Results 41 to 50 of about 5,712,926 (229)
Gauge group contraction of electroweak model and its natural energy limits
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2015 The low and higher energy limits of the Electroweak Model are obtained from first principles of gauge theory. Both limits are given by the same contraction of the gauge group, but for the different consistent rescalings of the field space.
Nikolay A Gromov
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Cancellation Mechanism for Dark-Matter-Nucleon Interaction. [PDF]
Physical Review Letters, 2017 We consider a simple Higgs portal dark-matter model, where the standard model is supplemented with a complex scalar whose imaginary part plays the role of weakly interacting massive particle dark matter (DM).
C. Gross, O. Lebedev, Takashi Toma
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Vacuum stability with radiative Yukawa couplings
Journal of High Energy Physics, 2022 We explore the electroweak vacuum stability in the framework of a recently proposed paradigm for the origin of Yukawa couplings. These arise as low energy effective couplings radiatively generated by portal interactions with a hidden, or dark, sector at ...
Emidio Gabrielli +3 more
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Dynamics of Electroweak Phase Transition In Singlet-Scalar Extension of the Standard Model [PDF]
, 2017 An addition to the Standard Model of a real, gauge-singlet scalar field, coupled via a Higgs portal interaction, can reopen the possibility of a strongly first-order electroweak phase transition (EWPT) and successful electroweak baryogenesis (EWBG). If a
G. Kurup, M. Perelstein
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N-jettiness in electroweak high-energy processes
Journal of High Energy Physics, 2022 We study N-jettiness in electroweak processes at extreme high energies, in which the mass of the weak gauge bosons can be regarded as small. The description of the scattering process such as e − e + → μ − μ + + X is similar to QCD.
Junegone Chay, Taewook Ha, Taehyun Kwon
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Physics Letters B, 2023 The paper presents the multipole expansion for the electron-nucleus scattering cross section at high energies within the framework of the unified electroweak theory.
Z.P. Luong, M.T. Vo
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Electroweak baryogenesis from a dark sector [PDF]
, 2017 Adding an extra singlet scalar $S$ to the Higgs sector can provide a barrier at tree level between a false vacuum with restored electroweak symmetry and the true one.
J. Cline +2 more
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About the rapidity and helicity distributions of the W bosons produced at LHC
Journal of High Energy Physics, 2017 W bosons are produced at LHC from a forward-backward symmetric initial state. Their decay to a charged lepton and a neutrino has a strong spin analysing power. The combination of these effects results in characteristic distributions of the pseudorapidity
E. Manca +3 more
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Electroweak production of two jets in association with a Z boson in proton-proton collisions at $\sqrt{s}= $ 13 TeV [PDF]
, 2017 A measurement of the electroweak (EW) production of two jets in association with a Z boson in proton-proton collisions at √ s = 13 TeV is presented, based on data recorded in 2016 by the CMS experiment at the LHC corresponding to an integrated luminosity
Cms Collaboration
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Constraints on Four Fermion Contact Interactions from Precise Electroweak Measurements [PDF]
, 1998 We establish constraints on a general four-fermion contact interaction from precise measurements of electroweak parameters. We compute the one-loop contribution for the leptonic $Z$ width, anomalous magnetic, weak-magnetic, electric and weak dipole ...
A Gusso +29 more
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