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Measurement E151M602

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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 : 0.1715 GeV2
W : 1475 GeV
ε : 0.8577
Ebeam : 1.9889 GeV
εL: 0.2408 

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
0.15 306 0.2888 0.6708 0.0348
0.25 66 -0.9038 0.5064 0.0629
0.25 78 0.4972 0.8069 0.0427
0.25 294 0.8193 0.6141 0.0584
0.35 66 -0.2133 0.5781 0.0327
0.35 78 -0.2556 0.5448 0.0338
0.35 282 0.5781 0.5955 0.0464
0.35 294 -0.4743 0.6552 0.0417
0.45 66 1.994 0.7491 0.1256
0.45 78 -0.047 0.7289 0.0301
0.45 282 -0.4077 0.5797 0.039
0.45 294 0.552 0.6312 0.0452
0.55 66 1.4244 0.8138 0.0921
0.55 102 0.871 0.642 0.0611
0.55 114 -0.6129 0.5859 0.048
0.55 246 1.5736 0.7192 0.1008
0.55 258 0.3739 0.7265 0.0377
0.55 282 -1.1541 0.465 0.0767
0.55 306 -0.5948 0.5572 0.0472
0.65 66 -1.1138 0.5531 0.0744
0.65 90 -0.5009 0.5877 0.0429
0.65 102 0.6885 0.5847 0.0517
0.65 114 -0.545 0.4807 0.0448
0.65 126 -0.2129 0.5901 0.0327
0.65 138 -1.6972 0.463 0.1081
0.65 222 0.2551 0.6836 0.0338
0.65 234 0.5284 0.6968 0.0441
0.65 246 -0.8926 0.4661 0.0623
0.65 270 0.2434 0.7025 0.0335
0.65 306 1.6805 0.6569 0.1071
0.75 90 -1.7455 0.4259 0.1109
0.75 102 -0.2482 0.4817 0.0336
0.75 114 -0.0244 0.5497 0.03
0.75 126 -0.2664 0.5623 0.0341
0.75 138 0.9187 0.6642 0.0637
0.75 210 1.2434 0.6406 0.0818
0.75 222 1.2306 0.642 0.081
0.75 234 -0.8381 0.3967 0.0594
0.75 246 0.0568 0.5226 0.0302
0.75 258 1.8695 0.5757 0.1182
0.75 270 1.9857 0.6513 0.1251
0.85 78 1.9589 0.5084 0.1235
0.85 114 -0.1163 0.4913 0.0308
0.85 126 -1.0973 0.4051 0.0735
0.85 138 -0.7923 0.6204 0.057
0.85 210 1.0316 0.743 0.0699
0.85 222 -0.3703 0.5482 0.0376
0.85 234 -0.18 0.4633 0.032
0.85 246 0.3961 0.5581 0.0386
0.85 258 1.6978 0.4864 0.1081
0.85 270 0.679 0.5949 0.0512
0.95 78 -0.3217 0.6043 0.0359
0.95 90 -0.3101 0.4613 0.0355
0.95 222 -0.4083 0.5175 0.039
0.95 234 0.2425 0.5446 0.0335
0.95 246 0.1864 0.5214 0.0321
0.95 258 0.1147 0.4914 0.0308
0.95 270 -0.677 0.3347 0.0511
0.95 282 0.3272 0.5002 0.0361