A search for prompt lepton-jets in pp collisions at √s = 8 TeV with the ATLAS detector

The ATLAS Collaboration

doi:10.1007/JHEP02(2016)062

A search for prompt lepton-jets in pp collisions at √s = 8 TeV with the ATLAS detector

The ATLAS Collaboration

Research output: Contribution to journal › Article

Abstract

Abstract: A search is presented for a new, light boson with a mass of about 1 GeV and decaying promptly to jets of collimated electrons and/or muons (lepton-jets). The analysis is performed with 20.3 fb⁻¹ of data collected by the ATLAS detector at the Large Hadron Collider in proton-proton collisions at a centre-of-mass energy of 8 TeV. Events are required to contain at least two lepton-jets. This study finds no statistically significant deviation from predictions of the Standard Model and places 95% confidence-level upper limits on the contribution of new phenomena beyond the SM, incuding SUSY-portal and Higgs-portal models, on the number of events with lepton-jets.[Figure not available: see fulltext.]

Original language	English (US)
Article number	62
Pages (from-to)	1-51
Number of pages	51
Journal	Journal of High Energy Physics
Volume	2016
Issue number	2
DOIs	https://doi.org/10.1007/JHEP02(2016)062
State	Published - Feb 1 2016

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leptons

collisions

detectors

protons

center of mass

muons

confidence

bosons

deviation

predictions

electrons

energy

Keywords

Hadron-Hadron scattering

ASJC Scopus subject areas

Nuclear and High Energy Physics

Cite this

The ATLAS Collaboration (2016). A search for prompt lepton-jets in pp collisions at √s = 8 TeV with the ATLAS detector. Journal of High Energy Physics, 2016(2), 1-51. [62]. https://doi.org/10.1007/JHEP02(2016)062

A search for prompt lepton-jets in pp collisions at √s = 8 TeV with the ATLAS detector. / The ATLAS Collaboration.

In: Journal of High Energy Physics, Vol. 2016, No. 2, 62, 01.02.2016, p. 1-51.

Research output: Contribution to journal › Article

The ATLAS Collaboration 2016, 'A search for prompt lepton-jets in pp collisions at √s = 8 TeV with the ATLAS detector', Journal of High Energy Physics, vol. 2016, no. 2, 62, pp. 1-51. https://doi.org/10.1007/JHEP02(2016)062

The ATLAS Collaboration. A search for prompt lepton-jets in pp collisions at √s = 8 TeV with the ATLAS detector. Journal of High Energy Physics. 2016 Feb 1;2016(2):1-51. 62. https://doi.org/10.1007/JHEP02(2016)062

The ATLAS Collaboration. / A search for prompt lepton-jets in pp collisions at √s = 8 TeV with the ATLAS detector. In: Journal of High Energy Physics. 2016 ; Vol. 2016, No. 2. pp. 1-51.

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abstract = "Abstract: A search is presented for a new, light boson with a mass of about 1 GeV and decaying promptly to jets of collimated electrons and/or muons (lepton-jets). The analysis is performed with 20.3 fb−1 of data collected by the ATLAS detector at the Large Hadron Collider in proton-proton collisions at a centre-of-mass energy of 8 TeV. Events are required to contain at least two lepton-jets. This study finds no statistically significant deviation from predictions of the Standard Model and places 95{\%} confidence-level upper limits on the contribution of new phenomena beyond the SM, incuding SUSY-portal and Higgs-portal models, on the number of events with lepton-jets.[Figure not available: see fulltext.]",

keywords = "Hadron-Hadron scattering",

author = "{The ATLAS Collaboration} and G. Aad and B. Abbott and J. Abdallah and O. Abdinov and R. Aben and M. Abolins and AbouZeid, {O. S.} and H. Abramowicz and H. Abreu and R. Abreu and Y. Abulaiti and Acharya, {B. S.} and L. Adamczyk and Adams, {D. L.} and J. Adelman and S. Adomeit and T. Adye and Affolder, {A. A.} and T. Agatonovic-Jovin and J. Agricola and Aguilar-Saavedra, {J. A.} and Ahlen, {S. P.} and F. Ahmadov and G. Aielli and H. Akerstedt and {\AA}kesson, {T. P.A.} and Akimov, {A. V.} and Alberghi, {G. L.} and J. Albert and S. Albrand and {Alconada Verzini}, {M. J.} and M. Aleksa and Aleksandrov, {I. N.} and C. Alexa and G. Alexander and T. Alexopoulos and M. Alhroob and G. Alimonti and L. Alio and J. Alison and Alkire, {S. P.} and Allbrooke, {B. M.M.} and Allport, {P. P.} and A. Aloisio and A. Alonso and F. Alonso and C. Alpigiani and A. Altheimer and {Alvarez Gonzalez}, B. and {{\'A}lvarez Piqueras}, D.",

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N2 - Abstract: A search is presented for a new, light boson with a mass of about 1 GeV and decaying promptly to jets of collimated electrons and/or muons (lepton-jets). The analysis is performed with 20.3 fb−1 of data collected by the ATLAS detector at the Large Hadron Collider in proton-proton collisions at a centre-of-mass energy of 8 TeV. Events are required to contain at least two lepton-jets. This study finds no statistically significant deviation from predictions of the Standard Model and places 95% confidence-level upper limits on the contribution of new phenomena beyond the SM, incuding SUSY-portal and Higgs-portal models, on the number of events with lepton-jets.[Figure not available: see fulltext.]

AB - Abstract: A search is presented for a new, light boson with a mass of about 1 GeV and decaying promptly to jets of collimated electrons and/or muons (lepton-jets). The analysis is performed with 20.3 fb−1 of data collected by the ATLAS detector at the Large Hadron Collider in proton-proton collisions at a centre-of-mass energy of 8 TeV. Events are required to contain at least two lepton-jets. This study finds no statistically significant deviation from predictions of the Standard Model and places 95% confidence-level upper limits on the contribution of new phenomena beyond the SM, incuding SUSY-portal and Higgs-portal models, on the number of events with lepton-jets.[Figure not available: see fulltext.]

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Access to Document

10.1007/JHEP02(2016)062