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Search for quark contact interactions and extra spatial dimensions using dijet angular distributions in proton-proton collisions at √s = 8 TeV

Author
Albajar Molera, María Carmen; de Trocóniz, J. F.; Morán Dermot, Anthony; Missiroli, Marino
Entity
UAM. Departamento de Física Teórica
Publisher
Elsevier B.V.
Date
2015-04-24
Citation
10.1016/j.physletb.2015.04.042
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 746 (2015): 79-99
 
 
 
ISSN
0370-2693 (Print); 1873-2445 (Online)
DOI
10.1016/j.physletb.2015.04.042
Funded by
We acknowledge the enduring support for the construction and operation of the LHC and the CMS detector provided by the following funding agencies: BMWFW and FWF (Austria); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil); MES (Bulgaria); CERN; CAS, MoST, and NSFC (China); COLCIENCIAS (Colombia); MSES and CSF (Croatia); RPF (Cyprus); MoER, ERC IUT and ERDF (Estonia); Academy of Finland, MEC, and HIP (Finland); CEA and CNRS/IN2P3 (France); BMBF, DFG, and HGF (Germany); GSRT (Greece); OTKA and NIH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); MSIP and NRF (Republic of Korea); LAS (Lithuania); MOE and UM (Malaysia); CINVESTAV, CONACYT, SEP, and UASLPFAI (Mexico); MBIE (New Zealand); PAEC (Pakistan); MSHE and NSC (Poland); FCT (Portugal); JINR (Dubna); MON, RosAtom, RAS and RFBR (Russia); MESTD (Serbia); SEIDI and CPAN (Spain); Swiss Funding Agencies (Switzerland); MST (Taipei); ThEPCenter, IPST, STAR and NSTDA (Thailand); TUBITAK and TAEK (Turkey); NASU and SFFR (Ukraine); STFC (United Kingdom); DOE and NSF (USA)
Editor's Version
http://dx.doi.org/10.1016/j.physletb.2015.04.042
Subjects
CMS; Contact interactions; Electroweak corrections; Extra dimensions; Physics; QCD; Física
URI
http://hdl.handle.net/10486/676658
Rights
© 2015 CERN for the benefit of the CMS Collaboration

Licencia Creative Commons
Esta obra está bajo una Licencia Creative Commons Atribución 4.0 Internacional.

Abstract

A search is presented for quark contact interactions and extra spatial dimensions in proton-proton collisions at √s=8 TeV using dijet angular distributions. The search is based on a data set corresponding to an integrated luminosity of 19.7 fb-1 collected by the CMS detector at the CERN LHC. Dijet angular distributions are found to be in agreement with the perturbative QCD predictions that include electroweak corrections. Limits on the contact interaction scale from a variety of models at next-to-leading order in QCD corrections are obtained. A benchmark model in which only left-handed quarks participate is excluded up to a scale of 9.0 (11.7) TeV for destructive (constructive) interference at 95% confidence level. Lower limits between 5.9 and 8.4 TeV on the scale of virtual graviton exchange are extracted for the Arkani-Hamed-Dimopoulos-Dvali model of extra spatial dimensions
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Google™ Scholar:Albajar Molera, María Carmen - de Trocóniz, J. F. - Morán Dermot, Anthony - Missiroli, Marino

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  • Producción científica en acceso abierto de la UAM [15090]

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