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Measurement E151M1019

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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 : 1415 GeV
ε : 0.9221
Ebeam : 2.999 GeV
εL: 0.5709 

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
0.25 294 -0.3108 0.6016 0.0376
0.45 90 -0.2301 0.7904 0.0344
0.55 66 0.4597 0.8086 0.045
0.55 78 1.6471 0.8385 0.1241
0.55 90 0.0628 0.6428 0.0303
0.55 102 -0.5896 0.6085 0.0525
0.65 78 -0.4442 0.5811 0.0442
0.65 90 1.3679 0.5293 0.1044
0.65 102 -0.3884 0.5443 0.0413
0.65 114 -1.1984 0.4824 0.0926
0.65 246 -0.004 0.8205 0.03
0.65 258 -1.352 0.4368 0.1033
0.65 270 -0.4348 0.5976 0.0437
0.65 282 1.2235 0.8439 0.0943
0.75 54 0.3197 0.6296 0.038
0.75 66 2.069 0.9187 0.1542
0.75 78 -0.6679 0.4742 0.0573
0.75 90 -0.5921 0.4448 0.0527
0.75 102 -0.1654 0.5997 0.0323
0.75 114 1.7252 0.8469 0.1296
0.75 126 -0.3023 0.7987 0.0373
0.75 234 0.2862 0.8103 0.0366
0.75 246 1.44 0.8374 0.1094
0.75 258 0.835 0.6425 0.068
0.75 270 0.301 0.5202 0.0372
0.75 282 -0.2348 0.4866 0.0346
0.75 294 -0.7161 0.5014 0.0603
0.75 306 0.7503 0.752 0.0625
0.85 42 1.3793 0.8985 0.1052
0.85 54 0.3102 0.7058 0.0376
0.85 78 0.1832 0.6142 0.0329
0.85 90 -0.4453 0.4751 0.0443
0.85 102 0.627 0.5761 0.0548
0.85 114 0.5369 0.6961 0.0494
0.85 126 0.6709 0.8051 0.0575
0.85 210 -0.3859 0.7285 0.0412
0.85 222 0.4932 0.6198 0.0469
0.85 234 0.0222 0.6197 0.03
0.85 246 0.3535 0.6671 0.0396
0.85 258 -0.5493 0.5481 0.0501
0.85 270 0.4439 0.546 0.0442
0.85 282 0.155 0.4849 0.0321
0.85 294 0.2404 0.5166 0.0348
0.85 306 -0.1888 0.4817 0.033
0.85 318 -0.8528 0.4389 0.0692
0.95 210 -0.9171 0.594 0.0734
0.95 222 -1.0493 0.5082 0.0824
0.95 234 -0.0985 0.5644 0.0309
0.95 246 -0.5427 0.511 0.0497
0.95 258 -0.2273 0.5691 0.0343
0.95 270 -0.1238 0.4551 0.0313
0.95 282 -0.1056 0.5161 0.031
0.95 294 -0.1532 0.4903 0.032
0.95 306 -0.0327 0.524 0.0301
0.95 318 0.2535 0.5176 0.0353
0.95 330 -0.284 0.5924 0.0365
0.95 342 -0.4795 0.6145 0.0461