Critical temperature for quenching of pair correlations -: art. no. 021306

被引：128

作者：

Schiller, A ^{[1
]}

Bjerve, A ^{[1
]}

Guttormsen, M ^{[1
]}

Hjorth-Jensen, M ^{[1
]}

Ingebretsen, F ^{[1
]}

Melby, E ^{[1
]}

Messelt, S ^{[1
]}

Rekstad, J ^{[1
]}

Siem, S ^{[1
]}

Odegård, SW ^{[1
]}

机构：

[1] Univ Oslo, Dept Phys, N-0316 Oslo, Norway

来源：

PHYSICAL REVIEW C | 2001年 / 63卷 / 02期

关键词：

D O I：

10.1103/PhysRevC.63.021306

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 level density at low spin in the Dy-161.162 and Yb-171.172 nuclei has been extracted from primary gamma rays. The nuclear heat capacity is deduced within the framework of the canonical ensemble. The heat capacity exhibits an S-formed shape as a function of temperature, which is interpreted as a fingerprint of the phase transition from a strongly correlated to an uncorrelated phase. The critical temperature for the quenching of pair correlations is found at T-c = 0.50 +/- 0.04 (stat) +/- 0.08 ( syst) MeV.

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页数：5

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