Showing 1,421 - 1,440 results of 3,350 for search '"lepton"', query time: 0.11s Refine Results
  1. 1421

    Muonic force behind flavor anomalies by Admir Greljo, Yotam Soreq, Peter Stangl, Anders Eller Thomsen, Jure Zupan

    Published 2022-04-01
    “…The Standard Model (SM) is supplemented with a lepton-flavored U(1) X gauge group. The U(1) X gauge boson with the mass of O $$ \mathcal{O} $$ (0.1) GeV resolves the (g − 2) μ tension. …”
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  2. 1422

    To (b)e or not to (b)e: no electrons at LHCb by Marcel Algueró, Aritra Biswas, Bernat Capdevila, Sébastien Descotes-Genon, Joaquim Matias, Martin Novoa-Brunet

    Published 2023-07-01
    “…Abstract We discuss the impact of the recent LHCb update on the two lepton-flavour universality ratios $$R_K$$ R K and $$R_{K^*}$$ R K ∗ , and the CMS update of $$B({B_s \rightarrow \mu ^+\mu ^-})$$ B ( B s → μ + μ - ) regarding the possibility of New Physics in $$b\rightarrow s\ell ^+\ell ^-$$ b → s ℓ + ℓ - decays. …”
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  3. 1423
  4. 1424

    Differential top-antitop cross-section measurements as a function of observables constructed from final-state particles using pp collisions at √s = 7 TeV in the ATLAS detector by Taylor, Frank E.

    Published 2015
    “…The hadronic and leptonic pseudo-top-quarks are defined via the leptonic or hadronic decay mode of the W boson produced by the top-quark decay in events with a single charged lepton. …”
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  5. 1425

    Radiative breaking of the minimal supersymmetric left–right model by Nobuchika Okada, Nathan Papapietro

    Published 2016-05-01
    “…Beyond the quark and lepton superfields we only introduce a second Higgs bidoublet to produce realistic fermion mass matrices. …”
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    Article
  6. 1426
  7. 1427

    Associated production of a top-quark pair with two isolated photons at the LHC through NLO in QCD by Daniel Stremmer, Malgorzata Worek

    Published 2023-08-01
    “…We present results at the integrated and differential cross-section level in the di-lepton and lepton + jet channel. In addition, we investigate the effect of photon bremsstrahlung in t t ¯ $$ t\overline{t} $$ production and top-quark decays, as well as the mixed contribution. …”
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    Article
  8. 1428

    Pseudo-Goldstone dark matter in a radiative inverse seesaw scenario by K. Kannike, A. Kubarski, L. Marzola, A. Racioppi

    Published 2023-12-01
    “…Abstract We consider a scale-invariant inverse seesaw model with dynamical breaking of gauge symmetry and lepton number. In some regions of the parameter space, the Majoron — the pseudo-Goldstone of lepton number breaking — is a viable dark matter candidate. …”
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  9. 1429

    Measurement of jet multiplicity distributions in t(t)over-bar production in pp collisions at root s=7TeV by Chatrchyan, S, Chatrchyan, S, Khachatryan, V, Sirunyan, A, Tumasyan, A, Adam, W, Bergauer, T, Dragicevic, M, Eroe, J, Fabjan, C, Friedl, M, Fruehwirth, R, Ghete, V, Hartl, C, Hoermann, N, Hrubec, J, Jeitler, M, Kiesenhofer, W, Knuenz, V, Krammer, M, Kraetschmer, I, Liko, D, Mikulec, I, Rabady, D, Rahbaran, B

    Published 2014
    “…The measurement is performed in both the dilepton and lepton+jets decay channels using data corresponding to an integrated luminosity of 5.0(Formula presented.). …”
    Journal article
  10. 1430
  11. 1431
  12. 1432

    Measurement of jet shapes in top-quark pair events at [Formula: see text] using the ATLAS detector. by Aad, G, Abajyan, T, Abbott, B, Abdallah, J, Abdel Khalek, S, Abdelalim, A, Abdinov, O, Aben, R, Abi, B, Abolins, M, AbouZeid, O, Abramowicz, H, Abreu, H, Abulaiti, Y, Acharya, B, Adamczyk, L, Adams, D, Addy, T, Adelman, J, Adomeit, S, Adye, T, Aefsky, S, Agatonovic-Jovin, T, Aguilar-Saavedra, J, Agustoni, M

