Tensor Correlations Measured in $^3He(e,e'pp)n$

Baghdasaryan, H.; Weinstein, L.B.; Laget, J.M.; Adhikari, K.P.; Aghasyan, M.; Amarian, M.; Anghinolfi, M.; Avakian, H.; Ball, J.; Battaglieri, M.

doi:10.1103/PhysRevLett.105.222501

Tensor Correlations Measured in $^3He(e,e'pp)n$

CLAS

Collaboration

•

H. Baghdasaryan
(
- Old Dominion U.
)

Aug, 2010

5 pages

Published in:

Phys.Rev.Lett. 105 (2010) 222501

e-Print:

1008.3100 [nucl-ex]

DOI:

10.1103/PhysRevLett.105.222501

Report number:

JLAB-PHY-10-1237

Experiments:

JLAB-CLAS

View in:

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Abstract: (arXiv)

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.

25.30.Dh
21.45.-v
correlation: tensor
kinematics
momentum spectrum
spectator
electron nucleon: nuclear reaction
helium: nuclide
nucleon: pair
CLAS

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Figures(0)

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Tensor Correlations Measured in 3He(e,e′pp)n^3He(e,e'pp)n3He(e,e′pp)n

Citations per year

Nucleon Momentum and Density Distributions in Nuclei

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