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

TheL3Collaboration:

2017252523182929

P.Achard,O.Adriani,M.Aguilar-Benitez,J.Alcaraz,G.Alemanni,J.Allaby,A.Aloisio,M.G.Alviggi,

496,3482839392526

H.Anderhub,V.P.Andreev,F.Anselmo,A.Are ev,T.Azemoon,T.Aziz,P.Bagnaia,A.Bajo,G.Baksay,

2629449,4718238

L.Baksay,S.V.Baldew,S.Banerjee,Sw.Banerjee,A.Barczyk,R.Barill`ere,P.Bartalini,M.Basile,

46332317134917325

N.Batalova,R.Battiston,A.Bay,F.Becattini,U.Becker,F.Behner,L.Bellucci,R.Berbeco,J.Berdugo,

133349332949435

P.Berges,B.Bertucci,B.L.Betev,M.Biasini,M.Biglietti,A.Biland,J.J.Blaising,S.C.Blyth,

21123917492020

G.J.Bobbink,A.B¨ohm,L.Boldizsar,B.Borgia,S.Bottai,D.Bourilkov,M.Bourquin,S.Braccini,

41413331313829

J.G.Branson,F.Brochu,J.D.Burger,W.J.Burger,X.D.Cai,M.Capell,G.CaraRomeo,G.Carlino,

1725393633252044

A.Cartacci,J.Casaus,F.Cavallari,N.Cavallo,C.Cecchi,M.Cerrada,M.Chamizo,Y.H.Chang,

24447722729408

M.Chemarin,A.Chen,G.Chen,G.M.Chen,H.F.Chen,H.S.Chen,G.Chiefari,L.Cifarelli,F.Cindolo,

133842539253329

I.Clare,R.Clare,G.Coignet,N.Colino,S.Costantini,B.delaCruz,S.Cucciarelli,R.deAsmundis,

201242647292037

P.D´eglon,J.Debreczeni,A.Degr´e,K.Dehmelt,K.Deiters,D.dellaVolpe,E.Delmeire,P.Denes,

394939239492910,

F.DeNotaristefani,A.DeSalvo,M.Diemoz,M.Dierckxsens,C.Dionisi,M.Dittmar,A.Doria,M.T.Dova,

4120181243513

D.Duchesneau,M.Duda,B.Echenard,A.Eline,A.ElHage,H.ElMamouni,A.Engler,F.J.Eppling,

20253932243449351

P.Extermann,M.A.Falagan,S.Falciano,A.Favara,J.Fay,O.Fedin,M.Felcini,T.Ferguson,H.Fesefeldt,

3320311337411349

E.Fiandrini,J.H.Field,F.Filthaut,P.H.Fisher,W.Fisher,I.Fisk,G.Forconi,K.Freudenreich,

2728,1392532393922

C.Furetta,Yu.Galaktionov,S.N.Ganguli,P.Garcia-Abia,M.Gataullin,S.Gentile,S.Giagu,Z.F.Gong,

24491640379465

G.Grenier,O.Grimm,M.W.Gruenewald,M.Guida,V.K.Gupta,A.Gurtu,L.J.Gutay,D.Haas,

81183549264944

D.Hatzifotiadou,T.Hebbeker,A.Herv´e,J.Hirschfelder,H.Hofer,M.Hohlmann,G.Holzner,S.R.Hou,

7143225142043

B.N.Jin,P.Jindal,L.W.Jones,P.deJong,I.Josa-Mutuberr´ a,M.Kaur,M.N.Kienzle-Focacci,J.K.Kim,

183113,28314613,284935

J.Kirkby,W.Kittel,A.Klimentov,A.C.K¨onig,M.Kopal,V.Koutsenko,M.Kr¨aber,R.W.Kraemer,

