Results 61 to 70 of about 119,970 (362)
Atomic ionization at positron annihilation at β+-decay with taking into account screening [PDF]
Ядерна фізика та енергетика, 2012 The role of the nuclear charge screening and correctness of Born approximation for electron which is leaving atom in the process of atomic ionization at annihilation of positron with another electron of daughter's atom at β+-decay is studied. Processes
S. N. Fedotkin
doaj
Contributions to cosmic reionization from dark matter annihilation and decay [PDF]
, 2016 Dark matter annihilation or decay could have a significant impact on the ionisation and thermal history of the universe. In this paper, we study the potential contribution of dark matter annihilation (s-wave- or p-wave-dominated) or decay to cosmic ...
Hongwan Liu, T. Slatyer, J. Zavala
semanticscholar +1 more source
On Generation, Motions, and Collisions of Dowsons
Frontiers in Physics, 2020 Dowsons are ±2π point singularities of the unitary complex order parameter eiφ characterizing the so-called dowser texture in a thin nematic layer with homeotropic boundary conditions.
Pawel Pieranski, Maria Helena Godinho
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He jishu, 2023 BackgroundThe annihilation radiation exhibits conspicuous features in the low-energy segment of the orbital gamma spectrum, which contains a substantial amount of geological information about the lunar surface.
ZHAO Jiankun +6 more
doaj +1 more source
Journal of the American Chemical Society, 2019 The triplet pair is the key functional unit in triplet–triplet annihilation photon upconversion. The same molecular properties that stabilize the triplet pair also allow dimers to form on the singlet energy surface, creating an unwanted energy relaxation
Chen Ye +3 more
semanticscholar +1 more source
ON THE ANNIHILATOR OF A DOLBEAULT GROUP [PDF]
International Journal of Mathematics, 2010 We show that any Dolbeault cohomology group Hp,q(D), p ≥ 0, q ≥ 1, of an open subset D of a closed finite codimensional complex Hilbert submanifold of ℓ2 is either zero or infinite dimensional. We also show that any continuous character of the algebra of holomorphic functions of a closed complex Hilbert submanifold M of ℓ2 is induced by its evaluation
openaire +2 more sources
Low‐Activation Compositionally Complex Alloys for Advanced Nuclear Applications—A Review
Advanced Engineering Materials, EarlyView.Low‐activation compositionally complex alloys (LACCAs) are advanced metallic materials primarily composed of low‐activation elements, offering advantages such as rapid compliance with operational standards and safe recyclability. This review highlights their potential for extreme high‐temperature irradiation environments as structural materials for ...
Yangfan Wang +8 more
wiley +1 more source
Journal of High Energy Physics, 2012 Neutralino dark matter in supersymmetric models is revisited in the presence of flavor violation in the soft supersymmetry breaking sector. We focus on flavor violation in the sleptonic sector and study the implications for the co-annihilation regions.
Chowdhury, Debtosh +2 more
openaire +4 more sources
Powder Metallurgy Preparation of Metastable β Ti–Cr–Ge Alloys for Medical Applications
Advanced Engineering Materials, EarlyView.This study develops metastable β Ti–Cr–Ge alloys using powder metallurgy for biomedical implants. The Ti–10Cr–2Ge alloy exhibits superior mechanical performance with high yield strength (>1100 MPa), low Young's modulus (<85 GPa), and excellent strain hardening behavior.
Teddy Sjafrizal +3 more
wiley +1 more source
Asymmetric thermal-relic dark matter: Sommerfeld-enhanced freeze-out, annihilation signals and unitarity bounds [PDF]
, 2017 Dark matter that possesses a particle-antiparticle asymmetry and has thermalised in the early universe, requires a larger annihilation cross-section compared to symmetric dark matter, in order to deplete the dark antiparticles and account for the ...
Iason Baldes, K. Petraki
semanticscholar +1 more source