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The proposal for a high-energy muon collider offers many opportunities in the search for physics beyond the Standard Model (BSM). The collider by construction is likely to be more sensitive to the muon-philic models, primarily motivated by…

High Energy Physics - Phenomenology · Physics 2024-05-14 Nivedita Ghosh , Santosh Kumar Rai , Tousik Samui

A high energy muon collider can provide new and complementary discovery potential to the LHC or future hadron colliders. Leptoquarks are a motivated class of exotic new physics models, with distinct production channels at hadron and lepton…

High Energy Physics - Phenomenology · Physics 2021-11-10 Pouya Asadi , Rodolfo Capdevilla , Cari Cesarotti , Samuel Homiller

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

At the LHC, a TeV-scale leptoquark (LQ) that decays dominantly to a top quark ($t$) and a light charged lepton ($\ell=e,\mu$) would form a resonance system of \emph{boosted-$t$ $+$ high-$p_{\rm T}$-$\ell$}. We consider all possible vector…

High Energy Physics - Phenomenology · Physics 2020-07-06 Arvind Bhaskar , Tanumoy Mandal , Subhadip Mitra

A search for pair production of scalar and vector leptoquarks (LQs) each decaying to a muon and a bottom quark is performed using proton-proton collision data collected at $\sqrt{s}$ = 13 TeV with the CMS detector at the CERN LHC,…

High Energy Physics - Experiment · Physics 2024-06-14 CMS Collaboration

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

Three of the most significant measured deviations from standard model predictions, the enhanced decay rate for B $\to$ D$^{(*)}\tau\nu$, hints of lepton universality violation in B $\to$ K$^{(*)}\ell\ell$ decays, and the anomalous magnetic…

High Energy Physics - Experiment · Physics 2019-03-14 CMS 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

This study investigates the discovery potential of a singly produced vector-like top quark ($T$) at a future muon-proton collider with center-of-mass energies of 5.29, 6.48, and 9.16 TeV, using a model-independent effective Lagrangian…

High Energy Physics - Phenomenology · Physics 2026-03-03 Mudassar Hussain , Ijaz Ahmed , Tayyab Javaid , Haroon Saghir , Jamil Muhammad

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 report on a search for the pair production of second generation scalar leptoquarks (LQ) in ppbar collisions at the center of mass energy sqrt(s)=1.96 TeV using a data set corresponding to an integrated luminosity of 1.0 fb-1 collected…

High Energy Physics - Experiment · Physics 2009-01-14 D0 Collaboration , V. M. Abazov

Top quarks produced in multi-TeV processes will have large Lorentz boosts, and their decay products will be highly collimated. In semileptonic decay modes, this often leads to the merging of the b-jet and the hard lepton according to…

High Energy Physics - Phenomenology · Physics 2011-04-04 Keith Rehermann , Brock Tweedie

A search for pair production of heavy scalar leptoquarks (LQs), each decaying into a top quark and a $\tau$ lepton, is presented. The search considers final states with an electron or a muon, one or two $\tau$ leptons that decayed to…

High Energy Physics - Experiment · Physics 2018-09-05 CMS 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

The LHCb Collaboration recently gave an update on testing lepton flavour universality with $B^+ \rightarrow K^+ \ell^+ \ell^-$, in which a 3.1 standard deviations from the standard model prediction was observed. The g-2 experiment also…

High Energy Physics - Phenomenology · Physics 2022-01-05 Sitian Qian , Congqiao Li , Qiang Li , Fanqiang Meng , Jie Xiao , Tianyi Yang , Meng Lu , Zhengyun You

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

The physics potential for boosted topologies in top-quark pair production is studied at centre-of-mass energies of 1.4 TeV and 3 TeV at the proposed high-luminosity linear electron-positron Compact Linear Collider (CLIC). The analyses…

High Energy Physics - Experiment · Physics 2020-10-06 R. Ström , P. Roloff

Search strategies for the third-generation leptoquarks (LQs) are distinct from other LQ searches, especially when they decay to a top quark and a $\tau$ lepton. We investigate the cases of all TeV-scale scalar and vector LQs that decay to…

High Energy Physics - Phenomenology · Physics 2022-02-01 Arvind Bhaskar , Tanumoy Mandal , Subhadip Mitra , Mohit Sharma

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

Leptoquarks (LQs) are hypothetical bosons, each coupling to a lepton and a quark of a given generation. They recently got particular attention, as the "TeV-scale LQ" might explain observed anomalies reported by dedicated B physics…

High Energy Physics - Experiment · Physics 2019-01-14 Yuta Takahashi
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