Level densities and thermodynamical quantities of heated 93-98Mo isotopes

Abstract

Level densities for 93-98Mo have been extracted using the (3He,alpha gamma) and (3He,3He' gamma) reactions. From the level densities thermodynamical quantities such as temperature and heat capacity can be deduced. Data have been analyzed by utilizing both the microcanonical and the canonical ensemble. Structures in the microcanonical temperature are consistent with the breaking of nucleon Cooper pairs. The S-shape of the heat capacity curves found within the canonical ensemble is interpreted as consistent with a pairing phase transition with a critical temperature for the quenching of pairing correlations at T_c ~ 0.7-1.0 MeV.

arXiv comment21 pages, including 12 figures

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Cited by in corpus (19)

• Reference Database for Photon Strength Functions
• Nuclear level densities and gamma-ray strength functions in 44,45Sc
• Experimental level densities of atomic nuclei
• Statistical structure and $\gamma$-decay properties of closed shell Pb nuclei
• Breaking of nucleon Cooper pairs at finite temperature in 93-98Mo
• Nuclear Level Density and Gamma-Ray Strength Function of 43Sc
• Extraction of thermal and electromagnetic properties in 45Ti
• Completing the nuclear reaction puzzle of the nucleosynthesis of 92Mo
• Particle-number conservation in static-path approximation for thermal superfluid systems
• Statistical pairing fluctuation and phase transition in ${}^{94}Mo$
• Thermodynamic properties of hot nuclei within the self-consistent quasiparticle random-phase approximation
• Spin distribution of nuclear levels using static path approximation with random-phase approximation
• Primary gamma-ray spectra in 44Ti of astrophysical interest
• Calculation of microscopic nuclear level densities based on covariant density functional theory
• Nuclear level density and thermal properties of ${}^{115}$Sn from neutron evaporation
• Measurements of the ${}^{96}$Zr($\alpha$,n)${}^{99}$Mo cross section for astrophysics and applications
• Excitation energy and angular momentum dependence of the nuclear level density parameter around A$\approx$110
• Gamma-widths, lifetimes and fluctuations in the nuclear quasi-continuum
• Re-investigation of heat capacity and paring phase transition in hot ${}^{93-98}$Mo nuclei