Neutron capture reactions relevant to the s and p processes in the region of the N=50 shell closure

被引:5
|
作者
Dutta, Saumi [1 ]
Gangopadhyay, G. [1 ]
Bhattacharyya, Abhijit [1 ]
机构
[1] Univ Calcutta, Dept Phys, 92 Acharya Prafulla Chandra Rd, Kolkata 700009, India
关键词
HARD-CORE INTERACTION; GAMMA-RAY SPECTRA; CROSS-SECTIONS; MODEL; TC-99; NUCLEOSYNTHESIS; PARAMETERS; ELEMENTS; SR-88; RB-87;
D O I
10.1103/PhysRevC.94.024604
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
The radiative neutron capture cross sections for nuclei participating in the s-process and the p-process nucleosynthesis in and around the N = 50 closed neutron shell have been calculated in a statistical semimicroscopic Hauser-Feshbach approach for the energy range of astrophysical interest. A folded optical-model potential is constructed utilizing the standard DDM3Y real nucleon-nucleon interaction. The folding of the interaction with target radial matter densities, obtained from the relativistic mean-field theory, is done in coordinate space using the spherical approximation. The standard nuclear reaction code TALYS1.8 is used for cross-section calculation. The cross sections are compared with experimental results. Maxwellian-averaged cross sections and astrophysical reaction rates for a number of selected nuclei are also presented.
引用
收藏
页数:8
相关论文
共 50 条
  • [31] Alpha-capture reactions relevant to the p-process nucleosynthesis
    Spyrou, A.
    Lagoyannis, A.
    Zarkadas, Ch.
    Demetriou, P.
    Harissopulos, S.
    Becker, H. -W.
    Strieder, F.
    Rolfs, C.
    Dewald, A.
    Zell, K-O.
    von Brentano, P.
    Julin, R.
    FRONTIERS IN NUCLEAR STRUCTURE ASTROPHYSICS, AND REACTIONS: FINUSTAR, 2006, 831 : 314 - +
  • [32] Extended p3/2 Neutron Orbital and the N=32 Shell Closure in 52Ca
    Enciu, M.
    Liu, H. N.
    Obertelli, A.
    Doornenbal, P.
    Nowacki, F.
    Ogata, K.
    Poves, A.
    Yoshida, K.
    Achouri, N. L.
    Baba, H.
    Browne, F.
    Calvet, D.
    Chateau, F.
    Chen, S.
    Chiga, N.
    Corsi, A.
    Cortes, M. L.
    Delbart, A.
    Gheller, J-M
    Giganon, A.
    Gillibert, A.
    Hilaire, C.
    Isobe, T.
    Kobayashi, T.
    Kubota, Y.
    Lapoux, V
    Motobayashi, T.
    Murray, I
    Otsu, H.
    Panin, V
    Paul, N.
    Rodriguez, W.
    Sakurai, H.
    Sasano, M.
    Steppenbeck, D.
    Stuhl, L.
    Sun, Y. L.
    Togano, Y.
    Uesaka, T.
    Wimmer, K.
    Yoneda, K.
    Aktas, O.
    Aumann, T.
    Chung, L. X.
    Flavigny, F.
    Franchoo, S.
    Gasparic, I
    Gerst, R-B
    Gibelin, J.
    Hahn, K., I
    PHYSICAL REVIEW LETTERS, 2022, 129 (26)
  • [33] Electromagnetic properties of neutron-rich nuclei adjacent to the Z=50 shell closure
    Rejmund, M.
    Navin, A.
    Biswas, S.
    Lemasson, A.
    Caamano, M.
    Clement, E.
    Delaune, O.
    Farget, F.
    de France, G.
    Jacquot, B.
    Van Isacker, P.
    PHYSICS LETTERS B, 2016, 753 : 86 - 90
  • [34] A monochromatic neutron facility for (n,p) reactions
    Hanna, SS
    Martoff, CJ
    Pocanic, D
    Wang, K
    Byrd, RC
    Foster, CC
    van Heerden, IJ
    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1997, 401 (2-3): : 345 - 354
  • [35] (D,P) REACTIONS ON NUCLEI IN 82 NEUTRON REGION
    SPALDING, D
    ANDERSSO.G
    FOSTER, JL
    BULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1968, 13 (01): : 71 - &
  • [36] Determination of α-optical potential for reactions with p-nuclei from the study of (α,n) reactions in the astrophysically relevant energy region
    Basak, Dipali
    Basu, Chinmay
    EUROPEAN PHYSICAL JOURNAL A, 2022, 58 (08):
  • [37] 0+ STATES NEAR N=20 NEUTRON SHELL FROM AR(T,P) REACTIONS
    CASTEN, RF
    FLYNN, ER
    GARRETT, JD
    ORBESEN, S
    HANSEN, O
    PHYSICS LETTERS B, 1973, B 43 (06) : 473 - 475
  • [38] Neutron excitations across the N=50 shell gap in 102In
    Sohler, D
    Palacz, M
    Dombrádi, Z
    Blomqvist, J
    Fahlander, C
    Norlin, LO
    Nyberg, J
    Bäck, T
    Lagergren, K
    Rudolph, D
    Algora, A
    Andreoiu, C
    de Angelis, G
    Atac, A
    Bazzacco, D
    Cederkäll, J
    Cederwall, B
    Fant, B
    Farnea, E
    Gadea, A
    Górska, M
    Grawe, H
    Hashimito-Saitoh, N
    Johnson, A
    Kerek, A
    Klamra, W
    Kownacki, J
    Lenzi, SM
    LIkar, A
    Lipoglavsek, M
    Moszynski, M
    Napoli, DR
    Rossi-Alvarez, C
    Roth, HA
    Saitoh, T
    Seweryniak, D
    Skeppstedt, Ö
    Timár, J
    Weiszflog, M
    Wolinska, M
    NUCLEAR PHYSICS A, 2002, 708 (3-4) : 181 - 189
  • [39] THE INTERPRETATION OF SOLAR-SYSTEM ABUNDANCES AT THE N = 50 NEUTRON SHELL
    BURNETT, DS
    WOOLUM, DS
    ASTRONOMY & ASTROPHYSICS, 1990, 228 (01) : 253 - 259
  • [40] NEUTRON THRESHOLDS FROM (D,N) AND (P,N) REACTIONS
    COOK, CF
    BONNER, TW
    MARION, JB
    PHYSICAL REVIEW, 1954, 95 (02): : 639 - 639