Search for large extra dimensions in dielectron and diphoton production.

B Abbott,J P Negret,R J Madaras,R Gilmartin,R Piegaia,G Eppley,A V Kozelov,G Briskin,P Demine,D K Cho,H Weerts,M Fortner,V Sirotenko,K Streets,N Amos,A Leflat,G Ginther,M Sosebee,M Demarteau,L Groer,J Sculli,J M Kohli,C Miao,K C Frame,H T Diehl,J Snow,S N Gurzhiev,H E Fisk,J Warchol,A Jonckheere,A P Vorobiev,S Blessing,Y Kulik,B Gibbard,D Chakraborty,H Jöstlein,P W Balm,A Patwa,N Sotnikova,P Yamin,S Negroni,N Oshima,J Ellison,T Heuring,N W Reay,C Klopfenstein,D Denisov,D Karmanov,M Buehler,K Gounder,S Chopra,K M Chan,D Buchholz,E G Zverev,V Oguri,M Bhattacharjee,E Popkov,T Fahland,S Reucroft,J Solomon,J Womersley,P Z Quintas,K M Mauritz,U Bassler,K Del Signore,M Paterno,H A Neal,B Gómez,F Canelli,J Bantly,W E Cooper,D Coppage,S Doulas,P Padley,O V Eroshin,A Zylberstejn,B Connolly,B Hoeneisen,J A Wightman,J Rha,S Duensing,F Stichelbaut,P Gartung,H Haggerty,K W Merritt,E Kajfasz,D A Wijngaarden,C Lundstedt,M Zanabria,N Graf,L Oesch,M R Krishnaswamy,L Coney,H Da Motta,A N Galyaev,H Schellman,R K Shivpuri,Z Casilum,R Van Kooten,N Parua,K Yip,R Engelmann,B Baldin,M Jones,B G Pope,J Kotcher,Y Fisyak,V Zutshi,R Jesik,K Genser,R E Hall,D Fein,D Edmunds,S Banerjee,A P Heinson,H L Melanson,R D Schamberger,B Knuteson,V Vaniev,B May,A Boehnlein,M Abolins,V A Bezzubov,J H Christenson,F Borcherding,E W Anderson,M Chung,T Marshall,G Di Loreto,L Babukhadia,P Grudberg,A V Kostritskiy,R Partridge,N R Stanton,E Flattum,S Willis,A Besson,R J Genik,P Van Gemmeren,V Manankov,R A Sidwell,H C Shankar,J F Bartlett,H D Wahl,M Strovink,N K Mondal,D Shpakov,S P Denisov,M Diesburg,B Pawlik,S Fuess,P D Grannis,J L González Solís,D Hedin,F Nang,T G Trippe,L Stutte,L Lueking,P Rubinov,M Roco,E A Kozlovsky,O Peters,A Bross,L T Goss,Y Ducros,V S Narasimham,M Merkin,N I Bojko,R Yamada,T Rockwell,S Youssef,H Piekarz,S Tentindo-Repond,Y Huang,A S Ito,J S Hoftun,A Baden,A Para,S A Jerger,P M Tuts,J M Hauptman,P I Goncharov,T Yasuda,H E Montgomery,D Mihalcea,P Hanlet,D Toback,H Greenlee,A S Turcot,P A Rapidis,D A Stoyanova,Q Z Li,A Bean,V Gavrilov,R Ruchti,E Nagy,H Miettinen,W Carvalho,J Linnemann,R Brock,K De,O I Dahl,Z H Zhu,S B Beri,P Slattery,S Hagopian,P C Bhat,J Qian,H S Mao,A Lucotte,F Fleuret,S Kuleshov,R W Moore,R W Stephens,H Evans,E Barberis,Z Zhou,R Breedon,N Parashar,G R Snow,C E Gerber,H Wang,S M Tripathi,R Raja,S Choi,G Blazey,S Desai,V D Elvira,P Baringer,N Varelas,E Smith,A Sznajder,Z Yu,G Gómez,Y Gershtein,M L Stevenson,M M Baarmand,John Mcdonald ,D P Stoker ,В С Буртовой ,C P Hays ,K Soustružnı́k ,S Krzywdziński ,D Wood ,Daniel John Karmgard ,V Sorı́n ,Z M Wang ,P Gutiérrez ,A I Mincer ,T R Mcmahon ,D Ziemińska ,H A Gordon ,E J Gallas ,V Šimák ,S Dugad ,Pan Lu ,S Linn ,T Adams ,M Martin ,S Fehér ,D R Claes ,M Zieliński ,D Ćutts ,R L Mccarthy ,J Hobbs ,R Martin ,H Prosper ,M A.c Cummings ,A G Goussiou ,M R Adams ,A Kotwal ,A K.a Maciel ,Gerard J Graham ,M H.g Souza ,L Dudko ,H Castilla‐Valdez ,В Н Евдокимов ,I A Bertram ,Michael Peters ,A Juste Rozas ,V Babintsev ,M A Shupe ,Hua Zheng ,G Gutiérrez ,A Volkov ,J P Rutherfoord ,C Hébert ,R Démina ,В Е Кузнецов ,S Wimpenny ,A Ziemiński ,J V.d Wirjawan ,J G.r Lima ,S Grinstein,R Snihur,X C Meng,G Bernardi,M Rijssenbeek,M Begel,D Lincoln,K Davis,L Sawyer,S Protopopescu,J Estrada,A Belyaev,J M Butler,W Ko,N Sen,V Abramov,K S Hahn,S Eno,H Singh,A Schwartzman,G Steinbrück,R Kehoe,U Heintz,R Lipton,G Landsberg,V Hagopian,J A Green,B Olivier,E Shabalina,T Ferbel,A White,A Gupta,R P Smith,P Draper,A Santoro,K Johns,W Taylor,V Buescher,D Casey,M Kubantsev,F Lehner,D Norman,N J Hadley,G Watts,S Kahn,A A Mayorov,S Hou,D Whiteson,E Ramberg,V Bhatnagar,S Grünendahl,P Ermolov,G A Alves,J Cochran,N Mokhov,M Strauss,S Kunori,J Perkins,M Wayne,A Dyshkant,J Thompson,J B Singh,C S Mishra,G A Davis,G Brooijmans,R Hirosky,S Snyder,J Krane,B Klima,J Li,J T White,A Brandt,M Narain,M Johnson,S Rajagopalan,J Yu,S Hansen,V Stolin,S K Kim,B S Acharya,S V Chekulaev,A R Clark,M Mostafa

doi:10.1103/physrevlett.86.1156

Abstract

We report a search for effects of large extra spatial dimensions in pp collisions at a center-of-mass energy of 1.8 TeV with the D0 detector, using events containing a pair of electrons or photons. The data are in good agreement with the expected background and do not exhibit evidence for large extra dimensions. We set the most restrictive lower limits to date, at the 95% C.L. on the effective Planck scale between 1.0 and 1.4 TeV for several formalisms and numbers of extra dimensions.

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