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Measurement E151M75

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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 : 0.0707 GeV2
W : 1295 GeV
ε : 0.8099
Ebeam : 1.0539 GeV
εL: 0.2682 

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
0.15 42 0.618 0.7755 0.0764
0.25 30 -0.1936 0.74 0.0372
0.25 42 -0.2169 0.7354 0.0388
0.35 30 0.7028 0.8072 0.0854
0.35 42 0.3708 0.7399 0.0518
0.45 270 0.0194 0.5839 0.0301
0.55 246 0.3454 0.6421 0.0494
0.55 258 0.0189 0.4582 0.0301
0.55 270 -0.2624 0.3493 0.0423
0.55 282 -0.5913 0.5101 0.0737
0.65 234 -0.5478 0.5279 0.0692
0.65 246 0.5289 0.4101 0.0672
0.65 258 0.3296 0.3611 0.048
0.65 270 -0.5146 0.3401 0.0658
0.65 282 -0.2666 0.5184 0.0427
0.75 126 -0.4824 0.5755 0.0625
0.75 138 0.0968 0.548 0.032
0.75 150 -0.1673 0.4882 0.0355
0.75 162 0.6791 0.5811 0.0829
0.75 222 -0.6686 0.5867 0.0818
0.75 234 0.4392 0.5214 0.0583
0.75 246 0.6267 0.4227 0.0774
0.75 258 0.5945 0.3936 0.074
0.75 270 0.4502 0.3745 0.0594
0.75 282 -0.1881 0.3958 0.0369
0.75 294 -0.1261 0.6462 0.0333
0.85 114 -0.2521 0.6473 0.0415
0.85 126 -0.3479 0.4886 0.0497
0.85 138 -0.1971 0.4841 0.0375
0.85 150 -0.4558 0.4077 0.0599
0.85 162 1.2578 0.5304 0.1462
0.85 174 0.1601 0.4747 0.0351
0.85 186 0.0121 0.5486 0.03
0.85 198 -0.3101 0.5293 0.0463
0.85 222 0.3881 0.5781 0.0534
0.85 234 -1.0408 0.4383 0.1222
0.85 246 0.0695 0.414 0.031
0.85 258 -0.6124 0.3154 0.0759
0.85 270 0.4213 0.3582 0.0565
0.85 282 -0.5549 0.4 0.0699
0.95 102 0.887 0.5752 0.1053
0.95 114 -0.4982 0.5086 0.0641
0.95 126 -0.0736 0.4841 0.0311
0.95 138 0.7835 0.4847 0.0941
0.95 150 -0.7499 0.3918 0.0904
0.95 162 0.8499 0.4956 0.1012
0.95 174 -0.1472 0.5472 0.0344
0.95 186 0.4282 0.5364 0.0572
0.95 234 -0.543 0.4857 0.0687
0.95 258 0.2895 0.5255 0.0445