نتایج جستجو برای: exclusive
تعداد نتایج: 28425 فیلتر نتایج به سال:
Up to now the investigations at high energies were concentrated on inclusive processes, i.e. processes (measurements) when only one object of many produced simultaneously is recorded. Naively, these processes seem to be difficult but can be well described within the standard parton model. The exclusive processes seems naively easier, but in reality require detailed knowledge of the QCD dynamics...
Exclusive processes, such as diffractive production of vector mesons, γp → V p with V = ρ, ω, φ, J/ψ, ψ,Υ, and Deeply Virtual Compton Scattering (DVCS), γp → γ p, shown in Figure 1, have been extensively studied at HERA. The variables that describe the exclusive process are (Figure 1): the mass of the vector meson, M , the photon virtuality, Q, the four-momentum transfer squared at the proton v...
Vector quantization (VQ) using exhaustive nearest neighbor (NN) search is the speed bottleneck in classic bag of visual words (BOV) models. Approximate NN (ANN) search methods still cost great time in VQ, since they check multiple regions in the search space to reduce VQ errors. In this paper, we propose ExVQ, an exclusive NN search method to speed up BOV models. Given a visual descriptor, a po...
Exclusive and semi-exclusive processes, the diffractive dissociation of hadrons into jets, and hard diffractive processes such as vector meson leptoproduction provide new testing grounds for QCD and essential information on the structure of light-cone wavefunctions of hadrons, particularly the pion distribution amplitude. I review the basic features of the leading-twist QCD predictions and the ...
Hospital Patient Scheduling is an inherently distributed problem because of the way real hospitals are organized. As medical procedures have become more complex, and their associated tests and treatments have become interrelated, the current ad hoc patient scheduling solutions have been observed to break down [23]. We propose a multi-agent solution using the Generalized Partial Global Planning ...
backgroundalthough exclusive breastfeeding (ebf) is highly emphasized by the experts, nulliparous women do not adhere to this behavior at a desirable level. since it seems that mothers’ beliefs and values play an important role in their adherence to these behaviors, the present study, aimed to perform a careful analysis of the behavior and evaluation of factors associated with the ebf in nullip...
Background: Exclusive breastfeeding (EBF) is recommended the first six months after birth as one of cost effective interventions in saving children's lives. Objective: To determine the prevalence of exclusive breastfeeding and describe the common foods introduced to infants before 6months. Design: A prospective cohort study. Setting: Poor community of Moshi urban, Kilimanjaro region, Tanzania. ...
The exclusive Υ photoproduction, γ p → Υp, has been studied with the ZEUS experiment in ep collisions at HERA using an integrated luminosity of 468 pb−1. The measurement covers the kinematic range 60 < W < 220 GeV and Q2 < 1 GeV2, where W is the photon-proton centre-ofmass energy and Q2 is the photon virtuality. These results, which represent the analysis of the full ZEUS data sample for this c...
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