Browsing Research publications by Author "Fulop, Zs."

Now showing items 1-20 of 20

    • alpha-induced cross sections of Cd-106 for the astrophysical p process 

      Gyurky, Gy.; Kiss, G. G.; Elekes, Z.; Fulop, Zs.; Somorjai, E.; Palumbo, A.; Gorres, J.; Lee, H. Y.; Rapp, W.; Wiescher, M.; Ozkan, N.; Guray, R. T.; Efe, G.; Rauscher, T. (2006-08)
      The Cd-106(alpha,gamma)Sn-110 reaction cross section has been measured in the energy range of the Gamow window for the astrophysical p-process scenario. The cross sections for Cd-106(alpha,n)Sn-109 and for Cd-106(alpha,p)In-109 ...

    • alpha-nucleus potentials and photon-induced nucleosynthesis 

      Galaviz, D.; Babilon, M.; Fulop, Zs.; Gyurky, Gy.; Hillier, R.; Mate, Z.; Mohr, P.; Rauscher, T.; Somorjai, E.; Zilges, A.; Zolnai, L. (2003-05-05)
      New data for the Sn-112,Sn-12 4(alpha,alpha) (112,124) Sn reaction have been measured and are presently analyzed. Results of the Sn-112 circle times alpha potential at the energy Ec.m approximate to 14 MeV are presented. ...

    • Comparison of experimental and calculated S-factors of the p-process reaction Sm-144(alpha,gamma)Gd-148 

      Somorjai, E.; Fulop, Zs.; Kiss, A.Z.; Rolfs, C.E.; Trautvetter, H.P.; Greife, U.; Junker, M.; Goriely, S.; Arnould, M.; Rayet, M.; Rauscher, T.; Oberhummer, H. (IOP Publishing Ltd., 1998)
      The cross section of the Sm-144(alpha,gamma)Gd-148 reaction has been measured at bombarding energies in the 10.5 - 13.4 MeV range using an activation method based on the off-line alpha-activity measurement of the Gd-148 ...

    • A comprehensive study of the Cd-106(alpha, gamma)Sn-110 reaction at energies relevant to the p-process 

      Gyurky, Gy.; Fulop, Zs.; Kiss, G.; Mate, Z.; Somorjai, E.; Gorres, J.; Palumbo, A.; Wiescher, M.; Galaviz, D.; Kretschmer, A; Sonnabend, K.; Zilges, A.; Rauscher, T. (2005-07-25)
      In order to test the reliability of reaction rate calculations in the framework of the Hauser-Feshbach statistical model, the cross sections of Cd-106(alpha,gamma)Sn-110 radiative capture reaction were determined in the ...

    • Determination of a-nucleus potentials by alpha-elastic scattering and its implications for the gamma-process 

      Galaviz, D.; Babilon, M.; Fulop, Zs.; Gyurky, Gy.; Mate, Z.; Hillier, R.; Mohr, P.; Rauscher, T.; Somorjai, E.; Zilges, A.; Zolnai, L. (2003-05-19)
      Complete angular distributions for the reactions Sn-112,Sn-124(alpha,alpha)(112,124) Sn have been measured at different energies around the Coulomb barrier. Preliminary results for the Sn-112 circle times alpha and Sn-124 ...

    • Elastic alpha scattering on Sn-112 and Sn-124 at astrophysically relevant energies 

      Galaviz, D.; Fulop, Zs.; Gyurky, Gy.; Mate, Z.; Mohr, P.; Rauscher, T.; Somorjai, E.; Zilges, A. (2005-06)
      The cross sections for the elastic scattering reactions Sn-112,Sn-124(alpha,alpha)Sn-112,Sn-124 at energies above and below the Coulomb barrier are presented and compared to predictions for global alpha-nucleus potentials. ...

    • Elastic alpha-scattering on proton rich nuclei at astrophysically relevant energies 

      Fulop, Zs.; Galaviz, D.; Gyurky, Gy.; Kiss, G. G.; Mate, Z.; Mohr, P.; Rauscher, T.; Somorjai, E.; Zilges, A. (American Institute of Physics (AIP), 2006)
      In order to improve the reliability of statistical model calculations in the region of heavy proton rich nuclei several elastic alpha scattering experiments have been carried out at low bombarding energies on various ...

    • Experimental cross section of Sm-144(alpha, gamma)Gd-148 and implications for the p-process 

      Somorjai, E.; Fulop, Zs.; Kiss, A.Z.; Rolfs, C.E.; Trautvetter, H.P.; Greife, U.; Junker, M.; Goriely, S.; Arnould, M.; Rayet, M.; Rauscher, T.; Oberhummer, H. (1998-05-20)
      The cross section of the Sm-144(alpha, gamma) Gd-148 reaction has been measured at bombarding energies in the 10.5-13.4 MeV range using an activation method based on the off-line alpha-activity measurement of the Gd-148 ...

