Pairing phase transition of nucleons in 89Y and 208Pb

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Razavi Rohallah; Rahmatinejad Azam; Kakavand Tayeb; Khooy Asghar

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Journal: JOURNAL OF RESEARCH ON MANY BODY SYSTEMS Year:2017 | Volume:7 | Issue:13 Page(s): 79-85

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Title

Pairing phase transition of nucleons in 89Y and 208Pb

Author(s)

Razavi Rohallah | Rahmatinejad Azam | Kakavand Tayeb | Khooy Asghar | Issue Writer Certificate

Keywords

Nucleonic pairingQ1

Nuclear phase transitionQ1

Nuclear level densityQ1

Thermodynamic quantities of nucleiQ1

Abstract

In this paper, we have studied the phase transition of nucleons, between a paired phase and a Fermi gas state, in 89Y and 208Pb nuclei. In order to conduct this study, the Nuclear level density parameters of 89Y and 208Pb nuclei in the constant temperature model were extracted by the using of experimental data from Oslo group. The extracted results were used in the calculation of the cross sections of 208Pb (n, el), 208Pb(p, el), 89Y(n, el) and 89Y(p, el) nuclear reactions. According to the good agreement between the extracted results and corresponding experimental values for the cross sections, a constant temperature behavior, which can be interpreted as an evidence for the pairing phase transition, is confirmed for the nuclei. In addition, heat capacity of 89Y and 208Pb nuclei has been extracted from the experimental level densities and the effect of pairing phase transition of nucleons is studied within this thermodynamic quantity.

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APA: Copy

Razavi, Rohallah, Rahmatinejad, Azam, Kakavand, Tayeb, & Khooy, Asghar. (2017). Pairing phase transition of nucleons in 89Y and 208Pb. JOURNAL OF RESEARCH ON MANY BODY SYSTEMS, 7(13 ), 79-85. SID. https://sid.ir/paper/243777/en

Vancouver: Copy

Razavi Rohallah, Rahmatinejad Azam, Kakavand Tayeb, Khooy Asghar. Pairing phase transition of nucleons in 89Y and 208Pb. JOURNAL OF RESEARCH ON MANY BODY SYSTEMS[Internet]. 2017;7(13 ):79-85. Available from: https://sid.ir/paper/243777/en

IEEE: Copy

Rohallah Razavi, Azam Rahmatinejad, Tayeb Kakavand, and Asghar Khooy, “Pairing phase transition of nucleons in 89Y and 208Pb,” JOURNAL OF RESEARCH ON MANY BODY SYSTEMS, vol. 7, no. 13 , pp. 79–85, 2017, [Online]. Available: https://sid.ir/paper/243777/en

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