Laboratory tests of low density astrophysical nuclear equations of state
L Qin, K Hagel, R Wada, JB Natowitz, S Shlomo… - Physical Review Letters, 2012 - APS
L Qin, K Hagel, R Wada, JB Natowitz, S Shlomo, A Bonasera, G Röpke, S Typel, Z Chen…
Physical Review Letters, 2012•APSClustering in low density nuclear matter has been investigated using the NIMROD
multidetector at Texas A&M University. Thermal coalescence modes were employed to
extract densities, ρ, and temperatures, T, for evolving systems formed in collisions of 47 A
MeV Ar 40+ Sn 112, Sn 124 and Zn 64+ Sn 112, Sn 124. The yields of d, t, He 3, and He 4
have been determined at ρ= 0.002 to 0.03 nucleons/fm 3 and T= 5 to 11 MeV. The
experimentally derived equilibrium constants for α particle production are compared with …
multidetector at Texas A&M University. Thermal coalescence modes were employed to
extract densities, ρ, and temperatures, T, for evolving systems formed in collisions of 47 A
MeV Ar 40+ Sn 112, Sn 124 and Zn 64+ Sn 112, Sn 124. The yields of d, t, He 3, and He 4
have been determined at ρ= 0.002 to 0.03 nucleons/fm 3 and T= 5 to 11 MeV. The
experimentally derived equilibrium constants for α particle production are compared with …
Clustering in low density nuclear matter has been investigated using the NIMROD multidetector at Texas A&M University. Thermal coalescence modes were employed to extract densities, , and temperatures, , for evolving systems formed in collisions of MeV , and , . The yields of , , , and have been determined at to 0.03 and to 11 MeV. The experimentally derived equilibrium constants for particle production are compared with those predicted by a number of astrophysical equations of state. The data provide important new constraints on the model calculations.
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