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Related papers: A Comprehensive Study of Leptoquark Bounds

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A search for pair-produced scalar and vector leptoquarks decaying into quarks and leptons of different generations is presented. It uses the full LHC Run 2 (2015-2018) data set of 139 fb$^{-1}$ collected with the ATLAS detector in…

High Energy Physics - Experiment · Physics 2023-08-30 ATLAS Collaboration

Results from the latest searches for pair-produced scalar leptoquarks using 36.1 $\text{fb}^{-1}$ of $pp$-collision data recorded by the ATLAS detector at $\sqrt{s}$ = 13 TeV were presented. No statistically significant excess of data over…

High Energy Physics - Experiment · Physics 2019-07-11 Vincent Wai Sum Wong

An inclusive search for a new-physics signature of lepton-jet resonances has been performed by the ATLAS experiment. Scalar leptoquarks, pair-produced in $pp$ collisions at $\sqrt{s}$ = 13 TeV at the Large Hadron Collider, have been…

High Energy Physics - Experiment · Physics 2016-09-21 ATLAS Collaboration

Leptoquark searches are considered for future experiments at HERA, Tevatron, LHC, TESLA and THERA. Expected exclusion limits from direct leptoquark searches (leptoquark pair production and single leptoquark production) are compared with…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. F. Zarnecki

A search for pair production of third-generation scalar leptoquarks and supersymmetric top quark partners, top squarks, in final states involving tau leptons and bottom quarks is presented. The search uses events from a data sample of…

High Energy Physics - Experiment · Physics 2014-11-11 CMS Collaboration

Data from HERA, LEP and the Tevatron, as well as from low energy experiments are used to constrain the Yukawa couplings for scalar and vector leptoquarks in the Buchmuller-Ruckl-Wyler effective model. In the limit of very high leptoquark…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. F. Zarnecki

A search is presented for a singly produced third-generation scalar leptoquark decaying to a $\tau$ lepton and a bottom quark. Associated production of a leptoquark and a $\tau$ lepton is considered, leading to a final state with a bottom…

High Energy Physics - Experiment · Physics 2018-07-31 CMS Collaboration

We present the preliminary results of a search for leptoquark ($LQ$) pairs using (85.2 $\pm$ 3.7) pb$^{-1}$ of $p{\bar p}$ collider data collected by the DO experiment at the Fermilab Tevatron from 1994-1996. We observe no evidence for…

High Energy Physics - Experiment · Physics 2007-05-23 V. M. Abazov

The Large Hadron Collider can do precision physics at a level that is competitive with electroweak precision constraints when probing physics beyond the Standard Model. We present a simple yet general parameterization of the effect of an…

High Energy Physics - Phenomenology · Physics 2013-11-27 J. de Blas , M. Chala , Jose Santiago

We report on a search for second generation leptoquarks LQ_2 which decay into a muon plus quark in p\bar{p} collisions at a center-of-mass energy of sqrt{s} = 1.96 TeV in the D0 detector using an integrated luminosity of about 300 pb-1. No…

High Energy Physics - Experiment · Physics 2010-05-12 D0 Collaboration , V. Abazov

A search for first generation scalar and vector leptoquarks produced in ep collisions is performed by the H1 experiment at HERA. The full H1 data sample is used in the analysis, corresponding to an integrated luminosity of 446 pb^-1. No…

High Energy Physics - Experiment · Physics 2012-08-27 H1 Collaboration

We present a search for the pair production of first generation scalar leptoquarks (LQ) in data corresponding to an integrated luminosity of 5.4 fb$^{-1}$ collected with the D0 detector at the Fermilab Tevatron Collider in ppbar collisions…

High Energy Physics - Experiment · Physics 2013-05-29 D0 Collaboration , V. Abazov

A search for pair production of third-generation scalar leptoquarks decaying to top quark and tau lepton pairs is presented using proton-proton collision data at a center-of-mass energy of sqrt(s) = 8 TeV collected with the CMS detector at…

High Energy Physics - Experiment · Physics 2016-11-22 CMS Collaboration

A search for first generation scalar and vector leptoquarks produced in ep collisions is performed by the H1 Collaboration at HERA. The full H1 data sample is used in the analysis, corresponding to an integrated luminosity 446 pb^-1. No…

High Energy Physics - Experiment · Physics 2013-02-15 David M. South

A search for the pair-production of scalar leptoquarks in 1/fb of 7 TeV ATLAS data recorded at the LHC is presented. Leptoquarks are hypothetical color-triplet bosons which carry both quark and lepton flavor, and thus decay to a quark and a…

High Energy Physics - Experiment · Physics 2019-08-14 John Stupak

We present the results of an analysis for the pair production of scalar leptoquarks at the CERN Large Hadron Collider (LHC) with energy=14 TeV and luminosity=10 fb^{-1} which includes the dominant sources of Standard Model background…

High Energy Physics - Phenomenology · Physics 2011-09-13 B. Dion , M. de Montigny , L. Marleau , G. Simon

A search for scalar and vector leptoquarks coupling to first generation fermions is performed in the H1 experiment at the ep collider HERA. The analysis uses e^- p data collected in 1998 and 1999 at a centre-of-mass energy of 320 GeV,…

High Energy Physics - Experiment · Physics 2010-05-28 H1 Collaboration , C. Adloff

A search for first generation scalar and vector leptoquarks (LQ) as well as for squarks in R-parity violating SUSY models has been performed using e+e- collisions collected with the OPAL detector at LEP at an e+e- centre-of-mass energy…

High Energy Physics - Experiment · Physics 2010-05-28 The OPAL collaboration , G. Abbiendi

Fermion masses may arise via mixing of elementary fermions with composite fermions of a strong sector in scenarios of strongly-coupled electroweak symmetry breaking. The strong sector may contain leptoquark states with masses as light as…

High Energy Physics - Phenomenology · Physics 2011-02-14 Ben Gripaios , Andreas Papaefstathiou , Kazuki Sakurai , Bryan Webber

Leptoquarks in the mass range of 500-1000 GeV can be resonantly produced in significant numbers by PeV neutrino interacting with nuclei at IceCube. We compute the event rates of leptoquark production and decay events and use the 3-year…

High Energy Physics - Phenomenology · Physics 2016-05-10 Ujjal Kumar Dey , Subhendra Mohanty