نتایج جستجو برای: ψ

تعداد نتایج: 8567  

2008
Gang Li Qiang Zhao Chao-Hsi Chang

We introduce a parametrization scheme for J/ψ(ψ′) → V P where the effects of SU(3) flavor symmetry breaking and doubly OZI-rule violation (DOZI) can be parametrized by certain parameters with explicit physical interpretations. This scheme can be used to clarify the glueball-qq̄ mixing within the pseudoscalar mesons. We also include the contributions from the electromagnetic (EM) decays of J/ψ an...

Journal: :Advances in Mathematics 2022

For a decreasing real valued function ψ, pair (A,b) of m×n matrix A and b∈Rm is said to be ψ-Dirichlet improvable if the system‖Aq+b−p‖m<ψ(T)and‖q‖n<T has solution p∈Zm, q∈Zn for all sufficiently large T, where ‖⋅‖ denotes supremum norm. Kleinbock Wadleigh (2019) established an integrability criterion Lebesgue measure non-improvable set. In this paper, we prove similar Hausdorff Also, extend re...

2017
Thomas Østergaard

We investigate the analytic structure of solutions of non-relativistic Schrödinger equations describing Coulombic manyparticle systems. We prove the following: Let ψ(x) with x = (x1, . . . , xN ) ∈ R denote an N -electron wavefunction of such a system with one nucleus fixed at the origin. Then in a neighbourhood of a coalescence point, for which x1 = 0 and the other electron coordinates do not ...

Journal: :International Journal of Modern Physics A 2006

Journal: :Canadian Journal of Plant Science 2022

Winter hardiness may be influenced by vineyard terroir-driven factors, and zones with low water status [leaf potential (ψ)] could more winter hardy than vines high (higher leaf ψ). Six Cabernet franc vineyards were chosen throughout the Niagara region in Ontario. Data collected at fruit set, lag phase, veraison [soil content (SWC), ψ], harvest (yield components, berry composition), three times ...

2002
W. R. Johnson

The (well-known) quantum mechanical expression for the stress tensor is derived and applied to obtain a formula for the pressure in the average-atom model. This average-atom pressure formula reduces to the (well-known) expression for the pressure in a classical free-electron gas when the average-atom continuum wave functions are replaced by free-electron wave functions. 1 Derivation We start wi...

2005
L. Gerland

Abstract. We discuss the production of charmonium states in antiproton-nucleus collisions at the ψ ′ threshold. It is explained that measurements in p̄A collisions will allow to get new information about the strengths of the inelastic J/ψN and ψ N interaction, on the production of Λc and D̄ in charmonium-nucleon interactions and for the first time about the nondiagonal transitions ψ N → J/ψN. The...

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