    • Ge-70(alpha,gamma)Se-74 cross section measurements at energies of astrophysical interest 

      Fulop, Zs.; Kiss, A.Z.; Somorjai, E.; Rolfs, C.E.; Trautvetter, H.P.; Rauscher, T.; Oberhummer, H. (1996-07)
      The cross section of the reaction Ge-70(alpha, gamma)Se-74 has been measured over the bombarding energy range of 5.05 MeV <E(alpha) <7.80 MeV using single and coincidence gamma spectroscopy techniques. The experimental ...

    • High precision 113In(α,α)113In elastic scattering at energies near the Coulomb barrier for the astrophysical γ process 

      Kiss, G. G.; Mohr, P.; Fulop, Zs.; Rauscher, T.; Gyurky, Gy.; Szücs, Tamas; Halasz, Z.; Somorjai, E.; Ornelas, A.; Yalcin, C.; Guray, R. T.; Ozkan, N. (2013-10-28)
      Background: The γ process in 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 γ process reaction network studies ...

    • Mo-92(alpha,alpha)Mo-92 scattering, the Mo-92-alpha optical potential, and the Ru-96(gamma,alpha)Mo-92 reaction rate at astrophysically relevant energies 

      Fulop, Zs.; Gyurky, Gy.; Mate, Z.; Somorjai, E.; Zolnai, L.; Galaviz, D.; Babilon, M.; Mohr, P.; Zilges, A.; Rauscher, T.; Oberhummer, H.; Staudt, G. (2001-12)
      The elastic scattering cross section of (MO)-M-92(alpha,alpha)Mo-92 has been measured at energies of E-c.m. approximate to 13, 16, and 19 MeV in a wide angular range. The real and imaginary parts of the optical potential ...

    • 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 Sr isotopes and their importance for nucleosynthesis of proton-rich nuclides 

      Gyurky, Gy.; Somorjai, E.; Fulop, Zs.; Harissopulos, S.; Demetriou, P.; Rauscher, T. (2001-12)
      The (p,gamma) cross sections of three stable Sr isotopes haven been measured in the astrophysically relevant energy range. These reactions are important for the p process in stellar nucleosynthesis and, in addition, the ...

    • 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 ...

    • Proton induced reaction cross section measurements on Se isotopes for the astrophysical p process 

      Gyurky, Gy.; Fulop, Zs.; Somorjai, E.; Kokkoris, M.; Galanopoulos, S.; Demetriou, P.; Harissopulos, S.; Rauscher, T.; Goriely, S. (2003-11)
      As a continuation of a systematic study of reactions relevant to the astrophysical p process, the cross sections of the Se-74,Se-76(p,gamma) Br-75,Br-77 and Se-82(p,n) Br-82 reactions have been measured at energies from ...

    • 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, 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 ...

    • The reaction Ge-70(alpha,gamma)Se-74 (p-process) 

      Fulop, Zs.; Kiss, A.Z.; Somorjai, E.; Rolfs, C.E.; Trautvetter, H.P.; Rauscher, T.; Oberhummer, H. (American Institute of Physics (AIP), 1995)

    • Se(p,gamma) cross section measurements for p-process studies 

      Gyurky, Gy.; Fulop, Zs.; Somorjai, E.; Elekes, Z.; Kokkoris, M.; Galanopulos, S.; Demetriou, P.; Harissopulos, S.; Goriely, S.; Rauscher, T. (2003-05-05)
      As a continuation of a systematic study of reactions relevant to astrophysical p-process, the (p, gamma) or (p, n) cross sections of three Se isotopes have been measured using all activation technique in the proton energy ...

    • Se(p,gamma) cross section measurements for p-process studies 

      Gyurky, Gy.; Fulop, Zs.; Somorjai, E.; Kokkoris, M.; Galanopulos, S.; Demetriou, P.; Harissopulos, S.; Goriely, S.; Rauscher, T. (World Scientific Publishing, 2003)
      As a continuation of a systematic study of reactions relevant to astrophysical p-process, the (p,gamma) or (p,n) cross sections of three Se isotopes have been measured using an activation technique in the proton energy ...

    • Sm-144-alpha optical potential at astrophysically relevant energies derived from Sm-144(alpha,alpha) Sm-144 elastic scattering 

      Mohr, P.; Rauscher, T.; Oberhummer, H.; Mate, Z.; Fulop, Zs.; Somorjai, E.; Jaeger, M.; Staudt, G. (1997-03)
      For the determination of the Sm-144-alpha optical potential we measured the angular distribution bf Sm-144(alpha, alpha)Sm-144 scattering at the energy E(lab)=20 MeV with high accuracy. Using the known systematics pf ...