Results are presented from a search for large, extra spatial dimensions in events with either two isolated muons or two isolated electrons. The data are from proton-proton interactions at root s = 7 TeV collected with the CMS detector at the LHC. The size of the data sample corresponds to an integrated luminosity of approximately 2 fb(-1). The observed dimuon and dielectron mass spectra are found to be consistent with standard-model expectations. Depending on the number of extra dimensions, the 95% confidence level limits from the combined mu mu and ee channels range from M-s > 2.4 TeV to M-s > 3.8 TeV, where M-s characterizes the scale for the onset of quantum gravity. (C) 2012 CERN. Published by Elsevier B.V. All rights reserved.

Chatrchyan, S., Khachatryan, V., Sirunyan, A., Tumasyan, A., Adam, W., Bergauer, T., et al. (2012). Search for large extra dimensions in dimuon and dielectron events in pp collisions at root s=7 TeV. PHYSICS LETTERS. SECTION B, 711(1), 15-34 [10.1016/j.physletb.2012.03.029].

Search for large extra dimensions in dimuon and dielectron events in pp collisions at root s=7 TeV

BENAGLIA, ANDREA DAVIDE;DE GUIO, FEDERICO;DI MATTEO, LEONARDO;GHEZZI, ALESSIO;MARTELLI, ARABELLA;MASSIRONI, ANDREA;MORONI, LUIGI;PAGANONI, MARCO;RAGAZZI, STEFANO;TABARELLI DE FATIS, TOMMASO;Branca, A;Govoni, P;DINARDO, MAURO EMANUELE;
2012

Abstract

Results are presented from a search for large, extra spatial dimensions in events with either two isolated muons or two isolated electrons. The data are from proton-proton interactions at root s = 7 TeV collected with the CMS detector at the LHC. The size of the data sample corresponds to an integrated luminosity of approximately 2 fb(-1). The observed dimuon and dielectron mass spectra are found to be consistent with standard-model expectations. Depending on the number of extra dimensions, the 95% confidence level limits from the combined mu mu and ee channels range from M-s > 2.4 TeV to M-s > 3.8 TeV, where M-s characterizes the scale for the onset of quantum gravity. (C) 2012 CERN. Published by Elsevier B.V. All rights reserved.
Articolo in rivista - Articolo scientifico
high energy collider; LHC; CMS; physics beyond the Standard Model
English
2012
711
1
15
34
none
Chatrchyan, S., Khachatryan, V., Sirunyan, A., Tumasyan, A., Adam, W., Bergauer, T., et al. (2012). Search for large extra dimensions in dimuon and dielectron events in pp collisions at root s=7 TeV. PHYSICS LETTERS. SECTION B, 711(1), 15-34 [10.1016/j.physletb.2012.03.029].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/46572
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