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Measurement E151M106

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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 : 0.0084 GeV2
W : 1355 GeV
ε : 0.8064
Ebeam : 1.0539 GeV
εL: 0.0258 

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 Data errors Systematic errors
0.35 42 -0.1439 0.7847 0.0342
0.35 54 0.1433 0.8604 0.0341
0.45 42 -1.5596 0.5805 0.18
0.45 54 0.9364 0.7193 0.1107
0.55 30 0.3085 0.7917 0.0462
0.55 42 -0.1885 0.6122 0.0369
0.55 54 0.6232 0.7283 0.077
0.55 222 1.479 0.828 0.1709
0.55 234 0.6827 0.6538 0.0833
0.55 246 -0.0708 0.6792 0.0311
0.55 258 0.1417 0.7666 0.0341
0.65 30 0.9203 0.8912 0.1089
0.65 42 -0.1998 0.639 0.0376
0.65 54 0.7033 0.6822 0.0855
0.65 150 -1.0875 0.6827 0.1273
0.65 162 1.1237 0.856 0.1313
0.65 174 0.3762 0.8042 0.0523
0.65 222 -0.1448 0.5873 0.0342
0.65 234 0.2065 0.5154 0.0381
0.65 246 -0.437 0.5691 0.0581
0.65 258 0.7987 0.7545 0.0957
0.75 138 -0.5385 0.7438 0.0682
0.75 150 0.7446 0.8533 0.0899
0.75 210 -0.156 0.7094 0.0349
0.75 222 0.8248 0.5884 0.0985
0.75 234 -0.4872 0.4735 0.063
0.75 246 -0.3374 0.4283 0.0487
0.75 258 -0.4431 0.639 0.0587
0.85 222 0.3322 0.5443 0.0483
0.85 234 0.294 0.5622 0.0449
0.85 246 -0.0377 0.5142 0.0303
0.85 258 0.1837 0.7108 0.0366