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Search for Randall-Sundrum gravitons in dilepton and diphoton final states |
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| Authors: | Abazov V M Abbott B Abolins M Acharya B S Adams M Adams T Agelou M Agram J-L Ahn S H Ahsan M Alexeev G D Alkhazov G Alton A Alverson G Alves G A Anastasoaie M Andeen T Anderson S Andrieu B Arnoud Y Askew A Asman B Assis Jesus A C S Atramentov O Autermann C Avila C Badaud F Baden A Baldin B Balm P W Banerjee S Barberis E Bargassa P Baringer P Barnes C Barreto J Bartlett J F Bassler U Bauer D Bean A Beauceron S Begel M Bellavance A Beri S B Bernardi G Bernhard R Bertram I Besançon M Beuselinck R Bezzubov V A Bhat P C Bhatnagar V Binder M Biscarat C Black K M Blackler I Blazey G Blekman F |
| Affiliation: | Joint Institute for Nuclear Research, Dubna, Russia. |
| Abstract: | We report the first direct search for the Kaluza-Klein (KK) modes of Randall-Sundrum gravitons using dielectron, dimuon, and diphoton events observed with the D0 detector operating at the Fermilab Tevatron pp(-) Collider at sqrt[s]=1.96 TeV. No evidence for resonant production of gravitons has been found in the data corresponding to an integrated luminosity of approximately equal to 260 pb(-1). Lower limits on the mass of the first KK mode at the 95% C.L. have been set between 250 and 785 GeV, depending on its coupling to standard model particles. |
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