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Browsing University of Hertfordshire by Author "Gyürky, Gy"
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The 106Cd(α, α)106Cd elastic scattering in a wide energy range for γ process studies
Ornelas, A.; Kiss, G. G.; Mohr, P.; Galaviz, D.; Fülöp, Zs; Gyürky, Gy; Máté, Z.; Rauscher, T.; Somorjai, E.; Sonnabend, K.; Zilges, A. (2015-08-01)Alpha elastic scattering angular distributions of the <sup>106</sup>Cd(α, α)<sup>106</sup>Cd reaction were measured at three energies around the Coulomb barrier to provide a sensitive test for the α + nucleus optical ... -
Cross section measurements for γ-process studies using a LEPS detector
Szücs, T.; Kiss, G. G.; Rauscher, T.; Török, Zs; Halász, Z.; Fülöp, Zs; Gyürky, Gy; Somorjai, E. (2016-01-05)In this paper we present the ongoing experiments at ATOMKI related to our systematic γ-process studies. These studies are intended to enlarge the limited experimental database from α-induced reactions on nuclei in the ... -
Cross section of α-induced reactions on iridium isotopes obtained from thick target yield measurement for the astrophysical γ process
Szücs, T.; Kiss, G. G.; Gyürky, Gy; Halász, Z.; Fülöp, Zs; Rauscher, T. (2018-01-10)The stellar reaction rates of radiative α-capture reactions on heavy isotopes are of crucial importance for the γ process network calculations. These rates are usually derived from statistical model calculations, which ... -
Experimental study of the astrophysical γ -process reaction Xe 124 (α,γ) Ba 128
Halász, Z.; Somorjai, E.; Gyürky, Gy; Elekes, Z.; Fülöp, Zs; Szücs, T.; Kiss, G. G.; Szegedi, N. T.; Rauscher, T.; Görres, J.; Wiescher, M. (2016-10-10)Background: The synthesis of heavy, proton rich isotopes in the astrophysical γ process proceeds through photodisintegration reactions. For the improved understanding of the process, the rates of the involved nuclear ... -
Investigation of Alpha-Induced Reactions on 107Ag at Astrophysical Energies
Yalçin, C.; Özkan, N.; Güray, R. T.; Gyürky, Gy; Kiss, G. G.; Szücs, T.; Haiász, Z.; Fülöp, Zs; Farkas, J.; Somorjai, E.; Korkulu, Z.; Rauscher, T. (2016-01-05)Cross sections of the 107Ag(α, γ)111In and 107Ag(α,n)110In reactions have been measured with the activation method at effective center-of-mass energies between 7.79 MeV and 12.00 MeV close to the astrophysical energy range. ... -
Investigation of α -induced reactions on Sb isotopes relevant to the astrophysical γ process
Korkulu, Z.; Özkan, N.; Kiss, G. G.; Szücs, T.; Gyürky, Gy; Fülöp, Zs; Güray, R. T.; Halász, Z.; Rauscher, T.; Somorjai, E.; Török, Zs; Yalçln, C. (2018-04-16)Background: The reaction rates used in γ-process nucleosynthesis network calculations are mostly derived from theoretical, statistical model cross sections. Experimental data is scarce for charged particle reactions at ... -
Measurement of (α,n) reaction cross sections of erbium isotopes for testing astrophysical rate predictions
Kiss, G. G.; Szücs, T.; Rauscher, T.; Török, Zs; Csedreki, L.; Fülöp, Zs; Gyürky, Gy; Halász, Z. (2015-05-01)The γ-process in core-collapse and/or type Ia supernova explosions is thought to explain the origin of the majority of the so-called p nuclei (the 35 proton-rich isotopes between Se and Hg). Reaction rates for γ-process ... -
Measurement of the 91 Zr(p, γ ) 92 m Nb cross section motivated by type Ia supernova nucleosynthesis
Gyürky, Gy; Halász, Z; Kiss, G G; Szücs, T; Huszánk, R; Török, Zs; Fülöp, Zs; Rauscher, T; Travaglio, C (2021-09-14)Abstract: The synthesis of heavy, proton rich isotopes is a poorly understood astrophysical process. Thermonuclear (type Ia) supernova explosions are among the suggested sites and the abundance of some isotopes present in ... -
Measurements of Gd 152 (p,γ) Tb 153 and Gd 152 (p,n) Tb 152 reaction cross sections for the astrophysical γ process
Güray, R. T.; Özkan, N.; Yalçln, C.; Rauscher, T.; Gyürky, Gy; Farkas, J.; Fülöp, Zs; Halász, Z.; Somorjai, E. (2015-05-29)The total cross sections for the Gd152(p,γ)Tb153 and Gd152(p,n)152Tb reactions have been measured by the activation method at effective center-of-mass energies 3.47≤Ec.m.eff≤7.94 MeV and 4.96≤Ec.m.eff≤7.94 MeV, respectively. ... -
Test of statistical model cross section calculations for α -induced reactions on Ag 107 at energies of astrophysical interest
YalçIn, C.; Gyürky, Gy; Rauscher, T.; Kiss, G. G.; Özkan, N.; Güray, R. T.; Halász, Z.; Szücs, T.; Fülöp, Zs; Farkas, J.; Korkulu, Z.; Somorjai, E. (2015-03-16)Background: Astrophysical reaction rates, which are mostly derived from theoretical cross sections, are necessary input to nuclear reaction network simulations for studying the origin of p nuclei. Past experiments have ...