Browsing by Author "Trache, L."

Now showing items 1-20 of 50

    • Astrophysical S factor for Be-9(p,gamma)B-10 
      Sattarov, A.; Mukhamedzhanov, AM; Azhari, A.; Gagliardi, Carl A.; Trache, L.; Tribble, Robert E. (American Physical Society, 1999)
      The Be-9(p, gamma) B-10 reaction plays an important role in primordial and stellar nucleosynthesis of light elements in the p shell, but the energy dependence of S(E) has not been well understood. We reanalyze the existing ...
    • Astrophysical S factor for C-13(p,gamma)N-14 and asymptotic normalization coefficients 
      Mukhamedzhanov, AM; Azhari, A.; Burjan, V.; Gagliardi, Carl A.; Kroha, V.; Sattarov, A.; Tang, X.; Trache, L.; Tribble, Robert E. (American Physical Society, 2002)
      We reanalyze the C-13(p,gamma)N-14 radiative capture reaction within the R-matrix approach. The low-energy astrophysical S factor has important contributions from both resonant and onresonant captures. The normalization ...
    • Astrophysical S factor for the radiative capture (12)N(p,gamma)(13)O determined from the (14)N((12)N,(13)O)(13)C proton transfer reaction 
      Banu, A.; Al-Abdullah, T.; Fu, C.; Gagliardi, Carl A.; McCleskey, M.; Mukhamedzhanov, A. M.; Tabacaru, G.; Trache, L.; Tribble, Robert E.; Zhai, Y.; Carstoiu, F.; Burjan, V.; Kroha, V. (American Physical Society, 2009)
      The cross section of the radiative proton capture reaction on the drip line nucleus (12)N was investigated using the asymptotic normalization coefficient (ANC) method. We have used the (14)N((12)N,(13)O)(13)C proton transfer ...
    • Astrophysical S(E) factor of the (15)N(p, alpha)(12)C reaction at sub-Coulomb energies via the Trojan horse method 
      La Cognata, M.; Romano, S.; Spitaleri, C.; Cherubini, S.; Crucilla, V.; Gulino, M.; Lamia, L.; Pizzone, R. G.; Tumino, A.; Tribble, Robert E.; Fu, Changbo; Goldberg, V. Z.; Mukhamedzhanov, A. M.; Schmidt, D.; Tabacaru, G.; Trache, L.; Irgaziev, B. F. (American Physical Society, 2007)
      The low-energy bare-nucleus cross section for (15)N(p, alpha)(12)C is extracted by means of the Trojan horse method applied to the (2)H((15)N,alpha(12)C)n reaction at E(beam) = 60 MeV. For the first time we applied the ...
    • Asymptotic Normalization Coefficient of 8 B from Breakup Reactions and the S 17 Astrophysical Factor 
      Trache, L.; Carstoiu, F.; Gagliardi, C. A.; Tribble, R. E. (Physical Review Letters, 2001)
    • Asymptotic normalization coefficients and the Be-7(p, gamma)B-8 astrophysical S factor 
      Azhari, A.; Burjan, V.; Carstoiu, F.; Gagliardi, Carl A.; Kroha, V.; Mukhamedzhanov, AM; Nunes, FM; Tang, X.; Trache, L.; Tribble, Robert E. (American Physical Society, 2001)
      We consider the results of two proton transfer reactions, B-10(Be-7, B-8)Be-9 and N-14(Be-7, B-8)C-13, to obtain a weighted average of the measured asymptotic normalization coefficients for the virtual transition 7Be +pB-8. ...
    • Asymptotic normalization coefficients for B-10->Be-9+p 
      Mukhamedzhanov, AM; Clark, HL; Gagliardi, Carl A.; Lui, YW; Trache, L.; Tribble, Robert E.; Xu, HM; Zhou, XG; Burjan, V.; Cejpek, J.; Kroha, V.; Carstoiu, F. (American Physical Society, 1997)
      The differential cross sections for the reactions Be-9(B-10, B-10)Be-9 and Be-9(B-10,Be-9)B-10 have been measured at an incident energy of 100 MeV. The elastic scattering data have been used to determine the optical model ...
    • Asymptotic normalization coefficients for B-8 -> Be-7+p from a study of Li-8 -> Li-7+n 
      Trache, L.; Azhari, A.; Carstoiu, F.; Clark, HL; Gagliardi, Carl A.; Lui, YW; Mukhamedzhanov, AM; Tang, X.; Timofeyuk, N.; Tribble, Robert E. (American Physical Society, 2003)
      Asymptotic normalization coefficients (ANCs) for Li-8-->Li-7+n have been extracted from the neutron transfer reaction C-13(Li-7,Li-8)C-12 at 63 MeV. These are related to the ANCs in B-8-->Be-7 + p using charge symmetry. ...
    • Asymptotic normalization coefficients for C-13+p -> N-14 
      Trache, L.; Azhari, A.; Clark, HL; Gagliardi, Carl A.; Lui, YW; Mukhamedzhanov, AM; Tribble, Robert E.; Carstoiu, F. (American Physical Society, 1998)
      The C-13(N-14,C-13)N-14 proton exchange reaction has been measured at an incident energy of 162 MeV. Angular distributions were obtained for proton transfer to the ground and low-lying excited states in N-14. Elastic ...
