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Exact solutions of relativistic perfect fluid hydrodynamics for a QCD Equation of State |
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| Authors: | M Csanád M I Nagy S L?k?s |
| Institution: | 1. Centre d??Etudes Nucl??aires de Bordeaux Gradignan, Universit?? Bordeaux 1, UMR5797 CNRS/IN2P3, Chemin du Solarium, BP 120, F-33175, Gradignan Cedex, France 2. Department of Physics, University of Jyv?skyl?, P.O. Box 35, FI-40014, Jyv?skyl?, Finland 3. Instituto Estructura de la Materia, CSIC, Serrano 113bis, E-28006, Madrid, Spain |
| Abstract: | The half-life of the mirror $\beta$ decay of 31S has been measured at the IGISOL facility at the University of Jyv?skyl?. The value obtained is $T_{1/2}(^{31}S)=(2553.4\pm 1.8)$ ms, in agreement with previous measurements, but with a precision that is better by a factor of ten than the literature value previously adopted. When the new result is combined with the QEC value measured recently at JYFLTRAP, a precision of better than $10^{-3}$ is obtained for the ft value. |
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