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Related papers: Much Ado About Leptoquarks: A Comprehensive Analys…

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A search for $t$-channel exchange of leptoquarks (LQs) is performed in dimuon and dielectron spectra using proton-proton collision data collected at $\sqrt{s}$ = 13 TeV with the CMS detector at the CERN LHC. The data correspond to an…

High Energy Physics - Experiment · Physics 2026-01-15 CMS Collaboration

Signals of physics beyond the Standard Model at HERA have been searched for by the H1 and ZEUS collaborations. Results are reported about searches of contact interaction effects, leptoquarks, R-parity violating squarks, excited fermions and…

High Energy Physics - Experiment · Physics 2007-05-23 Davide Boscherini

A search for lepton-flavor-violating interactions $e p \to \mu X $ and $e p\to \tau X $ has been performed with the ZEUS detector using the entire HERA I data sample, corresponding to an integrated luminosity of 130 pb^{-1}. The data were…

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

We report on a search for the pair production of scalar leptoquarks, $LQ$, using 191 pb$^{-1}$ of proton-antiproton collision data recorded by the CDF experiment during Run II of the Tevatron. The leptoquarks are sought via their decay into…

High Energy Physics - Experiment · Physics 2014-11-17 CDF Collaboration , D. Acosta

Searches for physics beyond the Standard Model have been performed in high-energy $e^{\pm}p$ collisions at HERA. No significant deviation from the Standard Model has been observed while searching for contact interactions, extra dimensions,…

High Energy Physics - Experiment · Physics 2017-08-23 Nicolas Delerue

We compute, for $t \bar t$ production at the LHC and at the Tevatron, several charge asymmetries to NLO QCD, including also the electromagnetic and weak-interaction corrections. We calculate these asymmetries both inclusively and with…

High Energy Physics - Phenomenology · Physics 2013-05-30 Werner Bernreuther , Zong-Guo Si

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

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

The recent excess in the CMS measurements of $eejj$ and $e\nu jj$ channels and the emergence of PeV comsic neutrino events at the IceCube experiment share an intriguing implication for a leptoquark with a 600-650 GeV mass. We investigate…

High Energy Physics - Phenomenology · Physics 2015-06-17 Bhaskar Dutta , Yu Gao , Tianjun Li , Carsten Rott , Louis E. Strigari

We show that the current bounds on the leptoquark couplings imply that if leptoquarks are produced in e p collisions, a significant fraction of them could form a leptoquark-quark bound state. The decay of the bound state has a distinct…

High Energy Physics - Phenomenology · Physics 2009-10-30 T. K. Kuo , Taekoon Lee

Neutral and charged current deep inelastic ep scattering with longitudinally polarised lepton beams has been studied with the H1 and ZEUS detectors at HERA. The differential cross sections were measured in the range of four-momentum…

High Energy Physics - Experiment · Physics 2013-05-22 Aleksander Filip Zarnecki

A search for new-physics resonances decaying into a lepton and a jet performed by the ATLAS experiment is presented. Scalar leptoquarks pair-produced in $pp$ collisions at $\sqrt{s}=13$ TeV at the Large Hadron Collider are considered using…

High Energy Physics - Experiment · Physics 2020-11-20 ATLAS Collaboration

We comprehensively examine precision predictions for scalar leptoquark pair production at the LHC. In particular, we investigate the impact of lepton $t$-channel exchange diagrams that are potentially relevant in the context of leptoquark…

High Energy Physics - Phenomenology · Physics 2022-02-21 Christoph Borschensky , Benjamin Fuks , Anna Kulesza , Daniel Schwartländer

Leptoquarks are theorized particles of either scalar or vector nature that couple simultaneously to quarks and leptons. Motivated by recent measurements of coherent elastic neutrino-nucleus scattering, we consider the impact of scalar…

High Energy Physics - Phenomenology · Physics 2024-05-29 Valentina De Romeri , Victor Martin Lozano , G. Sanchez Garcia

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

A search for pair production of first-generation scalar leptoquarks is performed in the final state containing two electrons and two jets using proton-proton collision data at sqrt(s)=7 TeV. The data sample used corresponds to an integrated…

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

Leptoquarks provide some of the simplest explanations to the hints of lepton flavor non-universality in $B$ decays. In particular, a new confining gauge group can provide a natural and appealing origin for the leptoquarks. So far, direct…

High Energy Physics - Phenomenology · Physics 2019-01-02 Angelo Monteux , Arvind Rajaraman

A search has been made for lepton-flavor-violating interactions, e+ p -> mu/tau X, at a center-of-mass energy of 300 GeV with an integrated luminosity of 47.7 pb^-1 using the ZEUS detector at HERA. No evidence was found for lepton-flavor…

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

Motivated by the recent HERA events which are consistent with a possible leptoquark interpretation, we discuss the prospects for including additional light colour triplets and anti-triplets in the spectrum of supersymmetric unified…

High Energy Physics - Phenomenology · Physics 2009-10-30 S. F. King , G. K. Leontaris

Precision studies of the production of a high-transverse momentum lepton in association with missing energy at hadron colliders require that electroweak and QCD higher-order contributions are simultaneously taken into account in theoretical…

High Energy Physics - Phenomenology · Physics 2010-01-22 G. Balossini , C. M. Carloni Calame , G. Montagna , M. Moretti , O. Nicrosini , F. Piccinini , M. Treccani , A. Vicini
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