CLAS Physics Database

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Measurement E61M1

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Experiment: E89-027 CLAS experiment, 1999

Spokespersons: L. B. Weinstein, R. A. Niyazov

Experiment comment: This is a part of E2A run experiment. Coincidence Reaction Studies with the CLAS.

Measurement comment: Proton detection efficiency is included. Only statistical errors are presented.

Publication:

R. A. Niyazov, L. B. Weinstein, and CLAS Collaboration Two-Nucleon Momentum Distributions Measured in 3He(eeppn) // Phys. Rev.Lett. 92, 052303 (2004)

Quantity measured: dσ/dP_rel,pn, fbn/MeV/C
pn relative momentum distribution.
Beam: e, polarization: polarized
Target: He3 (Z=2, A=3), polarization: none
Final state: ppN, polarization: none

Q² :	0.5 — 1 GeV²
W :	0.95 — 1.05 GeV
x_b :	0

Observable quantity measured (Y axis): dσ/dP_rel,pn, fbn/MeV/C
Plot measurement data

Parameter (X axis): P_rel,pn, GeV/C

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

Measured data:

P_rel,pn, GeV/C	dσ/dP_rel,pn, fbn/MeV/C	Data errors, fbn/MeV/C
0.01	0.478	0.269
0.03	0	0
0.05	0.475	0.268
0.07	1.177	0.422
0.09	1.293	0.443
0.11	0.98	0.385
0.13	1.254	0.436
0.15	2.223	0.58
0.17	5.465	0.91
0.19	7.539	1.069
0.21	9.772	1.217
0.23	15.788	1.547
0.25	34.808	2.296
0.27	54.3	2.868
0.29	59.359	2.999
0.31	61.251	3.046
0.33	59.478	3.002
0.35	50.716	2.772
0.37	49.664	2.743
0.39	45.382	2.622
0.41	42.105	2.526
0.43	35.062	2.305
0.45	28.389	2.074
0.47	28.925	2.093
0.49	19.615	1.724
0.51	14.263	1.47
0.53	12.14	1.356
0.55	8.974	1.166
0.57	5.231	0.89
0.59	4.166	0.794
0.61	4.815	0.854
0.63	1.253	0.436
0.65	0.836	0.356
0.67	1.259	0.437
0.69	0.408	0.249
0.71	0	0
0.73	0.21	0.178
0.75	0.419	0.252
0.77	0	0