Precision measurement of bremsstrahlung gamma rays in 124Sn+124Sn collisions at 25 MeV/u yields a high-momentum tail fraction of (20 ± 3)% in 124Sn when compared to IBUU simulations.
Tensor Correlations Measured in 3He(e,e'pp)n
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abstract
We have measured the 3He(e,e'pp)n reaction at an incident energy of 4.7 GeV over a wide kinematic range. We identified spectator correlated pp and pn nucleon pairs using kinematic cuts and measured their relative and total momentum distributions. This is the first measurement of the ratio of pp to pn pairs as a function of pair total momentum, $p_{tot}$. For pair relative momenta between 0.3 and 0.5 GeV/c, the ratio is very small at low $p_{tot}$ and rises to approximately 0.5 at large $p_{tot}$. This shows the dominance of tensor over central correlations at this relative momentum.
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nucl-ex 2verdicts
UNVERDICTED 2representative citing papers
Short-range correlated pairs account for roughly 20% of nucleons in any nucleus and nearly all high-momentum nucleons, originating from the nucleon-nucleon tensor force.
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Experimental Study of Bremsstrahlung Gamma Ray Emission and Short-Range Correlations in $^{124}$Sn+$^{124}$Sn Collisions at 25 MeV/u
Precision measurement of bremsstrahlung gamma rays in 124Sn+124Sn collisions at 25 MeV/u yields a high-momentum tail fraction of (20 ± 3)% in 124Sn when compared to IBUU simulations.
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Short-range correlations in nuclei
Short-range correlated pairs account for roughly 20% of nucleons in any nucleus and nearly all high-momentum nucleons, originating from the nucleon-nucleon tensor force.