Browsing by Author "Kiss, G. G."

Now showing items 21-30 of 30

    • Investigation of alpha-induced reactions on I-127 for the astrophysical gamma process 

      Kiss, G. G.; Szuecs, T.; Toeroek, Zs.; Korkulu, Z.; Gyuerky, Gy.; Halasz, Z.; Fueloep, Zs.; Somorjai, E.; Rauscher, T. (2012-09-04)
      Background: The. process in core-collapse supernova explosions is thought to explain the origin of proton-rich isotopes between Se and Hg, the so-called p nuclei. The majority of the reaction rates for gamma process reaction ...

    • Investigation of proton-induced reactions on Germanium isotopes 

      Kiss, G. G.; Gyuerky, Gy.; Elekes, Z.; Fueloep, Zs.; Somorjai, E.; Rauscher, T.; Wiescher, M. (2008-01)
      The cross sections of the (70)Ge(p,gamma)(71)As and (76)Ge(p, n)(76)As reactions have been measured in the energy range relevant for the astrophysical p-process (1.6-4.4 MeV). The proton beam was provided by the Van de ...

    • 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 alpha-induced reaction cross sections on erbium isotopes for γ process studies 

      Kiss, G. G.; Szücs, T.; Török, Z.; Fülöp, Z.; Gyürky, G.; Halász, Z.; Somorjai, E.; Rauscher, T. (American Institute of Physics (AIP), 2014-05-02)
      The cross sections of the 162Er(α,γ)166Yb and 162,164,166Er(α,n)165,167,169Yb reactions have been measured at MTA Atomki. The radiative alpha capture reaction cross section was measured between Ec.m. = 11.21 MeV and Ec.m. ...

    • Odd p isotope In-113 : Measurement of alpha-induced reactions 

      Yalcin, C.; Guray, R. T.; Ozkan, N.; Kutlu, S.; Gyurky, Gy.; Farkas, J.; Kiss, G. G.; Fulop, Zs.; Simon, A.; Somorjai, E.; Rauscher, T. (2009-06)
      One of the few p nuclei with an odd number of protons is In-113. Reaction cross sections of In-113(alpha,gamma)Sb-117 and In-113(alpha,n)Sb-116 have been measured with the activation method at center-of-mass energies between ...

    • Proton capture cross-section of Cd-106,Cd-108 for the astrophysical p-process 

      Gyurky, Gy.; Kiss, G. G.; Elekes, Z.; Fulop, Zs.; Somorjai, E.; Rauscher, T. (2007-05)
      The proton capture cross-sections of the two most proton-rich, stable isotopes of cadmium have been measured for the first time in the energy range relevant to the astrophysical p-process between E-p = 2.4 and 4.7 MeV. The ...

    • Radiative capture reactions and alpha-elastic scattering on Cd-106 for the astrophysical p-process 

      Gyurky, Gy.; Elekes, Z.; Kiss, G. G.; Fulop, Zs.; Somorjai, E.; Mate, Z.; Goerres, J.; Palumbo, A.; Wiescher, A.; Lee, H.Y.; Ozkan, N.; Guray, R. T.; Efe, G.; Galaviz, D.; Kretschmer, A.; Sonnabend, K.; Zilges, A.; Rauscher, T. (American Institute of Physics (AIP), 2006)
      In the present work both the (alpha,gamma) and (p,gamma) cross sections on the p-nucleus Cd-106 have been measured in the energy range relevant to the astrophysical p-process. The results are compared with the predictions ...

    • Suppression of the stellar enhancement factor and the reaction Rb-85(p, n)Sr-85 

      Rauscher, T.; Kiss, G. G.; Gyuerky, Gy.; Simon, A.; Fueloep, Zs.; Somorjai, E. (2009-09)
      It is shown that a Coulomb suppression of the stellar enhancement factor occurs in many endothermic reactions at and far from stability. Contrary to common assumptions, reaction measurements for astrophysics with minimal ...

    • 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 ...