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Related papers: Leptoquark search at the Forward Physics Facility

200 papers

A search for first and second generation leptoquarks has been done with the D\O \ detector at Fermilab's p\={p} collider with $\sqrt{s}=1.8$ TeV. 95\% C.L. mass limits for first generation scalar leptoquarks have been recently published.…

High Energy Physics - Experiment · Physics 2009-09-25 Douglas M. Norman , the DZero Collaboration

Recent results of searches for new physics at HERA using the complete data sample corresponding to about 0.5/fb per experiment are reviewed. Searches for leptoquarks, isolated leptons (electrons, muons and taus) and a generic search for new…

High Energy Physics - Experiment · Physics 2008-10-21 Gerhard Brandt

We study the sensitivity of the processes `e+ e- -> lepton (l) neutrino (v) quark (u) antiquark (d)', where the lepton is an electron or a muon, on the non-standard trilinear gauge couplings (TGC), using the optimal observables method at…

High Energy Physics - Phenomenology · Physics 2011-09-13 G. J. Gounaris , Costas G. Papadopoulos

We develop a "precision-ready", model-independent EFT framework that connects general leptophilic gauge interactions to their low-energy manifestations in SMEFT and LEFT. Starting from a broad U(1)'_ell extension in which leptons carry…

High Energy Physics - Phenomenology · Physics 2025-12-03 Seyit Okan Kara

Nonzero neutrino masses guarantee new physics and neutrinos are excellent probes of extreme environments in the Universe. The recent collider neutrino experimental program, including FASER$\nu$ and SND@LHC, along with the planned Forward…

High Energy Physics - Phenomenology · Physics 2026-05-29 Bei Zhou , Pedro Machado

We study the sensitivity of the Tevatron and the 7 TeV LHC to a leptoquark S coupling to a top quark and a charged lepton L (= e, mu, or tau). For the Tevatron, we focus on the case m_S < m_t, where the leptoquark pair production cross…

High Energy Physics - Phenomenology · Physics 2011-07-04 Sacha Davidson , Patrice Verdier

We suggest a new class of tests for searching for lepton flavor non-universality (LFNU) using ratio observables and based on correlations among the underlying LFNU new physics (NP) effects in several (seemingly independent) di-lepton and…

High Energy Physics - Phenomenology · Physics 2020-11-09 Yoav Afik , Shaouly Bar-Shalom , Jonathan Cohen , Amarjit Soni , Jose Wudka

Searches for scalar leptoquarks pair-produced in proton-proton collisions at $\sqrt{s}=13$ TeV at the Large Hadron Collider are performed by the ATLAS experiment. A data set corresponding to an integrated luminosity of 36.1 fb$^{-1}$ is…

High Energy Physics - Experiment · Physics 2019-09-17 ATLAS Collaboration

A search is presented for a third-generation leptoquark (LQ) coupled exclusively to a $\tau$ lepton and a b quark. The search is based on proton-proton collision data at a center-of-mass energy of 13 TeV recorded with the CMS detector,…

High Energy Physics - Experiment · Physics 2024-06-06 CMS Collaboration

Scalar leptoquarks (sLQs) appear in a wide range of ultraviolet-motivated extensions of the Standard Model and provide a natural link between the quark and lepton sectors. In this work, we investigate the discovery potential of an sLQ…

High Energy Physics - Phenomenology · Physics 2026-03-12 Subham Saha , Arvind Bhaskar , P. S. Bhupal Dev , Manimala Mitra

After a review over past experiments and theoretical requirements from low-energy flavour physics, we argue that the possibility of low-mass leptoquarks (LQ) cannot be fully excluded due to the assumptions made in the measurements.…

High Energy Physics - Phenomenology · Physics 2021-08-18 Li-Gang Xia

This paper proposes to exploit gravitational lensing effects to improve the sensitivity of neutrino telescopes to the intrinsic neutrino emission of distant blazar populations. This strategy is illustrated with a search for cosmic neutrinos…

