Results 111 to 120 of about 269,743 (379)

Thermal energy of a charm-meson molecule in a pion gas

open access: yesJournal of High Energy Physics
The thermal corrections to the propagator of a loosely bound charm-meson molecule in a pion gas are calculated to next-to-leading order in the heavy-meson expansion using a zero-range effective field theory.
Eric Braaten   +3 more
doaj   +1 more source

The UTfit collaboration average of D meson mixing data: Winter 2014 [PDF]

open access: yes, 2014
A bstractWe update the analysis of D meson mixing including the latest experimental results as of January 2014. We derive constraints on the parameters M12, Γ12 and Φ12 that describe D meson mixing using all available data, allowing for CP violation.
A. Bevan   +15 more
semanticscholar   +1 more source

Charm meson production from meson–nucleon scattering

open access: yesPhysics Letters B, 2002
Using an effective hadronic Lagrangian with physical hadron masses and coupling constants determined either empirically or from SU(4) flavor symmetry, we study the production cross sections of charm mesons from pion and rho meson interactions with nucleons.
Liu, W., Ko, C.M.
openaire   +2 more sources

Leaf‐chewing but not sap‐feeding herbivores create soil legacies that shape plant resistance through trait‐mediated, guild‐specific effects in Baccharis salicifolia

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Herbivory can affect the soil microbiome, creating legacies that affect plant resistance, but how these effects vary by feeding guild and the plant traits involved remain underexplored. We tested how soil legacies created by a leaf‐chewing caterpillar (Spodoptera exigua)
Carla Vázquez‐González   +7 more
wiley   +1 more source

There is only one set of the correct values of fF, fD and fS coupling constants in SU(3) invariant Lagrangian of the vector-meson-baryon interactions [PDF]

open access: yesEPJ Web of Conferences, 2019
One can prove, there is generally eight various ω − ø mixings forms in elementary particle physics, which on one side give different forms of the vector-meson-nucleon coupling constants through fF, fD and fS in SU(3) invariant Lagrangian of the vector ...
Adamuščín Cyril   +3 more
doaj   +1 more source

Helicity operators for mesons in flight on the lattice

open access: yes, 2012
Motivated by the desire to construct meson-meson operators of definite relative momentum in order to study resonances in lattice QCD, we present a set of single-meson interpolating fields at non-zero momentum that respect the reduced symmetry of a cubic ...
A. Martin   +4 more
core   +1 more source

D*(s0)(2317) meson and D-meson-kaon scattering from lattice QCD. [PDF]

open access: yesPhysical Review Letters, 2013
The scalar meson D*(s0)(2317) is found 37(17) MeV below the DK threshold in a lattice simulation of the J(P)=0(+) channel using, for the first time, both DK as well as s¯c interpolating fields. The simulation is done on N(f)=2+1 gauge configurations with
D. Mohler   +4 more
semanticscholar   +1 more source

Apex predators exploit advantageous snow conditions across hunting modes

open access: yesJournal of Animal Ecology, EarlyView.
Advantageous snow conditions—in terms of snow depth and density—are among the most important features of the winter landscape for two apex predators, regardless of hunting strategy. In a warming climate, the knock‐on effects of a diminishing snowpack may reduce the hunting success of multiple large carnivore species.
Benjamin K. Sullender   +7 more
wiley   +1 more source

The sigma-meson exchange contribution to the muonic hydrogen Lamb shift [PDF]

open access: yesEPJ Web of Conferences, 2019
The sigma(ξ)meson exchange contribution to the potential of the muon-proton interactionin muonichydrogen inducedbythe ξ-meson coupling to two photons is estimated. The transition form factor ξ → γγ is deduced from the quark model and experimental data on
Dorokhov A.E.   +3 more
doaj   +1 more source

Extracting Scattering Phase-Shifts in Higher Partial-Waves from Lattice QCD Calculations

open access: yes, 2011
L\"uscher's method is routinely used to determine meson-meson, meson-baryon and baryon-baryon s-wave scattering amplitudes below inelastic thresholds from Lattice QCD calculations - presently at unphysical light-quark masses.
G. P. Lepage   +10 more
core   +2 more sources

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