Measurement of the Cross Section for Open-Beauty Production(7)
时间:2025-02-25
时间:2025-02-25
The cross section for open-beauty production in photon-photon collisions is measured using the whole high-energy and high-luminosity data sample collected by the L3 detector at LEP. This corresponds to 627/pb of integrated luminosity for electron-positron
[13]G.A.SchulerandT.Sj¨ostrand,Z.Phys.C68(1995)607;
G.A.SchulerandT.Sj¨ostrand,Phys.Lett.B376(1996)193.[14]V.M.Budnevetal.,Phys.Rep.15(1975)181.[15]J.A.M.Vermaseren,Nucl.Phys.B229(1983)347.
[16]KORALZversion4.02isused;S.Jadach,B.F.L.WardandZ.W¸as,m.79(1994)503.[17]KORALWversion1.33isused;
S.Jadachetal.,m.94(1996)216;S.Jadachetal.,Phys.Lett.B372(1996)289.
[18]GEANTversion3.15isused;
R.Brunetal.,preprintCERNDD/EE/84-1(1984),revised1987.[19]H.Fesefeldt,RWTHAachenReportPITHA85/2(1985).[20]JADECollab.,W.Barteletal.,Z.Phys.C33(1986)23;
JADECollab.,S.Bethkeetal.,Phys.Lett.B213(1988)235.[21]CASCADEversion1.1isused;
H.Jung,m.143(2002)100;
H.JungandG.P.Salam,Eur.Phys.J.C19(2002)351.
[22]M.Ciafaloni,Nucl.Phys.B296(1988)49;
S.Catani,F.FioraniandG.Marchesini,Nucl.Phys.B336(1990)18.[23]H.Jung,Phys.Rev.D65(2002)034015.[24]H.JungandM.Hanson,privatecommunication.[25]S.Eidelmanetal.,Phys.Lett.B592(2004)1.
[26]M.Gl¨uck,E.ReyaandA.Vogt,Phys.Rev.D46(1992)1973.[27]M.DreesandK.Grassie,Z.Phys.C28(1985)451.[28]L3Collab.,M.Acciarrietal.,Phys.Lett.B453(1999)83;
L3Collab.,M.Acciarrietal.,Phys.Lett.B514(2001)19;L3Collab.,M.Acciarrietal.,Phys.Lett.B536(2002)217
下一篇:汽车租赁调研