نتایج جستجو برای: cross section data

تعداد نتایج: 2848644  

Journal: :Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 2015

Journal: :Journal of Physics G 2022

Abstract We perform a comprehensive analysis of complete fusion cross section data with the aim to derive, in completely data-driven way, model suitable predict integrated between light-to-medium mass nuclei at above barrier energies. To this end, we adopted novel artificial intelligence approach, based on hybridization genetic programming and neural networks, capable derive an analytical for d...

Journal: :Journal of Radioanalytical and Nuclear Chemistry 2022

Abstract The IAEA Nuclear Data Section has coordinated several actions to setup and improve a database for recommended cross sections nuclear decay data various charged-particle reactions that can be used medical radionuclide production. Some of the earlier evaluations did not provide uncertainties sections. Updated with uncertainty quantification 25 relevant production 67 Cu, 103 Pd, 102mg Rh,...

1995
M. Strikman V. Guzey

The differential cross-section of inelastic coherent diffractive dissociation off nuclei p + 4 He → X + 4 He is expressed in terms of the relative cumulants of the cross-section distribution P N (σ). The theoretical result for the ratio r = dσ dif f dt pHe t=0 dσ dif f dt pp t=0 = 6.8 ÷ 7.6 is close to the value r = 7.1 ± 0.7 which we extracted from the FNAL data. These are the only A > 2 data ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

a one dimensional dynamic model for a riser reactor in a fluidized bed catalytic cracking unit (fccu) for gasoil feed has been developed in two distinct conditions, one for industrial fccu and another for fccu using various frequencies of microwave energy spaced at the height of the riser reactor (fccu-mw). in addition, in order to increase the accuracy of component and bulk diffusion, instanta...

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