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Thermodynamical properties of 56Fe

Abstract

Average nuclear level densities close to the nuclear binding energy in 56Fe and 57Fe are extracted from primary {gamma}-ray spectra. A step structure is observed in the level density for both isotopes, and is interpreted as breaking of Cooper pairs. Thermal properties of 56Fe are studied within the statistical canonical ensemble. The experimental heat capacity in 56Fe is compared with the theoretical heat capacity calculated within the shell model Monte Carlo approach.
Authors:
Tavukcu, E; [1]  Triangle Universities Nuclear Laboratory, Durham, NC 27708 (United States); Lawrence Livermore National Laboratory, Livermore, CA 94551 (United States)]; Becker, J A; Bernstein, L A; Garrett, P E; Younes, W; [2]  Guttormsen, M; Rekstad, J; Siem, S; [3]  Mitchell, G E; [1]  Triangle Universities Nuclear Laboratory, Durham, NC 27708 (United States)]; Schiller, A; [2]  Department of Physics, University of Oslo, N-0316 Oslo (Norway)]; Voinov, A [4] 
  1. North Carolina State University, Raleigh, NC 27695 (United States)
  2. Lawrence Livermore National Laboratory, Livermore, CA 94551 (United States)
  3. Department of Physics, University of Oslo, N-0316 Oslo (Norway)
  4. Frank Laboratory of Neutron Physics, Joint Institute of Nuclear Research, 141980 Dubna (Russian Federation)
Publication Date:
Mar 03, 2003
Product Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 656; Journal Issue: 1; Conference: Conference on frontiers of nuclear structure, Berkeley, CA (United States), 29 Jul - 2 Aug 2002; Other Information: DOI: 10.1063/1.1556634; (c) 2003 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); PBD: 3 Mar 2003
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; BINDING ENERGY; COOPER PAIRS; ENERGY LEVELS; ENERGY-LEVEL DENSITY; GAMMA SPECTRA; HELIUM 3; IRON 56; IRON 57; MONTE CARLO METHOD; SHELL MODELS; SPECIFIC HEAT; STATISTICAL MODELS; THERMODYNAMICS
OSTI ID:
20621445
Country of Origin:
United States
Language:
English
Other Identifying Numbers:
Journal ID: ISSN 0094-243X; APCPCS; TRN: US03C6406065095
Submitting Site:
INIS
Size:
page(s) 136-143
Announcement Date:
Aug 28, 2005

Citation Formats

Tavukcu, E, Triangle Universities Nuclear Laboratory, Durham, NC 27708 (United States), Lawrence Livermore National Laboratory, Livermore, CA 94551 (United States)], Becker, J A, Bernstein, L A, Garrett, P E, Younes, W, Guttormsen, M, Rekstad, J, Siem, S, Mitchell, G E, Triangle Universities Nuclear Laboratory, Durham, NC 27708 (United States)], Schiller, A, Department of Physics, University of Oslo, N-0316 Oslo (Norway)], and Voinov, A. Thermodynamical properties of 56Fe. United States: N. p., 2003. Web. doi:10.1063/1.1556634.
Tavukcu, E, Triangle Universities Nuclear Laboratory, Durham, NC 27708 (United States), Lawrence Livermore National Laboratory, Livermore, CA 94551 (United States)], Becker, J A, Bernstein, L A, Garrett, P E, Younes, W, Guttormsen, M, Rekstad, J, Siem, S, Mitchell, G E, Triangle Universities Nuclear Laboratory, Durham, NC 27708 (United States)], Schiller, A, Department of Physics, University of Oslo, N-0316 Oslo (Norway)], & Voinov, A. Thermodynamical properties of 56Fe. United States. https://doi.org/10.1063/1.1556634
Tavukcu, E, Triangle Universities Nuclear Laboratory, Durham, NC 27708 (United States), Lawrence Livermore National Laboratory, Livermore, CA 94551 (United States)], Becker, J A, Bernstein, L A, Garrett, P E, Younes, W, Guttormsen, M, Rekstad, J, Siem, S, Mitchell, G E, Triangle Universities Nuclear Laboratory, Durham, NC 27708 (United States)], Schiller, A, Department of Physics, University of Oslo, N-0316 Oslo (Norway)], and Voinov, A. 2003. "Thermodynamical properties of 56Fe." United States. https://doi.org/10.1063/1.1556634.
@misc{etde_20621445,
title = {Thermodynamical properties of 56Fe}
author = {Tavukcu, E, Triangle Universities Nuclear Laboratory, Durham, NC 27708 (United States), Lawrence Livermore National Laboratory, Livermore, CA 94551 (United States)], Becker, J A, Bernstein, L A, Garrett, P E, Younes, W, Guttormsen, M, Rekstad, J, Siem, S, Mitchell, G E, Triangle Universities Nuclear Laboratory, Durham, NC 27708 (United States)], Schiller, A, Department of Physics, University of Oslo, N-0316 Oslo (Norway)], and Voinov, A}
abstractNote = {Average nuclear level densities close to the nuclear binding energy in 56Fe and 57Fe are extracted from primary {gamma}-ray spectra. A step structure is observed in the level density for both isotopes, and is interpreted as breaking of Cooper pairs. Thermal properties of 56Fe are studied within the statistical canonical ensemble. The experimental heat capacity in 56Fe is compared with the theoretical heat capacity calculated within the shell model Monte Carlo approach.}
doi = {10.1063/1.1556634}
journal = []
issue = {1}
volume = {656}
journal type = {AC}
place = {United States}
year = {2003}
month = {Mar}
}