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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

This paper describes searches for the pair production of first or second generation scalar leptoquarks using 35/pb of proton-proton collision data recorded by the ATLAS detector at sqrt(s)=7 TeV. Leptoquarks are seached in events with two…

High Energy Physics - Experiment · Physics 2012-08-27 The ATLAS Collaboration

We report on a search for charge 1/3 third generation leptoquarks (LQ) produced in pbarp collisions at sqrt(s) = 1.8 TeV using the D0 detector at Fermilab. Third generation leptoquarks are assumed to be produced in pairs and to decay to a…

High Energy Physics - Experiment · Physics 2008-11-26 B. Abbott

We have searched for the pair production of first generation scalar leptoquarks using the full data set (123 pb**-1) collected with the D0 detector at the Fermilab Tevatron during 1992-1996. We observe no candidates, consistent with the…

High Energy Physics - Experiment · Physics 2007-05-23 Boaz Klima

We present model independent constraints on the masses and couplings to fermions of $B$ and $L$ conserving leptoquarks. Such vector or scalar particles could have masses below 100 GeV and be produced at HERA; we list the generation…

High Energy Physics - Phenomenology · Physics 2008-11-26 Sacha Davidson , David Bailey , Bruce A. Campbell

A search for pair-produced scalar or vector leptoquarks decaying into a $b$-quark and a $\tau$-lepton is presented using the full LHC Run 2 (2015-2018) data sample of 139 fb$^{-1}$ collected with the ATLAS detector in proton-proton…

High Energy Physics - Experiment · Physics 2023-12-04 ATLAS Collaboration

We studied the collider phenomenology of third-generation scalar leptoquarks at the Large Hadron Collider (LHC) with a 14 TeV center-of-mass energy. The analysis focuses on leptoquarks decaying exclusively into top quarks and tau leptons,…

High Energy Physics - Phenomenology · Physics 2025-01-14 Debabrata Sahoo , Rameswar Sahu , Kirtiman Ghosh

We present in this paper the current status of searches for leptoquarks at D0. These results include the use of next leading order theoretical predictions for the cross section for pair production of leptoquarks at hadron colliders. We also…

High Energy Physics - Experiment · Physics 2007-05-23 D. Norman

B-Physics anomalies have recently raised renewed interest in leptoquarks (LQ), predicted in several theoretical frameworks. Under simplifying but conservative assumptions, we show that the current limits from LHC searches together with the…

High Energy Physics - Phenomenology · Physics 2021-12-24 Georges Azuelos , Oliver Fischer , Sudip Jana

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

We report on a search for second generation leptoquarks (LQ) produced in $p\bar{p}$ collisions at sqrt{s} = 1.8 TeV using the D0 detector at Fermilab. Second generation leptoquarks are assumed to be produced in pairs and to decay to either…

High Energy Physics - Experiment · Physics 2008-11-26 D0 Collaboration , B. Abbott et al

A search for pair-produced third generation scalar leptoquarks is presented, using proton-proton collisions at sqrt(s)= 7 TeV at the LHC. The data were recorded with the ATLAS detector and correspond to an integrated luminosity of 4.7 fb-1.…

High Energy Physics - Experiment · Physics 2013-07-08 ATLAS Collaboration

The results of a previous search by the CMS Collaboration for squarks and gluinos are reinterpreted to constrain models of leptoquark (LQ) production. The search considers jets in association with a transverse momentum imbalance, using the…

High Energy Physics - Experiment · Physics 2018-08-15 CMS Collaboration

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

Leptoquarks occur in many new physics scenarios and could be the next big discovery at the LHC. The purpose of this paper is to point out that a model-independent search strategy covering all possible leptoquarks is possible and has not yet…

High Energy Physics - Phenomenology · Physics 2017-11-22 Bastian Diaz , Martin Schmaltz , Yi-Ming Zhong

Current LHC searches for new colored particles generally focus on their pair production channels and assume any single production to be negligible. We argue that such an assumption may be unnecessary in some cases. Inclusion of model…

High Energy Physics - Phenomenology · Physics 2015-08-06 Tanumoy Mandal , Subhadip Mitra , Satyajit Seth

We report on a search for second generation leptoquarks with the D\O\ detector at the Fermilab Tevatron $p\bar{p}$ collider at $\sqrt{s}$ = 1.8 TeV. This search is based on 12.7 pb$^{-1}$ of data. Second generation leptoquarks are assumed…

High Energy Physics - Experiment · Physics 2008-11-26 S. Abachi

The measurements of $R_K^{(*)}$ and $R_{D}^{(*)}$ by BaBar, Belle and the LHCb collaborations could be showing a hint of lepton flavor universality violation that can be accommodated by the presence of suitable leptoquarks at the TeV scale.…

High Energy Physics - Phenomenology · Physics 2018-12-20 Ezequiel Alvarez , Leandro Da Rold , Aurelio Juste , Manuel Szewc , Tamara Vazquez Schroeder

Searches for pair-produced scalar leptoquarks are performed using 20 fb$^{-1}$ of proton-proton collision data provided by the LHC and recorded by the ATLAS detector at $\sqrt{s}=8$ TeV. Events with two electrons (muons) and two or more…

High Energy Physics - Experiment · Physics 2016-01-27 ATLAS Collaboration

Given the hints of lepton-flavour non-universality in $B$-meson decays, leptoquarks (LQs) are enjoying a renaissance. We propose novel Large Hadron Collider (LHC) searches for such hypothetical states that do not rely on strong production…

High Energy Physics - Phenomenology · Physics 2021-05-17 Ulrich Haisch , Giacomo Polesello