    • ''Bare'' single-particle energies in Ni-56 
      Trache, L.; Kolomiets, A.; Shlomo, S.; Heyde, K.; Dejbakhsh, H.; Gagliardi, Carl A.; Tribble, Robert E.; Zhou, XG; Jacob, VE; Oros, AM. (American Physical Society, 1996)
      The structure of the low-lying levels in the mirror nuclei Ni-57 and Cu-57 is described within the extended unified model. The problem of single-particle energies in Ni-56 is treated in detail. ''Bare'' single-particle ...
    • Beta decay of Ga-62 
      Hyman, BC; Iacob, VE; Azhari, A.; Gagliardi, Carl A.; Hardy, John C.; Mayes, VE; Neilson, RG; Sanchez-Vega, M.; Tang, X.; Trache, L.; Tribble, Robert E. (American Physical Society, 2003)
      We report a study of the beta decay of Ga-62, whose dominant branch is a superallowed 0(+)-->0(+) transition to the ground state of Zn-62. We find the total half-life to be 115.84+/-0.25 ms. This is the first time that the ...
    • Beta decay of proton-rich nucleus Al-23 and astrophysical consequences 
      Iacob, V. E.; Zhai, Y.; Al-Abdullah, T.; Fu, C.; Hardy, John C.; Nica, N.; Park, H. I.; Tabacaru, G.; Trache, L.; Tribble, Robert E. (American Physical Society, 2006)
      We present the first study of the beta decay of Al-23 undertaken with pure samples. The study was motivated by nuclear astrophysics questions. Pure samples of Al-23 were obtained from the momentum achromat recoil separator ...
    • Branching ratios for the beta decay of Na-21 
      Iacob, V. E.; Hardy, John C.; Gagliardi, Carl A.; Goodwin, J.; Nica, N.; Park, H. I.; Tabacaru, G.; Trache, L.; Tribble, Robert E.; Zhai, Y.; Towner, I. S. (American Physical Society, 2006)
      We have measured the beta-decay branching ratio for the transition from Na-21 to the first excited state of Ne-21. A recently published test of the standard model, which was based on a measurement of the beta-nu correlation ...
    • Breakup of B-8 and the S-17 astrophysical factor reexamined 
      Trache, L.; Carstoiu, F.; Gagliardi, Carl A.; Tribble, Robert E. (American Physical Society, 2004)
      Existing experimental data for the breakup of B-8 at energies from 30 to 1000 MeV/nucleon on light through heavy targets are analyzed in detail in terms of an extended Glauber model. The predictions of the model are in ...
    • Complete correlation studies of two-proton decays: 6Be and 45Fe 
      Grigorenko, L.V.; Wiser, T.D.; Miernik, K.; Charity, R.J.; Pfützner, M.; Banu, A.; Bingham, C.R.; Ćwiok, M.; Darby, I.G.; Dominik, W.; Elson, J.M.; Ginter, T.; Grzywacz, R.; Janas, Z.; Karny, M.; Korgul, A.; Liddick, S.N.; Mercurio, K.; Rajabali, M.; Rykaczewski, K.; Shane, R.; Sobotka, L.G.; Stolz, A.; Trache, L.; Tribble, R.E.; Wuosmaa, A.H.; Zhukov, M.V. (Physics Letters, B, 2009)
    • Continuum spectroscopy with a (10)C beam: Cluster structure and three-body decay 
      Charity, R. J.; Wiser, T. D.; Mercurio, K.; Shane, R.; Sobotka, L. G.; Wuosmaa, A. H.; Banu, A.; Trache, L.; Tribble, Robert E. (American Physical Society, 2009)
      Resonance-decay spectroscopy is used to study particle-unbound excited states produced in interactions of E/A=10.7 MeV (10)C on Be and C targets. After inelastic scattering, structures associated with excited states in ...
    • Correlated two-proton decay from (10)C 
      Mercurio, K.; Charity, R. J.; Shane, R.; Sobotka, L. G.; Elson, J. M.; Famiano, M.; Wuosmaa, A. H.; Banu, A.; Fu, C.; Trache, L.; Tribble, Robert E.; Mukhamedzhanov, A. M. (American Physical Society, 2008)
      The decay of (10)C excited states to the 2p + 2 alpha exit channel has been studied using inelastic excitation of a secondary (10)C beam. The decay sequences leading to the 2p + 2 alpha final state are determined for the ...
    • Coulomb distortion and medium corrections in nucleon-removal reactions 
      Karakoc, M.; Banu, A.; Bertulani, C. A.; Trache, L. (Physical Review C - Nuclear Physics, 2013)
    • Decay of C-10 excited states above the 2p+2 alpha threshold and the contribution from "democratic" two-proton emission 
      Charity, R. J.; Mercurio, K.; Sobotka, L. G.; Elson, J. M.; Famiano, M.; Banu, A.; Fu, C.; Trache, L.; Tribble, Robert E. (American Physical Society, 2007)
      The decay of C-10 excited states to the 2p+2 alpha exit channel has been studied using an E/A=10.7 MeV C-10 beam inelastically scattered from a Be-9 target. Levels associated with two-proton decay to the ground state of ...
    • Determination of the astrophysical S factor for C-11(p,gamma)N-12 from the N-12 -> C-11+p asymptotic normalization coefficient 
      Tang, XD; Azhari, A.; Gagliardi, Carl A.; Mukhamedzhanov, AM; Pirlepesov, F.; Trache, L.; Tribble, Robert E.; Burjan, V.; Kroha, V.; Carstoiu, F. (American Physical Society, 2003)
      The evolution of very low-metallicity, massive stars depends critically on the amount of CNO nuclei that they produce. Alternative paths from the slow 3alpha process to produce CNO seed nuclei could change their fate. The ...