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Effects of Leptonic Nonunitarity on Lepton Flavor Violation, Neutrino Oscillation, Leptogenesis, and Lightest Neutrino Mass
Published 2018-01-01“…In spite of several experimental verifications of neutrino oscillations and precise measurements of two mass squared differences and the three mixing angles, the unitarity of the leptonic mixing matrix is not yet established, leaving room for the presence of small nonunitarity effects. …”
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Hunting for ALPs with lepton flavor violation
Published 2020-01-01“…By using a dimension-5 effective Lagrangian, we compute the most general ALP contributions to LFV decays of leptons and mesons. The provided expressions are valid for any choice of ALP mass and couplings. …”
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Lepton Flavor Violation beyond the MSSM
Published 2015-01-01“…Most extensions of the Standard Model lepton sector predict large lepton flavor violating rates. …”
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Testing the lepton content of the proton at HERA and EIC
Published 2025-01-01“…Abstract Although protons are baryons with an overall vanishing lepton number, they possess a non-trivial leptonic content arising from quantum fluctuations which can be described by lepton parton distribution functions (PDFs) of the proton. …”
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Non-holomorphic modular S 4 lepton flavour models
Published 2025-01-01“…Detailed analyses are presented in the case of three representative benchmark lepton flavour scenarios.…”
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Verifying the resonance schemes of unstable particles at lepton colliders
Published 2025-02-01“…We propose practical ways of differentiating the various (Breit-Wigner, theoretical, and energy-dependent) resonance schemes of unstable particles at lepton colliders. First, the energy-dependent scheme can be distinguished from the other two by fitting the Z lineshape scan and forward-backward asymmetries at LEP and future lepton colliders with the Z mass mZ, decay width ΓZ, and coupling strength as fitting parameters. …”
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Azimuthal asymmetries in lepton and heavy-quark pair production in UPCs
Published 2025-01-01“…Abstract Azimuthal modulations in lepton and heavy-quark pair production in ultraperipheral collisions (UPCs) of highly charged ions are investigated. …”
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New Partial Symmetries from Group Algebras for Lepton Mixing
Published 2020-01-01“…A specific lepton mixing pattern could correspond to a set of equivalent elements of a group algebra. …”
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Proposed Economical and Stable Lepton Mass Matrices with Texture Zeros
Published 2017-01-01“…There are many viable combinations of texture zeros in lepton mass matrices. We propose an economical and stable mass texture. …”
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Study of charged Lepton Flavor Violation in electron muon interactions
Published 2025-01-01“…We investigate the possible charged Lepton Flavor Violation (cLFV) processes mediated by an extra massive neutral gauge boson Z′ in electron muon interactions, either at a proposed electron muon collider or in a fixed target experiment with high-energy muon beam hitting electrons in the target. …”
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Lepton flavor-violating Higgs decays mediated by ultralight gauge boson
Published 2024-12-01“…Abstract We present an analysis of the lepton-flavor violating decay of the Higgs boson mediated by an ultralight gauge boson, $$\chi $$ χ . …”
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Search for long-lived heavy neutral leptons in proton-proton collision events with a lepton-jet pair associated with a secondary vertex at s $$ \sqrt{s} $$ = 13 TeV
Published 2025-02-01“…Events are selected with a charged lepton originating from the primary vertex associated with the proton-proton interaction, as well as a second charged lepton and a hadronic jet associated with a secondary vertex that corresponds to the semileptonic decay of a long-lived HNL. …”
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The impact of data from future lepton colliders on light hadrons fragmentation functions
Published 2025-02-01“…Abstract In this work, we study the constraining power of future lepton colliders on fragmentation functions (FFs) to light charged hadrons from quarks and gluon in the framework of QCD collinear factorization. …”
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SppC Based Energy Frontier Lepton-Proton Colliders: Luminosity and Physics
Published 2017-01-01“…Physics search potential of proposed lepton-proton colliders is illustrated by considering small Björken x region as an example of SM physics and resonant production of color octet leptons as an example of BSM physics.…”
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Charged lepton-flavor violating constraints to non-unitarity in the Linear Seesaw scheme
Published 2025-02-01“…We analyze the non-unitary effects in the linear seesaw mechanism using the current constraints and future sensitivity of the charged Lepton Flavor Violation (cLFV) processes. We perform a random scan confronting the non-unitary parameters with the limits to the cLFV processes. …”
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The azimuthal correlation between the leading jet and the scattered lepton in deep inelastic scattering at HERA
Published 2024-12-01“…Abstract The azimuthal correlation angle, $$\Delta \phi $$ Δ ϕ , between the scattered lepton and the leading jet in deep inelastic $$e^{\pm }p$$ e ± p scattering at HERA has been studied using data collected with the ZEUS detector at a centre-of-mass energy of $$\sqrt{s} = 318 {\,\text {Ge}\hspace{-0.66666pt}\text {V}}$$ s = 318 Ge V , corresponding to an integrated luminosity of $$326 \,\text {pb}^{-1}$$ 326 pb - 1 . …”
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Collider imprint of vector-like leptons in light of anomalous magnetic moment and neutrino data
Published 2024-12-01“…These setups yield a distinctive six-lepton signature whose associated signals can easily be distinguished from the Standard Model background, providing a clear signal indicative of new physics models featuring vector-like leptons. …”
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Octant Degeneracy and Quadrant of Leptonic CPV Phase at Long Baseline ν Experiments and Baryogenesis
Published 2016-01-01“…In this work, we discuss how this study can be further analysed to resolve entanglement of the quadrant of leptonic CPV phase and octant of atmospheric mixing angle θ23, at LBNEs. …”
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Correlating 0νββ decays and flavor observables in leptoquark models
Published 2025-01-01Subjects: “…Baryon/Lepton Number Violation…”
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