CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M286

You are not logged in.

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 : 0.1715 GeV2
W : 1325 GeV
ε : 0.8059
Ebeam : 1.3383 GeV
εL: 0.4442 

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
0.65 258 0.8859 1.0253 0.0612
0.65 270 0.2549 0.7641 0.0337
0.75 102 -1.1893 0.5277 0.0776
0.75 114 -0.4082 0.7331 0.0388
0.75 138 1.6689 1.3756 0.1049
0.75 246 -0.346 0.6523 0.0365
0.75 258 -0.0168 0.7442 0.03
0.75 270 0.9569 0.9842 0.065
0.75 282 -1.1053 0.4815 0.073
0.85 102 0.2478 0.8276 0.0335
0.85 114 0.8203 0.9208 0.0578
0.85 126 0.5907 0.9363 0.0465
0.85 138 -0.6178 0.6266 0.0478
0.85 150 0.1743 0.9468 0.0318
0.85 162 0.9507 1.0856 0.0646
0.85 258 -0.423 0.6162 0.0394
0.85 270 0.8855 0.9572 0.0612
0.85 282 -0.1557 0.7088 0.0314
0.85 294 0.1133 0.8213 0.0308
0.95 66 -0.3674 0.6741 0.0373
0.95 126 1.8166 0.9751 0.1134
0.95 246 0.7054 0.8678 0.052
0.95 270 -1.0598 0.3604 0.0705
0.95 282 2.6601 2.6601 0.163
0.95 294 0.747 0.8391 0.0541
0.55 258 -0.4608 0.6148 0.0414
0.55 270 1.2399 0.5915 0.0824
0.65 258 -0.0869 0.5471 0.0305
0.65 270 0.72 0.629 0.0537
0.75 114 0.5742 0.5275 0.0465
0.75 126 -0.2416 0.6368 0.0335
0.75 138 0.7227 0.5932 0.0539
0.75 246 -0.9438 0.4437 0.0657
0.75 258 0.9384 0.5789 0.0654
0.75 270 0.8581 0.5904 0.061
0.75 282 -0.3122 0.5823 0.0357
0.85 102 0.9962 0.4692 0.0686
0.85 114 0.3101 0.5218 0.0356
0.85 126 -0.2019 0.6318 0.0325
0.85 138 -0.4213 0.6234 0.0398
0.85 150 0.226 0.5386 0.0331
0.85 234 -0.234 0.6029 0.0333
0.85 246 -1.1017 0.5033 0.0745
0.85 258 0.4357 0.6105 0.0403
0.85 270 -0.3465 0.5387 0.0369
0.85 282 0.0503 0.5221 0.0302
0.85 294 -0.0716 0.4565 0.0303
0.95 78 0.5014 0.491 0.0432
0.95 114 0.0171 0.5481 0.03
0.95 126 -0.4367 0.5303 0.0404
0.95 258 -0.5267 0.4838 0.0443
0.95 270 0.9576 0.48 0.0664
0.95 282 0.3498 0.5075 0.037
0.95 294 -0.133 0.521 0.0311