4813252417181324

A.Kr¨uger,A.Kunin,drondeGuevara,ktineh,ndi,M.Lebeau,A.Lebedev,P.Lebrun,

4918491848273422

P.Lecomte,P.Lecoq,P.LeCoultre,J.M.LeGo ,R.Leiste,M.Levtchenko,P.Levtchenko,C.Li,

48444422974839739

S.Likhoded,C.H.Lin,W.T.Lin,F.L.Linde,L.Lista,Z.A.Liu,W.Lohmann,E.Longo,Y.S.Lu,C.Luci,

3949221828253724

L.Luminari,W.Lustermann,W.G.Ma,L.Malgeri,A.Malinin,C.Ma na,J.Mans,J.P.Martin,

399618,2929173111

F.Marzano,K.Mazumdar,R.R.McNeil,S.Mele,L.Merola,M.Meschini,W.J.Metzger,A.Mihul,

183919242413915

H.Milcent,G.Mirabelli,J.Mnich,G.B.Mohanty,G.S.Muanza,A.J.M.Muijs,B.Musicar,M.Musy,S.Nagy,

2029493239314849

S.Natale,M.Napolitano,F.Nessi-Tedaldi,H.Newman,A.Nisati,T.Novak,H.Nowak,R.O erzynski,

3946252939172910

antini,I.Pal,C.Palomares,P.Paolucci,R.Paramatti,G.Passaleva,S.Patricelli,T.Paul,

3313493927429833

M.Pauluzzi,C.Paus,F.Pauss,M.Pedace,S.Pensotti,D.Perret-Gallix,D.Piccolo,F.Pierella,M.Pioppi,

3727282017183449

P.A.Pirou´e,E.Pistolesi,V.Plyaskin,M.Pohl,V.Pojidaev,J.Pothier,D.Proko ev,G.Rahal-Callot,

9159492717483049

M.A.Rahaman,P.Raics,N.Raja,R.Ramelli,P.G.Rancoita,R.Ranieri,A.Raspereza,P.Razis,D.Ren,

39104833254811

M.Rescigno,S.Reucroft,S.Riemann,K.Riles,B.P.Roe,L.Romero,A.Rosca,C.Rosemann,C.Rosenbleck,

4118174949639

S.Rosier-Lees,S.Roth,J.A.Rubio,G.Ruggiero,H.Rykaczewski,A.Sakharov,S.Saremi,S.Sarkar,

1825183421312933

J.Salicio,E.Sanchez,C.Sch¨afer,V.Schegelsky,H.Schopper,D.J.Schotanus,C.Sciacca,L.Servoli,

3242132832432417

S.Shevchenko,N.Shivarov,V.Shoutko,E.Shumilov,A.Shvorob,D.Son,C.Souga,P.Spillantini,

13374220942221

M.Steuer,D.P.Stickland,B.Stoyanov,A.Straessner,K.Sudhakar,G.Sultanov,L.Z.Sun,S.Sushkov,

491026,¶7155102424

H.Suter,J.D.Swain,Z.Szillasi,X.W.Tang,P.Tarjan,L.Tauscher,L.Taylor,B.Tellili,D.Teyssier,

31131391237749

C.Timmermans,SamuelC.C.Ting,S.M.Ting,S.C.Tonwar,J.T´oth,C.Tully,K.L.Tung,J.Ulbricht,

3931462612284938

E.Valente,R.T.VandeWalle,R.Vasquez,V.Veszpremi,G.Vesztergombi,I.Vetlitsky,G.Viertel,S.Villa,

4526354835,28345

M.Vivargent,S.Vlachos,I.Vodopianov,H.Vogel,H.Vogt,I.Vorobiev,A.A.Vorobyov,M.Wadhwa,

222218373222322

Q.Wang31X.L.Wang,Z.M.Wang,M.Weber,S.Wynho ,L.Xia,Z.Z.Xu,J.Yamamoto,B.Z.Yang,

7374534342222732

C.G.Yang,H.J.Yang,M.Yang,S.C.Yeh,An.Zalite,Yu.Zalite,Z.P.Zhang,J.Zhao,G.Y.Zhu,R.Y.Zhu,

78,18,19491

H.L.Zhuang,A.Zichichi,B.Zimmermann,M.Z¨oller.