High Energy Astrophysical Phenomena · Physics 2015-06-22 S. Adrián-Martínez , A. Albert , M. André , G. Anton , M. Ardid , J. -J. Aubert , B. Baret , J. Barrios-Martì , S. Basa , V. Bertin , S. Biagi , C. Bogazzi , R. Bormuth , M. Bou-Cabo , M. C. Bouwhuis , R. Bruijn , J. Brunner , J. Busto , A. Capone , L. Caramete , J. Carr , T. Chiarusi , M. Circella , R. Coniglione , L. Core , H. Costantini , P. Coyle , A. Creusot , G. De Rosa , I. Dekeyser , A. Deschamps , G. DeBonis , C. Distefano , C. Donzaud , D. Dornic , Q. Dorosti , D. Drouhin , A. Dumas , T. Eberl , D. Elsässer , A. Enzenhöfer , S. Escoffier , K. Fehn , I. Felis , P. Fermani , F. Folger , L. A. Fusco , S. Galatà , P. Gay , S. Geißelsöder , K. Geyer , V. Giordano , A. Gleixner , J. P. Gómez-González , K. Graf , G. Guillard , H. van Haren , A. J. Heijboer , Y. Hello , J. J. Hernández-Rey , B. Herold , A. Herrero , J. Hößl , J. Hofestädt , C. Hugon , C. W. James , M. de Jong , M. Kadler , O. Kalekin , A. Kappes , U. Katz , D. Kießling , P. Kooijman , A. Kouchner , I. Kreykenbohm , V. Kulikovskiy , R. Lahmann , E. Lambard , G. Lambard , D. Lefèvre , E. Leonora , H. Loehner , S. Loucatos , S. Mangano , M. Marcelin , A. Margiotta , J. A. Martínez-Mora , S. Martini , A. Mathieu , T. Michael , P. Migliozzi , C. Müller , M. Neff , E. Nezri , D. Palioselitis , G. E. Păvălaş , C. Perrina , V. Popa , T. Pradier , C. Racca , G. Riccobene , R. Richter , K. Roensch , A. Rostovtsev , M. Saldaña , D. F. E. Samtleben , A. Sánchez-Losa , M. Sanguineti , J. Schmid , J. Schnabel , S. Schulte , F. Schüssler , T. Seitz , C. Sieger , A. Spies , M. Spurio , J. J. M. Steijger , Th. Stolarczyk , M. Taiuti , C. Tamburini , Y. Tayalati , A. Trovato , M. Tselengidou , C. Tönnis , B. Vallage , C. Vallée , V. Van Elewyck , E. Visser , D. Vivolo , S. Wagner , J. Wilms , E. de Wolf , K. Yatkin , H. Yepes , J. D. Zornoza , J. Zúñiga , E. E. Falco

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

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

Results are presented from a search for the pair production of third-generation scalar and vector leptoquarks, as well as for top squarks in R-parity-violating supersymmetric models. In either scenario, the new, heavy particle decays into a…

High Energy Physics - Experiment · Physics 2013-03-14 CMS Collaboration

The H1 and ZEUS collaborations at HERA have searched for signatures of physics beyond the Standard Model using high Q^2 neutral current deep inelastic electron-proton and positron-proton scattering events. No significant deviations from…

High Energy Physics - Experiment · Physics 2008-10-09 Amita Raval

We investigate the viability of extending the Standard Model with $S_1$ and $S_3$ scalar leptoquarks when the flavour structure is parametrized in terms of Froggatt-Nielsen charges. In contrast to a similar analysis with a vector…

High Energy Physics - Phenomenology · Physics 2021-03-17 Marzia Bordone , Oscar Cata , Thorsten Feldmann , Rusa Mandal

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

We study the potentiality of the CERN Large Hadron Collider (LHC) to unravel the existence of first generation scalar leptoquarks. Working with the most general $SU(2)_L \otimes U(1)_Y$ invariant leptoquark interactions, we analyze in…

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

FASER, the ForwArd Search ExpeRiment, is a proposed experiment dedicated to searching for light, extremely weakly-interacting particles at the LHC. Such particles may be produced in the LHC's high-energy collisions in large numbers in the…