Results 81 to 90 of about 849,846 (204)
Intermediate behavior of Kerr tails [PDF]
, 2014 The numerical investigation of wave propagation in the asymptotic domain of Kerr spacetime has only recently been possible thanks to the construction of suitable hyperboloidal coordinates. The asymptotics revealed an apparent puzzle in the decay rates of
A Zenginoglu +35 more
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The Influence of β-decay Rates on r-process Observables
The Astrophysical Journal, 2023 The rapid neutron capture process ( r -process) is one of the main mechanisms whereby elements heavier than iron are synthesized, and is entirely responsible for the natural production of the actinides.
Kelsey A. Lund +5 more
doaj +1 more source
Frequent observations accelerate decay: The anti-Zeno effect
, 2001 The quantum Zeno effect (QZE) is the striking prediction that the decay of any unstable quantum state can be inhibited by sufficiently frequent observations (measurements).
Kofman, A. G., Kurizki, G.
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Radiative decay rates of impurity states in semiconductor nanocrystals
AIP Advances, 2015 Doped semiconductor nanocrystals is a versatile material base for contemporary photonics and optoelectronics devices. Here, for the first time to the best of our knowledge, we theoretically calculate the radiative decay rates of the lowest-energy states ...
Vadim K. Turkov +3 more
doaj +1 more source
Decay rates of Neutral Mesons [PDF]
Physical Review Letters, 1962 The partial width for the observed decay mode ω→π^++π^-+π^0 can be estimated by assuming, in the sense of dispersion theory, that the process is dominated by ω→p+π followed by p→2π. We treat p as a nearly stable particle and define a coupling parameter f_(ωpπ).
M. Gell-Mann, D. Sharp, W. G. Wagner
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Integrating Incidence Angle Dependencies Into the Clustering-Based Segmentation of SAR Images
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020 Synthetic aperture radar systems perform signal acquisition under varying incidence angles and register an implicit intensity decay from near to far range. Owing to the geometrical interaction between microwaves and the imaged targets, the rates at which
Anca Cristea +2 more
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How to calculate α-decay rates in the future?
EPJ Web of Conferences, 2016 New elements discovered during past decades have been created in fusion reactions where a lighter nucleus is collided with a heavier one. The new elements created often decay by emitting α particles.
Carlsson B. Gillis +2 more
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Almost sure subexponential decay rates of scalar Itô-Volterra equations
Electronic Journal of Qualitative Theory of Differential Equations, 2004 The paper studies the subexponential convergence of solutions of scalar Itô-Volterra equations. First, we consider linear equations with an instantaneous multiplicative noise term with intensity $\sigma$. If the kernel obeys \[ \lim_{t \rightarrow\infty}
John Appleby
doaj +1 more source
Hawking-Moss Bounces and Vacuum Decay Rates [PDF]
Physical Review Letters, 2007 The conventional interpretation of the Hawking-Moss (HM) solution implies a transition rate between vacua that depends only on the values of the potential in the initial vacuum and at the top of a potential barrier, leading to the implausible conclusion that transitions to distant vacua can be as likely as those to a nearby one.
openaire +3 more sources
Semi-inclusive nonleptonic decays B\to D_s^{(*)} X
, 2002 We calculate the total and differential decay rates for the semi-inclusive nonleptonic decays $B\to D_s^{(*)} X_q$ ($q=c$ or $u$) under the factorization hypothesis.
Jin, Changhao
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