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Measurement E151M1093

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Experiment: EG4, 2016

Spokespersons: Xiaochao Zheng

Experiment comment: Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).

No publications available for this experiment

Quantity measured: AUL,
Target spin asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.4155 GeV2
W : 1595 GeV
ε : 0.8714
Ebeam : 2.999 GeV
εL: 0.295 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): AUL,
Plot measurement data

Parameter (X axis): φ(π+), degrees

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

Measured data:

cos(θπ+) φ(π+),
degrees 		AUL Stat. error Syst. error
0.55 90 -0.1533 0.8773 0.032
0.55 102 -1.6078 0.6213 0.1213
0.65 90 -1.4145 0.5727 0.1076
0.65 102 -1.4071 0.6053 0.1071
0.65 114 -0.5545 0.8481 0.0504
0.75 66 0.9106 0.8589 0.073
0.75 78 -0.562 0.7976 0.0509
0.75 102 0.041 0.7127 0.0301
0.75 114 0.7977 1.0014 0.0656
0.75 210 2.6445 0.9609 0.1956
0.75 222 0.8691 0.887 0.0703
0.75 234 -0.2303 0.6682 0.0344
0.75 246 1.5898 0.9228 0.12
0.85 54 -0.4317 0.6949 0.0435
0.85 66 -0.4315 0.7353 0.0435
0.85 78 -0.1498 0.8458 0.0319
0.85 114 -2.0671 0.4438 0.154
0.85 210 -0.0993 0.7065 0.0309
0.85 222 1.0899 0.9156 0.0851
0.85 234 0.3546 0.7532 0.0396
0.85 246 1.2654 0.6783 0.0972
0.85 258 -0.4306 0.5518 0.0435
0.85 270 0.6675 0.7517 0.0573
0.85 282 0.2093 0.803 0.0337
0.95 186 -1.0228 0.698 0.0805
0.95 210 -0.0785 0.8003 0.0305
0.95 222 1.2325 0.9177 0.0949
0.95 234 0.1564 0.6424 0.0321
0.95 246 0.0978 0.6595 0.0308
0.95 258 -0.9065 0.596 0.0727
0.95 270 -0.2643 0.5347 0.0357
0.95 282 1.1192 0.7266 0.0871
0.95 294 0.9451 0.6535 0.0753
0.95 306 -0.0946 0.602 0.0308
0.95 318 -0.1335 0.5864 0.0315