E. Berkaev^a ; ^b ; A.G. Bogdanchikov^a ; A.E. Bondar^a ; ^b ; A.A. Botov^a ; A.V. Bragin^a ; V.P. Druzhinin^a ; ^b ; S.I. Eidelman^a ; ^b ; D.A. Epifanov^a ; ^c ; L.B. Epshteyn^a ; ^d ; A.L. Erofeev^a ; G.V. Fedotovich^a ; ^b ; S.E. Gayazov^a ; ^b ; V.B. Golubev^a ; ^b ; A.A. Grebenuk^a ; ^b ; D.N. Grigoriev^a ; ^b ; ^d ; E.M. Gromov^a ; F.V. Ignatov^a ; ^b ; L.V. Kardapoltsev^a ; ^b ; S.V. Karpov^a ; A.S. Kasaev^a ; V.F. Kazanin^a ; ^b ; A.G. Kharlamov^a ; ^b ; B.I. Khazin^a ; ^b ; A.N. Kirpotin^a ; A.A. Korol^a ; ^b ; S.V. Koshuba^a ; ^b ; O.A. Kovalenko^a ; ^b ; D.P. Kovrizhin^a ; ^b ; A.N. Kozyrev^a ; E.A. Kozyrev^a ; ^b ; P.P. Krokovny^a ; ^b ; A.S. Kupich^a ; ^b ; A.E. Kuzmenko^a ; ^d ; A.S. Kuzmin^a ; ^b ; I.B. Logashenko^a ; ^b ; P.A. Lukin^a ; ^b ; K.A. Martin^a ; ^b ; K.Yu. Mikhailov^a ; ^b ; A.E. Obrazovsky^a ; V.S. Okhapkin^a
• 刊名：Nuclear and Particle Physics Proceedings
• 出版年：2016
• 出版时间：April-June 2016
• 年：2016
• 卷：273-275
• 期：Complete
• 页码：1991-1996
• 全文大小：1143 K

文摘

Recent results on various cross sections of g" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S2405601415008111&_mathId=si1.gif&_user=111111111&_pii=S2405601415008111&_rdoc=1&_issn=24056014&md5=039ab9fcc36fdab1bd4c9f5dba11ad66" title="Click to view the MathML source">e⁺e⁻→hadronsgif" overflow="scroll">e+e−→hadrons obtained with the SND and CMD3 detectors at the VEPP-2000 collider in the energy range up to 2 GeV are presented. The final states studied include g" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S2405601415008111&_mathId=si2.gif&_user=111111111&_pii=S2405601415008111&_rdoc=1&_issn=24056014&md5=938379bb3a0b0605c98452a1afd03a40" title="Click to view the MathML source">e⁺e⁻→π⁺π⁻gif" overflow="scroll">e+e−→π+π−, g" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S2405601415008111&_mathId=si3.gif&_user=111111111&_pii=S2405601415008111&_rdoc=1&_issn=24056014&md5=628fcd84e9e6e4b88876553148aced32" title="Click to view the MathML source">K⁺K⁻gif" overflow="scroll">K+K−, g" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S2405601415008111&_mathId=si4.gif&_user=111111111&_pii=S2405601415008111&_rdoc=1&_issn=24056014&md5=2405c9057089ad34ce9166a899c9a3f1" title="Click to view the MathML source">π⁺π⁻π⁰gif" overflow="scroll">π+π−π0, g" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S2405601415008111&_mathId=si5.gif&_user=111111111&_pii=S2405601415008111&_rdoc=1&_issn=24056014&md5=f4c0f44a9e85e80856ac18920b20af2b" title="Click to view the MathML source">π⁺π⁻π⁰π⁰gif" overflow="scroll">π+π−π0π0, g" data-mathURL="/science?_ob=MathURL&_method=retrieve&_eid=1-s2.0-S2405601415008111&_mathId=si6.gif&_user=111111111&_pii=S2405601415008111&_rdoc=1&_issn=24056014&md5=10cd380ef84ba559332b7e83cb55420d" title="Click to view the MathML source">ηπ⁺π⁻gif" overflow="scroll">ηπ+π−, ωη, ηγ and others. The measured cross sections are important since they contribute to the total hadronic cross section, muon g-2 and parameters of excited vector mesons. The nucleon-antinucleon production at threshold was also studied.