Geographic variations in lowermost mantle structure from the ray parameters and decay constants of core‐diffracted waves
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Geophysical Research"
DOI: 10.1002/2017jb013930
Abstract: We introduce an array-based approach for constraining seismic velocity structure in the lowermost mantle by measuring the frequency dependence of the ray parameter p and decay constant γ for core-diffracted waves (Pdiff & SHdiff). The… read more here.
Keywords: decay constants; diffracted waves; lowermost mantle; core diffracted ... See more keywords
Weak decays of doubly heavy baryons: “decay constants”
Sign Up to like & getrecommendations! Published in 2018 at "Chinese Physics C"
DOI: 10.1088/1674-1137/42/12/123102
Abstract: Inspired by the recent observation of the $\Xi_{cc}^{++}$ by LHCb collaboration, we explore the "decay constants" of doubly heavy baryons in the framework of QCD sum rules. With the $\Xi_{cc}, \Xi_{bc}, \Xi_{bb}$, and $\Omega_{cc}, \Omega_{bc},… read more here.
Keywords: decays doubly; decay constants; weak decays; heavy baryons ... See more keywords
On decay constants and orbital distance to the Sun—part I: alpha decay
Sign Up to like & getrecommendations! Published in 2017 at "Metrologia"
DOI: 10.1088/1681-7575/54/1/1
Abstract: Claims that proximity to the Sun causes variation of decay constants at permille level have been investigated for alpha decaying nuclides. Repeated decay rate measurements of Po-209, Ra-226, Th-228, U-230, and Am-241 sources were performed… read more here.
Keywords: decay constants; decay; constants orbital; distance sun ... See more keywords
Different approach to decay constants in AdS/QCD models
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DOI: 10.1103/physrevd.101.046009
Abstract: The holographic recipe for the calculation of decay constants is revisited. Starting from the holographic 2-point function and using the fact that normalizable bulk modes scale as $z^{\Delta-S}$, with $S$ the spin, we can obtain… read more here.
Keywords: approach decay; decay constants; ads qcd; different approach ... See more keywords
Masses and decay constants of D ( s ) * and B ( s ) * mesons with N f = 2 + 1 + 1 twisted mass fermions
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DOI: 10.1103/physrevd.96.034524
Abstract: We present a lattice calculation of the decay constants and masses of $D_{(s)}^*$ and $B_{(s)}^*$ mesons using the gauge configurations produced by the European Twisted Mass Collaboration (ETMC) with $N_f = 2 + 1 +… read more here.
Keywords: twisted mass; mathrm mev; decay constants; mathrm ... See more keywords
New methods for B meson decay constants and form factors from lattice NRQCD
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review D"
DOI: 10.1103/physrevd.97.054509
Abstract: We determine the normalization of scalar and pseudoscalar current operators made from nonrelativistic b quarks and highly improved staggered light quarks in lattice quantum chromodynamics (QCD) through OðαsÞ and ΛQCD=mb. We use matrix elements of… read more here.
Keywords: decay constants; constants form; form factors; meson decay ... See more keywords