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Measurement E151M1164

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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 : 0.1435 GeV2
W : 1775 GeV
ε : 0.8502
Ebeam : 2.999 GeV
εL: 0.0737 

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
0.65 54 0.1008 0.9325 0.0309
0.65 114 -0.4913 0.8014 0.0468
0.65 186 -0.6118 0.8818 0.0538
0.65 198 0.3375 0.9313 0.0388
0.65 222 1.2324 1.0837 0.0949
0.65 282 -0.2316 0.6952 0.0344
0.65 294 -0.8601 0.7666 0.0697
0.75 102 -0.3865 0.7881 0.0412
0.75 186 -1.0028 0.7741 0.0792
0.75 198 -0.1481 0.8003 0.0319
0.75 210 -0.4232 0.7263 0.0431
0.75 222 0.1478 0.856 0.0319
0.75 234 0.7386 0.8906 0.0618
0.75 270 0.348 0.8129 0.0393
0.75 282 -1.1721 0.5557 0.0908
0.75 294 0.1703 0.8731 0.0325
0.85 90 1.0447 0.7618 0.082
0.85 102 -0.242 0.5632 0.0348
0.85 114 -0.3219 0.5884 0.0381
0.85 126 -0.4502 0.8408 0.0445
0.85 174 -2.0316 0.5727 0.1515
0.85 186 -0.4985 0.7205 0.0472
0.85 198 -0.0736 0.6569 0.0305
0.85 210 -0.3079 0.6625 0.0375
0.85 222 -0.2746 0.6116 0.0361
0.85 234 1.1699 0.9488 0.0906
0.85 246 1.454 0.8573 0.1104
0.95 198 0.4656 0.9028 0.0454
0.95 210 0.1563 0.6961 0.0321
0.95 222 0.6409 0.8134 0.0556
0.95 234 -0.143 0.7834 0.0318