Results 101 to 110 of about 1,684,231 (310)

Nuclear and Neutron Star Radii [PDF]

open access: yes, 2002
We investigate the correlation between nuclear neutron radii and the radius of neutron stars. We use a well-established hadronic SU(3) model based on chiral symmetry that naturally includes non-linear vector meson and scalar meson - vector meson ...
Alex Brown   +19 more
core   +2 more sources

Anticipating Shifts in American Beech Distribution in a Changing Climate

open access: yesJournal of Biogeography, EarlyView.
ABSTRACT Aim This study aimed to anticipate shifts in habitat suitability for American beech (Fagus grandifolia) under current and future climate scenarios using an ensemble of species distribution models (SDM). The resulting habitat suitability projections will serve as a foundational layer for developing a hierarchical risk mapping model for beech ...
Erşan Selvi   +2 more
wiley   +1 more source

Excited vector mesons: phenomenology and predictions for a yet unknown vector ss state with a mass of about 1.93 GeV

open access: yesEPJ Web of Conferences, 2018
The firm understanding of standard quark-antiquark states (including excited states) is necessary to search for non-conventional mesons with the same quantum numbers.
Piotrowska M., Giacosa F.
doaj   +1 more source

Differential cross section for γd → ωd using CLAS at Jefferson Lab

open access: yesPhysics Letters B, 2018
The cross section for coherent ω-meson photoproduction off the deuteron has been measured for the first time as a function of the momentum transfer t=(Pγ−Pω)2 and photon energy Eγ using the CLAS detector at the Thomas Jefferson National Accelerator ...
T. Chetry   +111 more
doaj   +1 more source

Exclusive heavy vector meson production at next-to-leading order in the dipole picture

open access: yesPhysics Letters B, 2021
We calculate exclusive production of a longitudinally polarized heavy vector meson at next-to-leading order in the dipole picture. The large quark mass allows us to separately include both the first QCD correction proportional to the coupling constant αs,
Heikki Mäntysaari, Jani Penttala
doaj   +1 more source

Chiral behavior of vector meson self-energies [PDF]

open access: yes, 2013
We employ a chiral Lagrangian framework with three dynamical flavors to calculate the masses of the lowest-lying vector mesons to one-loop accuracy, and use the resulting formulas to extrapolate recent lattice data from the QCDSF Collaboration on vector ...
P. Bruns, L. Greil, A. Schafer
semanticscholar   +1 more source

Charged vector mesons in a strong magnetic field

open access: yes, 2013
We show that charged vector mesons cannot be condensed by a magnetic field. Although some hadron models predict the charged vector meson condensation in a strong magnetic field, we prove, by means of the Vafa-Witten theorem, that this is not the case in ...
Hidaka, Yoshimasa, Yamamoto, Arata
core   +1 more source

Exclusive diffractive processes and the quark substructure of mesons [PDF]

open access: yes, 1996
Exclusive diffractive processes on the nucleon are investigated within a model in which the quark-nucleon interaction is mediated by Pomeron exchange and the quark substructure of mesons is described within a framework based on the Dyson-Schwinger ...
A. Bashir   +47 more
core   +2 more sources

Genomic Insights Into Local Adaptation Across Heterogeneous Understory Habitats and Climate Change Vulnerability

open access: yesMolecular Ecology, EarlyView.
ABSTRACT Understanding adaptive evolution and survival risks in understory herbs is crucial for the effective conservation of biodiversity. How environmental gradients shape species local adaptation patterns is not well understood, nor is how populations of understory herbs respond to a changing climate.
Nan Lin   +7 more
wiley   +1 more source

Vector meson quasinormal modes in a finite-temperature AdS/QCD model [PDF]

open access: yes, 2013
A bstractWe study the spectrum of vector mesons in a finite temperature plasma. The plasma is holographically described by a black hole AdS/QCD model. We compute the boundary retarded Green’s functions using AdS/CFT prescriptions.
L. A. Mamani   +3 more
semanticscholar   +1 more source

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