Başlık için Fizik Bölümü listeleme
Toplam kayıt 222, listelenen: 146-165
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Neutron Production Cross-Section and Geant4 Calculations of the Structural Fusion Material Co-59 for (alpha,xn) and (gamma,xn) Reactions
(Springer, 2015)Recent advances in technology and computer sciences give us simplicity to investigate phenomena of nuclear physics. Scientists have improved various nuclear reaction codes such as Talys, Alice/ASH, Cem95, Empire, Geant4 ... -
A new approach to the effect of elastic distortions produced by dislocation loops in an infinite anisotropic medium on Moire fringes
(Wiley-V C H Verlag Gmbh, 2001)The elastic distortion fields, and their Taylor's series expansions, produced by the discrete elliptical dislocation loop in an infinitely extended, elastically homogeneous and anisotropic medium are derived by using the ... -
New calculation for some ground state features of 40ca, 48ca 32s and 39k nuclei
(World Scientific Publ Co Pte Ltd, 2010)Some ground states features of S-32, K-39, Ca-40 and Ca-48 nuclei are investigated using the Hartree-Fock method with the Skyrme SKM* and SLy4 forces calculated in two different code implementations. The calculated total ... -
New calculation method for initial exciton numbers on nucleon induced pre-equilibrium reactions
(Amer Physical Soc, 2008)In this study, we investigate the pre-equilibrium effect by using new evaluated geometry dependent hybrid model for the 208 Ph (p, xn) reaction at 25.5 and 62.9 MeV incident proton energies. We also suggest that the initial ... -
New calculation of excitation functions of proton-induced reactions in some medical isotopes of Cu, Zn and Ga
(Pergamon-Elsevier Science Ltd, 2007)The new calculations on the excitation functions of Ni-61(p,n)Cu-61, Ni-62(p,n)Cu-62, Ni-64(p,n)Cu-64, Cu-61(p,2n)Zn-62, Cu-63(p,n)Zn-63, Cu-65(p,n)Zn-65, Zn-66(p,n)Ga-66, Zn-67(p,2n)Ga-66, Zn-67(p,n)Ga-67 and Zn-68(p,n)Ga-68 ... -
New calculations of excitation functions of some positron emitting and single photon emitting radioisotopes
(Carl Hanser Verlag, 2008)In this study, new calculations of the excitation functions of (56)Fe(p,2n)(55)Co, (58)Fe(p,2n)(57)Co, (60)Ni(pn)(60)Ca, (62)Ni(p,2n)(61)Cu, (68)Zn (p,2n)(67)Ga, (72)Ge(p,n)(72)As, (82)Kr(p,2n)(81)Rb, (124)Xe(p,2n)(123)Cs, ... -
A New Comparison of Empirical and Semi-empirical Formulae for the (n, 3He) Reaction Cross-sections at 14–15 MeV
(Springer, 2008)New empirical and semi-empirical formulae have been suggested for the (n, He-3) reaction cross-sections with dependent on asymmetry parameter, S = (N - Z)/A. The (n, He-3) reaction cross-sections at the energy of 14-15 MeV ... -
A new empirical formula for 14-15 MeV neutron-induced (n, p) reaction cross sections
(Iop Publishing Ltd, 2003)In this study, we have suggested a new empirical formula to reproduce the cross sections of the (n, p) reactions at 14-15 MeV for the neutron incident energy. This formula obtained using the asymmetry parameters represents ... -
New empirical formula for calculating (n, p) reaction cross-sections at 14.5 MeV neutrons
(WORLD SCIENTIFIC PUBL CO PTE LTD, 2020)An empirical formula to calculate the (n, p) reaction cross-sections for 14.5 MeV neutrons for 183 target nuclei in the range 44 <= A <= 212 is presented. Evaluated cross-section data from TENDL nuclear data library were ... -
Nuclear structure and weak rates of heavy waiting point nuclei under rp-process conditions
(Springer, 2017)The structure and the weak interaction mediated rates of the heavy waiting point (WP) nuclei Zr-80, Mo-84, Ru-88, Pd-92 and Cd-96 along N = Z line were studied within the interacting boson model-1 (IBM-1) and the proton-neutron ... -
Nuclear structure properties and stellar weak rates for Se-76: Unblocking of the Gamow Teller strength
(Elsevier Science Bv, 2017)At finite temperatures (>= 10(7)K), Se-76 is abundant in the core of massive stars and electron capture on Se-76 has a consequential role to play in the dynamics of core-collapse. The present work may be classified into ... -
Nuclear structure properties of even-even chromium isotopes and the effect of deformation on calculated electron capture cross sections
(ELSEVIER, 2020)In this study, we investigate the role of the nuclear deformation on the calculated electron capture cross section (ECC) of even-even chromium (Cr) isotopes. We first determined the nuclear structure properties of these ... -
Numerical thickness optimization study of CIGS based solar cells with wxAMPS
(Elsevier Gmbh, 2016)In this paper, a numerical investigation of the effects of thickness of absorber and buffer layers for a typical CIGS based solar cell was carried out for the first time, employing the wxAMPS software which is a new ... -
Odd nuclei and shape phase transitions: the role of the unpaired fermion
(World Scientific Publ Co Pte Ltd, 2011)Shape phase transitions in even and odd systems are reviewed within the frameworks of the Interacting Boson Model(IBM) and the Interacting Boson Fermion Model(IBFM), respectively and compared with geometric models when ... -
(p,α) Reaction Cross Sections Calculations of Fe and Ni Target Nuclei Using New Developed Semi-empirical Formula
(Springer, 2013)Iron (Fe) and nickel (Ni) are important fusion structural materials in reactor technology. The gas production in the metallic structure arising from many different types of nuclear reactions has been a significant damage ... -
The parametrizetion of woodcock potential using Hildebrand approximation and calculation of cohesive energies of NaCI-structure alkali halides
(2001)Bu çalışmada, Woodcock potansiyeli Hildebrand hal denklemleri yardımıyla parametrize edilerek gerekli parametreler hesaplandı.Bu potansiyel de itici enerji kısmı Born-Lande ve Born-Mayer , itici potansiyel formlarının ... -
Photo-neutron cross-section calculations of 142,143,144,145,146,150Nd rare-earth isotopes for (γ, n) reaction
(Pleiades Publishing Inc, 2014)The theoretical photo-neutron cross sections for (gamma, n) reaction have been calculated on <SUP>142,143,144,145,146,150</SUP>Nd rare-earth isotopes at photon energies of 8-23 MeV using the PCROSS, TALYS 1.2, and EMPIRE ... -
Physical Properties of Martensitic Phase Transformations in Fe - 18.79%Mn-4.53%Ni Alloys
(2016)Bu çalışmada, Fe-%18,79Mn-%4,53Ni alaşımında termal etki ile oluşturulan martensitik faz dönüşümlerinin kristalografik ve manyetik özellikleri araştırıldı. Taramalı Elektron Mikroskobu (SEM) ile termal etkili martensitelerin ... -
Poly[[diaquacaesium(II)]bis(μ3-3-carboxypyrazine-2-carboxylato)]. Corrigendum
(Blackwell Publishing, 2008)… -
Poly[diaqua(μ2-3-carboxypyrazine2-carboxylato)(μ2-pyrazine-2,3-dicarboxylic acid)potassium(I)]
(Blackwell Publishing, 2008)The structural unit of the title compound, [K(C6H3N2O4)(C6H4N2O4)(H2O)(2)](n), consists of one potassium cation, one hydrogen pyrazine-2,3-dicarboxylate anion, one pyrazine-2,3dicarboxylic acid molecule and two water ...