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Measurement E151M394

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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 : 0.0496 GeV2
W : 1505 GeV
ε : 0.7046
Ebeam : 1.3383 GeV
εL: 0.0598 

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
0.45 30 0.6685 1.097 0.0502
0.45 42 -0.3863 0.8155 0.038
0.55 138 -0.7267 0.6785 0.0531
0.55 150 -0.6405 0.7738 0.0489
0.55 222 -0.6589 0.5367 0.0497
0.55 234 0.4921 0.6734 0.0422
0.55 246 1.5877 0.8326 0.1002
0.65 126 -0.1272 0.7477 0.031
0.65 138 0.3338 0.9571 0.0361
0.65 150 0.2273 0.9568 0.033
0.65 198 3.3384 3.3384 0.2033
0.65 210 -0.8743 0.6001 0.0606
0.65 222 0.9078 0.7208 0.0624
0.65 234 1.0097 0.8039 0.0678
0.65 246 0.5396 0.736 0.0442
0.75 138 -0.6713 0.6215 0.0503
0.75 150 -1.6702 0.3206 0.105
0.75 162 -0.6007 0.6781 0.047
0.75 210 1.9966 0.9959 0.1239
0.75 222 0.5447 0.8603 0.0445
0.75 234 0.8938 0.8102 0.0616
0.75 246 -0.0657 0.5949 0.0303
0.75 258 -0.4852 0.5326 0.0419
0.85 210 0.7056 1.0141 0.052
0.85 222 -0.0348 0.6504 0.0301
0.85 234 -0.4847 0.4539 0.0419
0.85 246 1.097 0.9108 0.0726
0.85 258 -0.5231 0.5885 0.0435
0.95 126 -1.0664 0.4529 0.0709
0.95 246 0.3517 0.7135 0.0367
0.35 42 -1.2621 0.5101 0.0837
0.45 246 1.1161 0.5858 0.0753
0.55 138 -0.8403 0.585 0.0601
0.55 150 -0.8774 0.541 0.0621
0.55 162 -0.5121 0.5866 0.0437
0.55 210 0.8812 0.5563 0.0623
0.55 234 1.2874 0.4526 0.0852
0.55 246 0.343 0.5514 0.0368
0.65 126 -0.3426 0.593 0.0367
0.65 138 -0.643 0.4472 0.0499
0.65 150 -1.1445 0.4474 0.077
0.65 162 -0.8273 0.5223 0.0594
0.65 210 0.8849 0.4542 0.0625
0.65 222 -0.4716 0.4531 0.0419
0.65 234 1.706 0.403 0.1098
0.65 246 0.8447 0.5038 0.0603
0.65 258 0.3579 0.6364 0.0373
0.75 126 -0.7302 0.4567 0.0543
0.75 138 -0.9606 0.4555 0.0666
0.75 150 -0.4661 0.5227 0.0416
0.75 162 0.4164 0.5488 0.0396
0.75 222 0.0358 0.5387 0.0301
0.75 234 0.0458 0.4717 0.0301
0.75 246 0.2778 0.4279 0.0346
0.75 258 0.9657 0.5195 0.0669
0.85 126 -0.6868 0.5505 0.052
0.85 138 -0.5876 0.5431 0.0472
0.85 222 0.7343 0.5325 0.0545
0.85 234 0.6378 0.4803 0.0496
0.85 246 0.0728 0.4088 0.0303
0.85 258 -0.7229 0.5117 0.0539
0.95 138 0.0395 0.5477 0.0301
0.95 234 0.3653 0.5056 0.0376
0.95 246 0.1659 0.4818 0.0317