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Related papers: Future collider sensitivities to $\nu$SMEFT intera…

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We construct an explicit model implementing electromagnetic leptogenesis. In a simple extension of the Standard Model, a discrete symmetry forbids the usual decays of the right-handed neutrinos, while allowing for an effective coupling…

High Energy Physics - Phenomenology · Physics 2015-05-27 Debajyoti Choudhury , Namit Mahajan , Sudhanwa Patra , Utpal Sarkar

We investigate new physics effects on coherent elastic neutrino nucleus scattering within the framework of nonstandard interactions and generalized neutrino interactions. Additionally, we examine the possibility of light mediators from a…

High Energy Physics - Experiment · Physics 2025-09-08 S. Karadağ , M. Deniz , S. Karmakar , M. K. Singh , M. Demirci , Greeshma C. , H. B. Li , S. T. Lin , M. F. Mustamin , V. Sharma , L. Singh , M. K. Singh , V. Singh , H. T. Wong

We present SMEFiT3.0, an updated global SMEFT analysis of Higgs, top quark, and diboson production data from the LHC complemented by electroweak precision observables (EWPOs) from LEP and SLD. We consider recent inclusive and differential…

High Energy Physics - Phenomenology · Physics 2024-10-29 Eugenia Celada , Tommaso Giani , Jaco ter Hoeve , Luca Mantani , Juan Rojo , Alejo N. Rossia , Marion O. A. Thomas , Eleni Vryonidou

Searching for dark matter at high-energy colliders and direct detection experiments can effectively cover nearly the entire mass range from the MeV to the TeV scale. In this paper, we focus on four-fermion contact interactions formulated…

High Energy Physics - Phenomenology · Physics 2025-06-19 Kai Ma , Lin-Yun He

The ultrahigh energy range of neutrino physics (above $\sim 10^{7} \, \mathrm{GeV}$), as yet devoid of detections, is an open landscape with challenges to be met and discoveries to be made. Neutrino-nucleon cross sections in that range -…

High Energy Physics - Phenomenology · Physics 2023-11-07 Ivan Esteban , Steven Prohira , John F. Beacom

In the context of Left-Right symmetry, we revisit the Keung-Senjanovi\'{c} production of right-handed $W_R$ bosons and heavy neutrinos $N$ at high energy colliders. We develop a multi-binned sensitivity measure and use it to estimate the…

High Energy Physics - Phenomenology · Physics 2018-06-20 Miha Nemevšek , Fabrizio Nesti , Goran Popara

We study the potential of lepton collisions with about $10\text{ TeV}$ center of mass energy to probe Electroweak, Higgs and Top short-distance physics at the $100\text{ TeV}$ scale, pointing out the interplay with the long-distance…

High Energy Physics - Phenomenology · Physics 2022-06-15 Siyu Chen , Alfredo Glioti , Riccardo Rattazzi , Lorenzo Ricci , Andrea Wulzer

We study the potential of the next $ep$ collider, namely LHeC, with two options $\sqrt{s}=1.3$ TeV $\sqrt{s}=1.98$ TeV, to search for excited spin-1/2 and spin-3/2 neutrinos. We calculate the single production cross section of excited…

High Energy Physics - Phenomenology · Physics 2016-07-18 A. Ozansoy , V. Arı , V. Çetinkaya

We study current experimental bounds on charged lepton flavor violating (CLFV) $\mu$-$e$ interactions in the model-independent framework of the Standard Model Effective Field Theory (SMEFT). Assuming a generic flavor structure in the quark…

High Energy Physics - Phenomenology · Physics 2025-12-03 Filippo Delzanno , Kaori Fuyuto , Sergi Gonzàlez-Solís , Emanuele Mereghetti

A search is presented in proton-proton collisions at sqrt(s) = 7 TeV for fermionic triplet states expected in type III seesaw models. The search is performed using final states with three isolated charged leptons and an imbalance in…

High Energy Physics - Experiment · Physics 2013-01-30 CMS Collaboration

We study the production of heavy neutrinos at the Large Hadron Collider (LHC) through the dominant s-channel production mode as well as the vector boson fusion (VBF) process. We consider the TeV scale minimal linear seesaw model containing…

High Energy Physics - Phenomenology · Physics 2015-04-13 Gulab Bambhaniya , Srubabati Goswami , Subrata Khan , Partha Konar , Tanmoy Mondal

We study the prospects of a displaced-vertex search of sterile neutrinos at the Large Hadron Collider (LHC) in the framework of the neutrino-extended Standard Model Effective Field Theory ($\nu$SMEFT). The production and decay of sterile…

High Energy Physics - Phenomenology · Physics 2021-03-18 Jordy de Vries , Herbert K. Dreiner , Julian Y. Günther , Zeren Simon Wang , Guanghui Zhou

The future Electron-Ion Collider (EIC) at Brookhaven National Laboratory, along with its primary capacity to elucidate the nuclear structure, will offer new opportunities to probe physics beyond the Standard Model coupled to the electroweak…

High Energy Physics - Phenomenology · Physics 2023-03-22 Brian Batell , Tathagata Ghosh , Tao Han , Keping Xie

This Letter proposes a new search for confining dark sectors at the Large Hadron Collider. As a result of the strong dynamics in the hidden sector, dark matter could manifest in proton-proton collisions at the Large Hadron Collider in form…

High Energy Physics - Phenomenology · Physics 2022-09-07 Cesare Cazzaniga , Annapaola de Cosa

KM3NeT's detection of a muon track produced by a $\sim 220 \, {\rm PeV}$ neutrino provides an opportunity to probe physics at center-of-momentum energies greater than those probed by the Large Hadron Collider or other existing particle…

High Energy Physics - Phenomenology · Physics 2026-04-01 Toni Bertólez-Martínez , Dan Hooper

If the masses of at least two generations of right-handed neutrinos (RHNs) are near-degenerate, the scale of leptogenesis can be as low as $\sim$ 100 GeV. In this work, we study probing such resonant leptogenesis in the $B-L$ model at the…

High Energy Physics - Phenomenology · Physics 2022-06-08 Wei Liu , Ke-Pan Xie , Zihan Yi

This paper begins with a summary of the status of the Large Hadron Collider at CERN, including the lead-ion injector chain and the plans for the first phases of commissioning and operation with colliding proton beams. In a later phase, the…

Nuclear Experiment · Physics 2011-09-02 John M. Jowett

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

We explore the indirect sensitivities to decoupled new physics of prospective precision electroweak measurements, triple-gauge-coupling measurements and Higgs physics at future $e^+e^-$ colliders, with emphasis on the ILC250 and FCC-ee. The…

High Energy Physics - Phenomenology · Physics 2016-04-20 John Ellis , Tevong You

A search for new physics in top quark production with additional final-state leptons is performed using data collected by the CMS experiment in proton-proton collisions at $\sqrt{s}$ = 13 TeV at the LHC during 2016-2018. The data set…

High Energy Physics - Experiment · Physics 2024-01-04 CMS Collaboration