Results 21 to 30 of about 122,082 (265)

Probing the Fundamental Symmetries of the Early Universe: The Low Energy Frontier [PDF]

open access: yes, 2006
Searching for the fundamental symmetries that characterize the particle physics of the early universe lies at the forefront of particle physics, nuclear physics, and cosmology. In this talk, I review low energy probes of these symmetries and discuss what
Ramsey-Musolf, M. J.
core   +2 more sources

Dark matter substructures affect dark matter-electron scattering in xenon-based direct detection experiments

open access: yesJournal of High Energy Physics, 2023
Recent sky surveys have discovered a large number of stellar substructures. It is highly likely that there are dark matter (DM) counterparts to these stellar substructures.
Tarak Nath Maity, Ranjan Laha
doaj   +1 more source

Non-accelerator neutrino mass searches [PDF]

open access: yes, 2000
The current status of non-accelerator based searches for effects of a non-vanishing neutrino mass is reviewed. Beside the direct kinematical methods this includes searches for magnetic moments and a discussion of the solar neutrino problem.
Zuber, K.
core   +2 more sources

WIMPs, FIMPs, and Inflaton phenomenology via reheating, CMB and ∆N eff

open access: yesJournal of High Energy Physics, 2023
In this paper, we extensively analyzed the reheating dynamics after inflation and looked into its possible implication on dark matter (DM) and inflaton phenomenology.
MD Riajul Haque   +2 more
doaj   +1 more source

The Origin of Cosmic Magnetic Fields

open access: yes, 2000
In this talk, I review a number of particle-physics models that lead to the creation of magnetic fields in the early universe and address the complex problem of evolving such primordial magnetic fields into the fields observed today.
Tornkvist, Ola
core   +2 more sources

A Minimal Supersymmetric Model of Particle Physics and the Early Universe

open access: yes, 2013
We consider a minimal supersymmetric extension of the Standard Model, with right-handed neutrinos and local B-L, the difference between baryon and lepton number, a symmetry which is spontaneously broken at the scale of grand unification. To a large extent, the parameters of the model are determined by gauge and Yukawa couplings of quarks and leptons ...
Buchmuller, W.   +3 more
openaire   +3 more sources

BBN And The CBR Probe The Early Universe [PDF]

open access: yes, 2006
Big Bang Nucleosynthesis (BBN) and the Cosmic Background Radiation (CBR) provide complementary probes of the early evolution of the Universe and of its particle content.
Steigman, Gary
core   +3 more sources

Quantum interference in gravitational particle production

open access: yesJournal of High Energy Physics, 2022
Previous numerical investigations of gravitational particle production during the coherent oscillation period of inflation displayed unexplained fluctuations in the spectral density of the produced particles.
Edward Basso   +3 more
doaj   +1 more source

Supernovae data: Cosmological Constant or ruling out the Cosmological Principle ? [PDF]

open access: yes, 2000
Analysed in the framework of homogeneous FLRW models, the magnitude-redshift data from high redshift supernovae yield, as a primary result, a strictly positive cosmological constant.
Célérier, Marie-Noëlle
core   +3 more sources

Organizing the interface—Plasma membrane architecture and receptor dynamics in virus‐cell interactions

open access: yesFEBS Letters, EarlyView.
Plasma membranes contain dynamic nanoscale domains that organize lipids and receptors. Because viruses operate at similar scales, this architecture shapes early infection steps, including attachment, receptor engagement, and entry. Using influenza A virus and HIV‐1 as examples, we highlight how receptor nanoclusters, multivalent glycan interactions ...
Jan Schlegel, Christian Sieben
wiley   +1 more source

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