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Related papers: Signal and Backgrounds for Leptoquarks at the LHC

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We perform a detailed analyses of the CERN Large Hadron Collider (LHC) capability to discover first generation vector leptoquarks through their pair production. We study the leptoquark signals and backgrounds that give rise to final states…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Belyaev , O. J. P. Eboli , R. Z. Funchal , T. L. Lungov

We perform a detailed analysis of the potentiality of the CERN Large Hadron Collider to study the single production of leptoquarks via $pp \to e^\pm q\to$ leptoquark $\to e^\pm q$, with $e^\pm$ generated by the splitting of photons radiated…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. E. Cieza Montalvo , O. J. P. Eboli , M. B. Magro , P. G. Mercadante

We analyze systematically the signatures of vector leptoquarks in hadronic collisions. We examine their single and pair productions, as well as their effects on the production of lepton pairs. Our results indicate that a machine like the…

High Energy Physics - Phenomenology · Physics 2009-10-22 J. E. Cieza Montalvo , O. J. P. Eboli

Resonant production of the first generation vector diquarks at the CERN Large Hadron Collider (LHC) is investigated. It is shown that the LHC will be able to discover vector diquarks with masses up to 9 TeV for quark-diquark-quark coupling…

High Energy Physics - Phenomenology · Physics 2010-02-03 E. Arik , O. Cakir , S. A. Cetin , S. Sultansoy

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

We review the present seach for scalar leptoquarks and the potential of the CERN Large Hadron Collider (LHC) to unravel the existence of first generation leptoquarks. Talk given by O. J. P. Eboli at the International Workshop on "Physics…

High Energy Physics - Phenomenology · Physics 2007-05-23 O. J. P. Eboli , R. Z. Funchal , T. L. Lungov

We explore leptoquark production and decay for the $\tilde{R}_{2}$ class of models at the proposed $e^{-} p$ collider LHeC, planned to operate with 150 GeV electron and 7 TeV proton beams. In addition to the coupling of leptoquark with the…

High Energy Physics - Phenomenology · Physics 2018-11-14 Sanjoy Mandal , Manimala Mitra , Nita Sinha

A search for pair-production of first generation scalar leptoquarks is performed in the final state containing an electron, a neutrino, and at least two jets using proton-proton collision data at sqrt(s)=7 TeV. The data were collected by…

High Energy Physics - Experiment · Physics 2015-03-19 CMS Collaboration

We perform a model-independent search for leptoquarks (LQs) at the Large Hadron Collider through their pair-production and subsequent decay into $t\bar t \tau\tau$ intermediate states. We show that, assuming full luminosity of the Run 2, a…

High Energy Physics - Phenomenology · Physics 2023-03-21 Murad Ali , Shaaban Khalil , Stefano Moretti , Shoaib Munir , Roman Nevzorov , Alexandre Nikitenko , Harri Waltari

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 analyze the potential of the CERN Large Hadron Collider (LHC) to search for excited spin-1/2 electrons and neutrinos. Assuming a SU(2)_L X U(1)_Y invariant model, we study in detail the single production of excited electrons and…

High Energy Physics - Phenomenology · Physics 2009-11-07 O. J. P. Eboli , S. M. lietti , Prakash Mathews

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

The LHC search strategies for leptoquarks that couple dominantly to a top quark are different than for the ones that couple mostly to the light quarks. We consider charge $1/3$ ($\phi_1$) and $5/3$ ($\phi_5$) scalar leptoquarks that can…

High Energy Physics - Phenomenology · Physics 2019-10-21 Kushagra Chandak , Tanumoy Mandal , Subhadip Mitra

In this article, we deal with how to distinguish the signatures of different \LQs at the LHC/FCC if all of them lie within similar mass and coupling range and can be produced at present and future colliders. It has been found that hard…

High Energy Physics - Phenomenology · Physics 2021-08-31 Priyotosh Bandyopadhyay , Saunak Dutta , Mahesh Jakkapu , Anirban Karan

The discovery potential of the ATLAS detector for scalar leptoquark pair production at the LHC is discussed in this paper. The study is performed using a parameterized yet realistic simulation of the ATLAS detector response for the signal…

High Energy Physics - Phenomenology · Physics 2008-11-26 V. A. Mitsou , N. Ch. Benekos , I. Panagoulias , Th. D. Papadopoulou

Several discrepancies in the decay of B-meson decay have drawn a lot of interest in the leptoquarks (LQ), making them an exciting discovery. The current research aims to discover the pair-production of leptoquarks that links strongly to the…

High Energy Physics - Phenomenology · Physics 2025-05-02 Ijaz Ahmed , Usman Ahmad , Jamil Muhammad , Saba Shafaq

While the hunt for new states beyond the standard model (SM) goes on for various well motivated theories, the leptoquarks are among the most appealing scenarios at recent times due to a series of tensions observed in $B$-meson decays. We…

High Energy Physics - Phenomenology · Physics 2022-10-18 Priyotosh Bandyopadhyay , Anirban Karan , Rusa Mandal , Snehashis Parashar

We perform a systematic analysis of scalar and vector leptoquark pair production at the Fermilab Tevatron and at the CERN LHC. We evaluate signal expectations and background levels for the processes pp (p ppar) -> 2 jets + e^{+} + e^{-} and…

High Energy Physics - Phenomenology · Physics 2009-10-31 B. Dion , L. Marleau , G. Simon

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

The production of third generation leptoquarks can give rise to multilepton events accompanied by jets and missing transverse energy. In this work we study the signals of these leptoquarks at the CERN Large Hadron Collider and compare them…

High Energy Physics - Phenomenology · Physics 2009-10-31 O. J. P. Eboli , R. Z. Funchal , T. L. Lungov
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