CLAS Physics Database

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Measurement E49M4

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Experiment: A comparison of forward and backward pp pair knockout in ³He(e, e'pp)n, 0

Spokespersons: H.Baghdasaryan, L.B.Weinstein, J.M.Laget

Publications:

H. Baghdasaryan, L. B. Weinstein, J. M. Laget, and CLAS Collaboration Comparison of forward and backward pp pair knockout in ³He(e,e`pp)n // PHYSICAL REVIEW C 85, 064318 (2012)
H. Baghdasaryan, L.B. Weinstein, J.M. Laget, and CLAS Collaboration Tensor Correlations Measured in ³He(e,e'pp)n // PRL 105, 222501 (2010)

Quantity measured: dσ/dP_tot,pp, fb/MeV
pp total momentum distribution.
Beam: e, polarization: none
Target: He3 (Z=2, A=3), polarization: none
Final state: ppn, polarization: none

Q² :	0.8 — 4.9 GeV²
W :	0.3 — 3.9 GeV

Observable quantity measured (Y axis): dσ/dP_tot,pp, fb/MeV
Plot measurement data

Parameter (X axis): P_tot,pp, GeV/c

Click here to get data in text file, delimited with tabs.

Measured data:

P_tot,pp, GeV/c	dσ/dP_tot,pp, fb/MeV	Stat. error, fb/MeV
0.07	0.315	0.141
0.09	0.183	0.106
0.11	0.59	0.197
0.13	0.805	0.232
0.15	0.656	0.208
0.17	1.06	0.265
0.19	1.64	0.335
0.21	1.84	0.348
0.23	2.58	0.412
0.25	3.02	0.441
0.27	2.08	0.386
0.29	2.22	0.381
0.31	2.4	0.4
0.33	1.83	0.352
0.35	1.46	0.305
0.37	1.12	0.281
0.39	1.91	0.362
0.41	0.748	0.216
0.43	1.35	0.326
0.45	0.722	0.218
0.47	0.197	0.113
0.49	0.371	0.166
0.51	0.286	0.143
0.53	0.0584	0.0584
0.55	0.0516	0.0516