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Measurement E151M261

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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 : 0.0593 GeV2
W : 1295 GeV
ε : 0.8972
Ebeam : 1.3383 GeV
εL: 0.2556 

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
0.55 258 -0.8094 0.423 0.0572
0.55 270 0.0864 0.6136 0.0304
0.55 282 0.4126 1.3145 0.039
0.65 234 -0.7934 0.4568 0.0564
0.65 246 0.2821 0.6169 0.0345
0.65 258 0.8237 0.5806 0.058
0.65 270 -0.1609 0.5493 0.0315
0.65 282 -0.5151 0.5822 0.0432
0.75 114 0.817 1.0406 0.0576
0.75 126 0.6218 0.757 0.048
0.75 138 0.5615 0.7559 0.0452
0.75 150 0.623 1.0478 0.048
0.75 222 -0.7907 0.467 0.0563
0.75 234 1.2235 0.8371 0.0796
0.75 246 -0.3137 0.416 0.0355
0.75 258 0.3737 0.5078 0.0375
0.75 270 0.1381 0.5498 0.0311
0.75 282 -0.0494 0.5939 0.0301
0.85 114 -0.3061 0.5978 0.0352
0.85 126 0.3577 0.5246 0.0369
0.85 138 -0.2056 0.4845 0.0325
0.85 150 -0.7977 0.4314 0.0566
0.85 162 1.252 0.731 0.0811
0.85 174 -0.5572 0.544 0.045
0.85 186 -0.8573 0.4967 0.0597
0.85 222 1.0065 0.8701 0.0676
0.85 234 -0.9637 0.3014 0.0653
0.85 246 0.3728 0.5894 0.0375
0.85 258 -0.0207 0.434 0.03
0.85 270 0.3281 0.4902 0.0359
0.85 282 -0.1981 0.4525 0.0323
0.85 294 1.624 0.8856 0.1023
0.95 90 0.8257 0.8554 0.0581
0.95 102 -0.1192 0.7393 0.0308
0.95 114 -0.152 0.5703 0.0314
0.95 126 0.1547 0.751 0.0314
0.95 138 -0.1227 0.6384 0.0309
0.95 150 -0.306 0.6145 0.0352
0.95 174 -0.6979 0.4513 0.0516
0.95 234 -0.2778 0.5087 0.0343
0.95 246 0.724 0.632 0.0529
0.95 258 -0.1205 0.5646 0.0309
0.95 270 -0.1855 0.4974 0.032
0.95 282 0.0918 0.6518 0.0305
0.15 42 0.2578 0.5598 0.034
0.55 246 0.2588 0.5234 0.034
0.55 258 0.2857 0.3962 0.0348
0.55 270 -0.042 0.3775 0.0301
0.55 282 -0.1918 0.5621 0.0323
0.65 126 -1.1635 0.4784 0.078
0.65 234 -0.5624 0.5253 0.046
0.65 246 0.1522 0.3703 0.0314
0.65 258 -0.1938 0.3604 0.0323
0.65 270 0.049 0.3554 0.0302
0.65 282 -1.2897 0.3938 0.0853
0.75 114 0.1816 0.5427 0.032
0.75 126 -0.0485 0.3917 0.0302
0.75 138 -0.1644 0.4309 0.0317
0.75 150 0.2613 0.4699 0.0341
0.75 162 0.3706 0.5465 0.0378
0.75 174 0.9484 0.5402 0.0659
0.75 222 -0.0568 0.5591 0.0302
0.75 234 0.3559 0.4396 0.0372
0.75 246 -0.1429 0.2991 0.0313
0.75 258 -0.1619 0.3185 0.0316
0.75 270 -0.0739 0.3372 0.0303
0.75 282 0.0664 0.3924 0.0303
0.85 114 -0.105 0.4327 0.0307
0.85 126 -0.3661 0.3331 0.0376
0.85 138 0.4338 0.3887 0.0403
0.85 150 -0.2781 0.5516 0.0346
0.85 162 -0.5027 0.4592 0.0432
0.85 174 -0.5969 0.422 0.0476
0.85 186 -1.047 0.4951 0.0714
0.85 198 -0.6296 0.5091 0.0492
0.85 222 0.146 0.4778 0.0313
0.85 234 -0.3373 0.3973 0.0366
0.85 246 -0.0685 0.3421 0.0303
0.85 258 -0.5219 0.2777 0.0441
0.85 270 -0.0937 0.2842 0.0306
0.85 282 0.1459 0.3378 0.0313
0.95 90 0.073 0.4285 0.0303
0.95 138 -0.038 0.4841 0.0301
0.95 150 -0.2379 0.3937 0.0334
0.95 162 0.1055 0.4757 0.0307
0.95 234 0.2965 0.3904 0.0352
0.95 246 0.4439 0.4791 0.0407
0.95 258 -0.0746 0.4149 0.0304
0.95 270 -0.1553 0.372 0.0315