Results 51 to 60 of about 48,991 (269)

Meson Condensation [PDF]

open access: yesParticles, 2019
We give a pedagogical review of the properties of the various meson condensation phases triggered by a large isospin or strangeness imbalance. We argue that these phases are extremely interesting and powerful playground for exploring the properties of hadronic matter. The reason is that they are realized in a regime in which various theoretical methods
openaire   +3 more sources

Integrating vision, audition and olfaction traits: a roadmap for contrasting sensory ecologies of birds and rodents

open access: yesOikos, EarlyView.
Sensory ecology seeks to understand how organisms detect and use information from their environment, yet comparative analyses across multiple sensory modalities remain rare. Here, we present a roadmap for contrasting the sensory ecologies of birds and rodents using surrogate morphological and acoustic traits associated with vision, audition, and ...
Raphaël Proulx   +5 more
wiley   +1 more source

Two-index SU(N) theories from one flavor QCD to Steven Weinberg's ππ scattering legacy

open access: yesNuclear Physics B
I review and improve on how two-index SU(N) gauge-fermion theories help access salient information about the large N vacuum and spectrum of QCD, super Yang Mills and meson-meson scattering.
Francesco Sannino
doaj   +1 more source

ρ meson decays of heavy hybrid mesons

open access: yesChinese Physics C, 2016
We calculate the $ρ$ meson couplings between the heavy hybrid doublets H^h/S^h/M^h/T^h and the ordinary q\bar{Q} doublets in the framework of the light-cone QCD sum rule. The sum rules obtained rely mildly on the Borel parameters in their working regions. The resulting coupling constants are rather small in most cases.
Zhang, Liang, Huang, Peng-Zhi
openaire   +2 more sources

Measurement of the relative rate of prompt χc0, χc1 and χc2 production at √s=7TeV [PDF]

open access: yes, 2013
Prompt production of charmonium χc0, χc1 and χc2 mesons is studied using proton-proton collisions at the LHC at a centre-of-mass energy of √s=7TeV. The χc mesons are identified through their decay to J/ψγ, with J/ψ→μ+mu− using photons that converted in ...
Hennessy K.   +999 more
core   +1 more source

Perspectives and behaviors surrounding planting practices in North America inform genetic conservation realities for American ginseng (Panax quinquefolius)

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
American ginseng is a shade‐obligate, North American medicinal plant that is widely traded and used internationally. To meet global demand, ginseng is cultivated in forest farms in the Appalachian region of the USA and field‐based artificial shade farms in two regions: Ontario, Canada and Wisconsin, USA. We conducted social research leveraging in‐depth
Rachel E. Palkovitz   +2 more
wiley   +1 more source

Mass and width of $$T_{c\bar{c}}(4020)$$ T c c ¯ ( 4020 ) in the developed Bethe–Salpeter theory

open access: yesEuropean Physical Journal C: Particles and Fields
In experiments exotic meson resonance $$T_{c\bar{c}}(4020)$$ T c c ¯ ( 4020 ) lies above the $$D^{*}\bar{D}^{*}$$ D ∗ D ¯ ∗ threshold, and in principle one can not explain $$T_{c\bar{c}}(4020)$$ T c c ¯ ( 4020 ) as a meson-meson bound state because meson-
Xiaozhao Chen   +3 more
doaj   +1 more source

Unraveling the pattern of the XYZ mesons

open access: yesPhysics Letters B, 2014
We present a plausible mechanism for the origin of the XYZ mesons in the heavy meson spectra within a standard quark-model picture. We discuss the conditions required for the existence of four-quark bound states or resonances contributing to the heavy ...
J. Vijande, A. Valcarce
doaj   +1 more source

Equivalence of Electromagnetic Fluctuation and Nuclear (Yukawa) Forces: the π₀ Meson, its Mass and Lifetime

open access: yesSubstantia, 2022
It is shown how Maxwell’s equations for the electromagnetic field with Planck quantisation of allowed modes appears to provide a semiclassical account of nuclear interactions. The mesons emerge as plasmons, collective excitations in an electron positron
Barry W. Ninham   +2 more
doaj   +1 more source

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