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Results for “electroweak interaction”
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Measurement of the absolute branching fraction of inclusive semielectronic D s + decays
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Semileptonic decay of B c to η c and J / ψ on the light front
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Electroweak axial structure functions and improved extraction of the V u d CKM matrix element
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B → ρ l ν ¯ and ω l ν ¯ in and beyond the Standard Model: Improved predictions and | V u b |
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Measurement of the absolute branching fractions for purely leptonic D s + decays
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Constraining 1 + J → 2 coupled-channel amplitudes in a finite volume
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Sensitivity to longitudinal vector boson scattering in semileptonic final states at the HL-LHC
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Atmospheric neutrinos in next-generation xenon and argon dark matter experiments
In this work, we study the sensitivity of future xenon- and argon-based dark matter and neutrino detection experiments to low-energy atmospheric neutrinos. Not accounting for experimental backgrounds, the primary obstacle for identifying nuclear recoils induced by atmospheric neutrinos in xenon is the tail of the electron recoil distribution due to pp solar neutrinos. We use the NEST code to model the solar and atmospheric neutrino signals in a xenon detector and find that an exposure of 700 tonne-years will produce a 5σ detection of atmospheric neutrinos. We explore the effect of different detector properties and find that a sufficiently long electron lifetime is essential to the success of such a measurement.
Measurement of Higgs boson self-couplings through 2 → 3 vector bosons scattering in future muon colliders
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Measurements of absolute branching fractions of D 0 → K L 0 ϕ , K L 0 η , K L 0 ω , and K L 0 η ′
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Signs of pseudo-Dirac neutrinos in SN1987A data
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Unraveling the left-right mixing using 0 ν β β decay and collider probes
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Ionization yield measurement in a germanium CDMSlite detector using photo-neutron sources
Two photo-neutron sources, Y 88 Be 9 and Sb 124 Be 9 , have been used to investigate the ionization yield of nuclear recoils in the CDMSlite germanium detectors by the SuperCDMS collaboration. In this study, we evaluate the yield for nuclear recoil energies between 1 and 7 keV at a temperature of ~ 50 mK . We use a geant4 simulation to model the neutron spectrum assuming a charge yield model that is a generalization of the standard Lindhard model and consists of two energy dependent parameters. We perform a likelihood analysis using the simulated neutron spectrum, modeled background, and experimental data to obtain the best fit values of the yield model. The ionization yield between recoil energies of 1 and 7 keV is shown to be significantly lower than predicted by the standard Lindhard model for germanium. There is a general lack of agreement among different experiments using a variety of techniques studying the low energy range of the nuclear recoil yield, which is most critical for interpretation of direct dark matter searches. This suggests complexity in the physical process that many direct detection experiments use to model their primary signal detection mechanism and highlights the need for further studies to clarify underlying systematic effects that have not been well understood up to this point.
Heavy QCD axion at Belle II: Displaced and prompt signals
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Electron mass singularities in semileptonic kaon decays
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Phonon background from gamma rays in sub-GeV dark matter detectors
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