dorsal/arxiv
View SchemaProbing nucleon-nucleon correlations with (e,e'p) and (e,e'pp) reactions
| Authors | J. Ryckebusch |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0402047 |
| URL | https://arxiv.org/abs/nucl-th/0402047 |
Abstract
Some of the recent attempts to detect signals of nucleon-nucleon correlations with semi-exclusive A(e,e'p) and exclusive A(e,e'pN) processes are reviewed. Unfactorized and distorted-wave calculations for these processes are discussed. The calculations implement two-body currents stemming from pion-exchange and intermediate $\Delta$ excitation. The two-body currents are shown to be highly competitive with the mechanisms related to nucleon-nucleon correlations. This observation seriously hampers attempts to link semi-exclusive A(e,e'p) measurements, which probe high missing energies, to the correlated part of the nuclear spectral function. Signals of central short-range correlations (SRC) have been detected in (e,e'pp) measurements on ^{12}C and ^{16}O, thereby confirming the picture that in hadronic matter SRC solely affect nucleon pairs with a small center-of-mass momentum and residing in a relative S state.
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"abstract": "Some of the recent attempts to detect signals of nucleon-nucleon correlations\nwith semi-exclusive A(e,e\u0027p) and exclusive A(e,e\u0027pN) processes are reviewed.\nUnfactorized and distorted-wave calculations for these processes are discussed.\nThe calculations implement two-body currents stemming from pion-exchange and\nintermediate $\\Delta$ excitation. The two-body currents are shown to be highly\ncompetitive with the mechanisms related to nucleon-nucleon correlations. This\nobservation seriously hampers attempts to link semi-exclusive A(e,e\u0027p)\nmeasurements, which probe high missing energies, to the correlated part of the\nnuclear spectral function. Signals of central short-range correlations (SRC)\nhave been detected in (e,e\u0027pp) measurements on ^{12}C and ^{16}O, thereby\nconfirming the picture that in hadronic matter SRC solely affect nucleon pairs\nwith a small center-of-mass momentum and residing in a relative S state.",
"arxiv_id": "nucl-th/0402047",
"authors": [
"J. Ryckebusch"
],
"categories": [
"nucl-th"
],
"title": "Probing nucleon-nucleon correlations with (e,e\u0027p) and (e,e\u0027pp) reactions",
"url": "https://arxiv.org/abs/nucl-th/0402047"
},
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