    Published 2013
    “…Samples of top-quark pair events are selected in both the single-lepton and dilepton final states. The differential and integrated shapes of the jets initiated by bottom-quarks from the top-quark decays are compared with those of the jets originated by light-quarks from the hadronic W-boson decays [Formula: see text] in the single-lepton channel. …”
    Journal article
  13. 1433

    Search for pair production of first- and second-generation scalar leptoquarks in pp collisions at root s=7 TeV by Chatrchyan, S, Khachatryan, V, Sirunyan, A, Tumasyan, A, Adam, W, Aguilo, E, Bergauer, T, Dragicevic, M, Eroe, J, Fabjan, C, Friedl, M, Fruehwirth, R, Ghete, V, Hammer, J, Hoermann, N, Hrubec, J, Jeitler, M, Kiesenhofer, W, Knuenz, V, Krammer, M, Kraetschmer, I, Liko, D, Mikulec, I, Pernicka, M, Rahbaran, B

    Published 2012
    “…The search signatures involve either two charged leptons of the same flavor (electrons or muons) and at least two jets or a single charged lepton (electron or muon), missing transverse energy, and at least two jets. …”
    Journal article
  14. 1434

    Michel parameters in the presence of massive Dirac and Majorana neutrinos by Juan Manuel Márquez, Gabriel López Castro, Pablo Roig

    Published 2022-11-01
    “…Abstract We analyse the effects of Dirac and Majorana neutrinos on leptonic decays of muon and tau leptons using the most general four-lepton effective interaction Hamiltonian of dimension six. …”
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  15. 1435

    Leptoquark effects on and decay processes by Suchismita Sahoo, Rukmani Mohanta

    Published 2016-01-01
    “…We also obtain the low recoil (large lepton invariant mass, i.e., ${q}^{2}\sim {m}_{b}^{2}$ ) predictions for the angular distribution of $\bar{B}\to \bar{K}{l}^{+}{l}^{-}$ process and several other observables including the flat term and lepton flavour non-universality factor in this model.…”
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  16. 1436

    Flavor non-universal vector leptoquark imprints in K→πνν¯ and ΔF = 2 transitions by Òscar L. Crosas, Gino Isidori, Javier M. Lizana, Nudžeim Selimović, Ben A. Stefanek

    Published 2022-12-01
    “…We analyze K→πνν¯ rates in a model with a TeV-scale leptoquark addressing B-meson anomalies, based on the flavor non-universal 4321 gauge group featuring third-generation quark-lepton unification. We show that, together with the tight bounds imposed by ΔF=2 amplitudes, the present measurement of B(K+→π+νν¯) already provides a non-trivial constraint on the model parameter space. …”
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  17. 1437

    Probing the dark photon via polarized DIS scattering at the HERA and EIC by Bin Yan

    Published 2022-10-01
    “…In this work, we propose to utilize the polarized lepton cross section and single-spin asymmetry in neutral current DIS process at the HERA and upcoming Electron-Ion Collider (EIC) to probe the properties of the dark photon. …”
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  18. 1438

    Branching fractions and polarizations of D→Vℓν_{ℓ} within QCD light-cone sum rule by Hai-Bing Fu, Wei Cheng, Long Zeng, Dan-Dan Hu, Tao Zhong

    Published 2020-10-01
    “…As a further step, we also investigate the differential and mean predictions for charged lepton (vector meson) polarization in the final state P_{L,T}^{ℓ} (F_{L,T}^{ℓ}), the forward-backward asymmetry A_{FB}^{ℓ}, and the lepton-side convexity parameters C_{F}^{ℓ}. …”
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  19. 1439

    Probe of the anomalous neutral triple gauge couplings in photon-induced collision at future muon colliders by S. Spor

    Published 2023-06-01
    “…The anomalous ZZγ and Zγγ neutral triple gauge couplings occurred by dimension-eight operators are investigated through the process μ+μ−→μ+γ⁎μ−→μ+Z(νν¯)μ− at the muon collider with s=3, 6, 10 and 14 TeV. The charged lepton pseudo-rapidity, the charged lepton transverse momentum and the transverse missing energy distributions are taken in consideration for the final state of the process in the analysis. …”
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  20. 1440

    The Standard Model of Particle Physics with Diracian Neutrino Sector by Theodorus Maria Nieuwenhuizen

    Published 2019-08-01
    “…Oscillation problems are worked out in vacuum and in matter. With lepton number −1 assigned to the sterile neutrinos, the model still violates lepton number conservation and allows very feeble neutrinoless double beta decay. …”
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