English
Related papers

Related papers: Negative heat capacity for hot nuclei using formul…

200 papers

A finite range density and momentum dependent effective interaction is used to calculate the density and temperature dependence of the symmetry energy coefficient Csym(rho,T) of infinite nuclear matter. This symmetry energy is then used in…

Nuclear Theory · Physics 2008-11-26 S. K. Samaddar , J. N. De , X. Vinas , M. Centelles

In a finite temperature Thomas-Fermi theory with realistic nuclear interactions, we construct caloric curves for finite nuclei enclosed in a sphere of about $4 - 8$ times the normal nuclear volume. The specific heat capacity $C_v$ shows a…

Nuclear Theory · Physics 2009-09-25 J. N. De , S. Das Gupta , S. Shlomo , S. K. Samaddar

We determine the internal energy of charged particle production in minimum bias pp collisions using a thermostatistical approach by analyzing the $p_\text{T}$ spectrum reported by the ALICE Collaboration across LHC energies. To do this, we…

High Energy Physics - Phenomenology · Physics 2025-09-18 J. Alonso Tlali , D. Rosales Herrera , J. R. Alvarado García , A. Fernández Téllez , C. Pajares , J. E. Ramírez

Collisions of Xe+Sn at beam energies of $E/A$ = 8 to 29 $MeV$ and leading to fusion-like heavy residues are studied using the $4\pi$ INDRA multidetector. The fusion cross section was measured and shows a maximum at $E/A$ = 18-20 $MeV$. A…

Nuclear Experiment · Physics 2015-06-11 A. Chbihi , L. Manduci , J. Moisan , E. Bonnet , J. D. Frankland , R. Roy , G. Verde

The evaluation of effective potentials is critical for a range of phenomenological applications, including inflation, vacuum stability, and phase transitions. A drawback arises from the gauge-dependence of the effective potential.…

High Energy Physics - Theory · Physics 2025-07-31 Debanjan Balui , Tisa Biswas , Joydeep Chakrabortty , Debmalya Dey , Christoph Englert , Subhendra Mohanty

We derive analytic approximations of neutrino luminosities and heat capacities of neutron stars with nucleon cores valid for a wide class of equations of state of dense nucleon matter. The neutrino luminosities are approximated for the…

High Energy Astrophysical Phenomena · Physics 2016-12-15 D. D. Ofengeim , M. Fortin , P. Haensel , D. G. Yakovlev , J. L. Zdunik

It was reported that the fuel core was heated up to ~ 0.8 [keV] in the fast ignition experimentswith cone-guided targets, but they could not theoretically explain heating mechanisms and achievement of such high temperature. Thus simulations…

Plasma Physics · Physics 2016-09-08 Hitoshi Sakagami , Tomoyuki Johzaki , Hideo Nagatomo , Kunioki Mima

In nuclear thermodynamics, the determination of the excitation energy of hot nuclei is a fundamental experimental problem. Instrumental physicists have been trying to solve this problem for several years by building the most exhaustive 4Pi…

In this paper, with the corresponding formula for internal energy obtained in Ref. [J. Phys. Stud. {\bf 11}, 259 (2007)], combined with a simple calculation of the effective mass of interacting Bose particles, the behavior of the heat…

Quantum Gases · Physics 2011-10-19 I. O. Vakarchuk , V. S. Pastukhov , R. O. Prytula

We analyse Monte Carlo data for the energy and specific heat at and close to the critical point of the 3D cubic Ising model. From the finite size scaling of the energy E and the specific heat C at criticality we obtain the estimate nu =…

Statistical Mechanics · Physics 2008-02-03 M. Hasenbusch , K. Pinn

The complex fragments (or intermediate mass fragments) observed in the low-energy $^{58}$Ni+$^{58}$Ni$\to ^{116}$Ba$^*$ reaction, are studied within the dynamical cluster decay model for s-wave with the use of the temperature-dependent…

Nuclear Theory · Physics 2008-11-26 M. Balasubramaniam , Rajesh Kumar , Raj K. Gupta , C. Beck , Werner Scheid

A study of the correlation between nuclear temperatures and symmetry energy is presented for heavy-ion collisions at intermediate energies via the isospin-dependent quantum molecular-dynamics model. It is found that different symmetry…

Nuclear Theory · Physics 2022-08-10 Fan Zhang , Kai-Lei Wang , Li-Ding Jin , Hui-Xiao Duan , Cheng Li

A commercially available calorimeter has been used to investigate the specific heat of a high-quality \kn\ single crystal. The addenda heat capacity of the calorimeter is determined in the temperature range $0.02 \, \mathrm{K} \leq T \leq…

In high energy nucleus-nucleus collisions, it is difficult to measure the contributions of resonance strong decay and weak decay to the final measured hadrons as well as the corresponding effects on some physical observables. To provide a…

High Energy Physics - Phenomenology · Physics 2019-02-22 Ning Yu , Xiaofeng Luo

Temperature variations of the heat capacity (C) are studied in a low temperature regime for 2D-, and 3D-systems with N~100-10000 treated as a canonical ensemble of N-noninteracting fermions. The analysis of C is performed by introducing…

Mesoscale and Nanoscale Physics · Physics 2008-12-01 N. K. Kuzmenko , V. M. Mikhajlov

A theoretical description of the interacting Bose-system is proposed. It is based on the extrapolation of the results obtained for the systems with a small number of particles N=2, 3, 4, etc. to the bulk case of N=\infty. It is shown that…

Statistical Mechanics · Physics 2024-01-04 I. O. Vakarchuk , A. A. Rovenchak

Experimental level densities for 171,172Yb, 166,167Er, 161,162Dy, and 148,149Sm are analyzed within the microcanonical ensemble. In the even isotopes at excitation energies E < 2 MeV, the Helmholtz free energy F signals the transition from…

Nuclear Experiment · Physics 2007-05-23 M. Guttormsen , R. Chankova , M. Hjorth-Jensen , J. Rekstad , S. Siem , A. Schiller , D. J. Dean

We study the latent heat of the liquid-gas phase transition in symmetric nuclear matter using self-consistent mean-field calculations with a few Skyrme forces. The temperature dependence of the latent heat is rather independent of the…

Nuclear Theory · Physics 2011-05-05 Arianna Carbone , Artur Polls , Arnau Rios , Isaac Vidaña

We have measured the heat capacities of $\delta-$Pu$_{0.95}$Al$_{0.05}$ and $\alpha-$Pu over the temperature range 2-303 K. The availability of data below 10 K plus an estimate of the phonon contribution to the heat capacity based on recent…

Strongly Correlated Electrons · Physics 2016-08-31 J. C. Lashley , J. Singleton , A. Migliori , J. B. Betts , R. A. Fisher , J. L. Smith , R. J. McQueeney

Motivated by the recent development of fast and ultra-sensitive thermometry in nanoscale systems, we investigate quantum calorimetric detection of individual heat pulses in the sub-meV energy range. We propose a hybrid superconducting…

Mesoscale and Nanoscale Physics · Physics 2018-11-28 F. Brange , P. Samuelsson , B. Karimi , J. P. Pekola