Results 71 to 80 of about 186,516 (304)
Extracting Scattering Phase-Shifts in Higher Partial-Waves from Lattice QCD Calculations
, 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
The light scalar mesons as tetraquarks
Physics Letters B, 2016 We present a numerical solution of the four-quark Bethe–Salpeter equation for ground-state scalar tetraquarks with JPC=0++. We find that the four-body equation dynamically generates pseudoscalar-meson poles in the Bethe–Salpeter amplitude.
Gernot Eichmann +2 more
doaj +1 more source
On the Decay of a Heavy Meson into Lighter Mesons [PDF]
Progress of Theoretical Physics, 1950 Existence of a heavy meson (,-meson) having the mass about 700~1000 times of an electron and the fact it disintegrates into l'Z'-mesons is almost confirmed by recent experiments. For example, G. D. Rochester and C. C. Butleel have reported the processes which are considered to be ,±~1C± + 1CO and ,o_l'Z'+ + r.and C. F.
Shoji Ozaki, Seibun Sasaki, Sadao Oneda
openaire +2 more sources
Inocybe alboaurantiaca (Inocybaceae), a new species from Asia
Nordic Journal of Botany, EarlyView.A new Inocybe (Inocybaceae) species, Inocybe alboaurantiaca, is described and illustrated from Asia (Japan and Pakistan), based on morphological and phylogenetic analyses of the nrITS and nrLSU regions. Phylogenetically, the most closely related sequences belong to the current mainstream European concept of Inocybe fibrosa.
Sana +5 more
wiley +1 more source
Thermal energy of a charm-meson molecule in a pion gas
Journal of High Energy PhysicsThe 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
Theoretical study of the γγ→meson-meson reaction [PDF]
AIP Conference Proceedings, 1998 We present a unified picture which studies simultaneously the gamma gamma-->pi^+ pi^-, pi^0 pi^0, K^+ K^-, K^0 bar{K}^0, pi^0 eta reactions up to about sqrt(s)=1.4 GeV reproducing the experimental cross sections. The present work implements in an accurate way the final state interactions of the meson-meson system, which is shown to be essential in ...
Oller Berber, José Antonio +1 more
openaire +7 more sources
Nordic Journal of Botany, EarlyView.Dyckia semperflorens (Bromeliaceae: Pitcairnioideae) is described as a new species from the temperate climate region of Rio Grande do Sul state, southern Brazil. The new species belongs to the Dyckia encholirioides complex and is closely related morphologically to Dyckia monticola, which is endemic to the Quiriri mountain range, a high‐altitude region ...
Henrique Mallmann Büneker +1 more
wiley +1 more source
Study of the production mechanism of the eta meson by means of analysing power measurements
, 2006 Information about the production mechanism of the eta meson in proton-proton collisions can be inferred by confronting the experimental studies on the analysing power for the p(pol)p --> pp eta reaction with the theoretical predictions of this observable.
A. Budzanowski +31 more
core +1 more source
Interactions of heavy-light mesons [PDF]
, 1999 The potential between static-light mesons forming a meson-meson or a meson-antimeson system is calculated in quenched and unquenched SU(3) gauge theory.
Green, AM +3 more
core +2 more sources
In-medium properties of mesons
EPJ Web of Conferences, 2017 In the project B.4, the modification of meson properties (mass, width) in a nuclear medium has been studied in photoproduction of mesons off nuclear targets.
Metag Volker +2 more
doaj +1 more source