32S+92,94,96,98,100Mo REAKSİYONLARINDAKİ BARİYER DAĞILIMINA DAYANAN BÜYÜK AÇILI YARI-ESNEK SAÇILMA TESİR KESİTLERİ VE ETKİN AĞIRLIK FONKSİYONU
Abstract
Coulomb bariyeri etrafındaki çok çeşitli bombardıman enerjilerinde eş zamanlı olarak hesaplanan 32S + 92,94,96,98,100 Mo reaksiyonlarındaki bariyer dağılımı için yarı esnek saçılma ve etkin ağırlık fonksiyonunu çalıştık. Yarı-esnek açısal dağılım verileri Woods-Saxon potansiyeli olan optik model kodu kullanılarak analiz edilmiştir. Bu reaksiyonların yarı-esnek saçılma tesir kesitlerini ve bariyer dağılımının yapılarını açıklayabildiği hesaba katıldığı gösterilmiştir. Bu sonuçlar, birleşmiş kanalların formalizminin, çeşitli kütle sistemleri için bile geçerli olabileceğini göstermektedir. Geniş açılı yarı-esnek saçılma reaksiyonları, füzyon reaksiyonlarını belirlemek için önerilen özdeş çekirdek-çekirdek potansiyeli ile incelenmiştir. Bariyer dağılımının ve nükleon transferinin Woods-Saxon potansiyeli üzerindeki etkisi göz önüne alındığında, bir dizi reaksiyonun hesaplanan yarı-esnek saçılma tesir kesitlerinin birbiriyle iyi bir uyum içinde olduğu gözlenmiştir.
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THE LARGE ANGLE QUASI-ELASTIC SCATTERING CROSS SECTIONS AND THE EFFECTIVE WEIGHT FUNCTION BASED ON THE BARRIER DISTRIBUTION FOR 32S+92,94,96,98,100Mo REACTIONS
Abstract
We
studied quasi-elastic scattering and the effective weight function for the
barrier distribution for 32S+92,94,96,98,100Mo reactions have been calculated simultaneously
in a wide range of bombarding energies around the Coulomb barrier. The
quasi-elastic angular distribution data are analyzed using the optical model
code with Woods-Saxon potentials. It is shown that the calculations taken into
account, for these reactions can explain structures of the quasi-elastic
cross-section and the quasi-elastic barrier distribution. These results
indicate that the coupled-channels formalism can still valid even for the
various mass systems. The large-angle quasi-elastic scattering reactions were scrutinized
with the identical core-core potential recommended for designating fusion
reactions. Given the effect of a barrier distribution and nucleon transfer on
the Woods-Saxon potential, the calculated semi-elastic scattering
cross-sections of a series of reactions are in good harmony each other.
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- N.Wang, W. Scheid, Phys. Rev. C 78, 014607 (2008).
- Z. F.Muhammad, K. Hagino, S. Mitsuoka, H. Ikezoe, Phys. Rev. C 77, 034604 (2008).
- K. Hagino, N. Rowley, Phys. Rev. C 69, 054610 (2004).
- N. Rowley, G. R. Satchler, P. H. Stelson, Phys. Lett. B254, 25 (1991).
- J. R. Leigh et al., Phys. Rev. C 52, 3151 (1995).
- H. Timmers et al., Nucl. Phys. A584, 190 (1995).
- R. K. Gupta, M. Manhas, G. Munzenberg, W. Greiner, Phys. Rev. C 72, 014607 (2005).
- V. I. Zagrebaev, Phys. Rev. C 64, 034606 (2001).
- G. G. Adamian et al., Nucl. Phys. A633, 409 (1998).
- M. Liu, N.Wang, Z. Li, X.Wu, E. Zhao, Nucl. Phys. A768, 80 (2006).
- S. Yusa, K. Hagino, N.Rowley, Phys. Rev. C 85, 054601 (2012).
- M.Z. Firihu, International Journal of Modern Physics E Vol. 25, No. 8, 1650054 (2016).
- N. Wang, K. Zhao, W. Scheid, X. Wu, Phys. Rev. C 77, 014603 (2008).
- S. Landowne, H.H. Wolter, Nucl. Phys. A351, 171 (1981).
- R.O. Akyuz, A. Winther, Proc. Enrico Fermi Int. School of Physics, “ Nuclear Structure and Heavy-Ion Reactions”, ed. R.A. Broglia, C.H. Dasso, R. Ricci (North-Holland, Amsterdam, 1981), p.491, (1979).
- R.A. Broglia, A. Withner, “Heavy Ion Reactions, Part I and II”, Frontiers in Physics, vol.84, Addison-Wesley, (1991).
- A. Winther, Nucl. Phys. A572, 191-235 (1994).
- G. Pollarolo, A. Winther, Phys. Rev. C 62, 054611 (2000).
- I.J. Thompson, Fresco, http://www.fresco.org.uk .
- I.J. Thompson, Getting Started With Fresco User Guide, June (2010).
- Antonio M. Moro, Fresco Notes, October (2004).
- F. Nunes, “Scattering Theory Lecture Notes”, Michigan State University.
- K. Hagino, N. Rowley, M. Dasgupta, “Fusion cross sections at deep sub-barrier energies”, Phys. Rev. C 67, 054603 (2003).
- K. Hagino, N. Rowley, A.T. Kruppa, “A program for coupled-channels calculations with all order couplings for heavy-ion fusion reactions”, Comput. Phys.Commun. 123, 143 (1999).
- A.B. Balantekin, N. Takigawa, “Quantum tunneling in nuclear fusion”, Rev. Mod. Phys., 70, 77 (1998).
- G.R. Satchler, “Direct Nuclear Reactions”, Clarendon Press, (1983).
- G.R. Satchler, “Introduction to Nuclear Reaction”, Palgrave; 2nd edition (February 9, 1990).
- R.A. Broglia and A. Winther, “Heavy-Ion Reactions”, Phys. Reports, Vol 4, 153-198, (1972).
- D.M. Brink, “Semi-classical method in nucleus-nucleus collisions”, Cambridge University Press, (1985).
- P. Frobrich and R. Lipperheide, “Theory of Nuclear Reactions”, Clarendon Press (April 30 1999).
- R. Herman, “Fusion”, Cambridge University Press, Cambridge (1990).
Details
| Primary Language | English |
|---|---|
| Subjects | Engineering |
| Journal Section | Articles |
| Authors | |
| Publication Date | December 26, 2019 |
| Published in Issue | Year 2019 |
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