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Measurement E151M374

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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 : 0.0415 GeV2
W : 1475 GeV
ε : 0.7509
Ebeam : 1.3383 GeV
εL: 0.0615 

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
0.35 30 0.9923 0.645 0.0684
0.45 30 -0.0104 0.5185 0.03
0.55 126 -0.924 0.5645 0.0646
0.55 138 -0.0629 0.5985 0.0303
0.55 150 -0.0885 0.5959 0.0305
0.55 162 -0.8376 0.608 0.0599
0.55 210 -0.2603 0.6062 0.0341
0.55 222 1.5324 0.5362 0.0995
0.55 234 1.1003 0.4573 0.0744
0.55 246 0.3348 0.4989 0.0365
0.65 126 0.1934 0.5619 0.0323
0.65 138 -0.0167 0.5268 0.03
0.65 150 -1.3532 0.4764 0.089
0.65 162 -1.1035 0.5718 0.0746
0.65 210 0.0328 0.5288 0.0301
0.65 222 0.9474 0.4683 0.0659
0.65 234 0.291 0.4346 0.035
0.65 246 -0.8509 0.4857 0.0606
0.75 126 -0.6907 0.5094 0.0522
0.75 138 -0.5068 0.4845 0.0434
0.75 150 -0.1838 0.5526 0.0321
0.75 162 0.836 0.6153 0.0598
0.75 222 1.628 0.4154 0.1052
0.75 234 0.8824 0.4621 0.0623
0.75 246 -0.2222 0.4193 0.033
0.75 258 1.2446 0.525 0.0827
0.85 138 -0.5112 0.646 0.0436
0.85 222 -0.7549 0.4822 0.0555
0.85 234 -0.1948 0.4395 0.0323
0.85 246 0.563 0.4055 0.046
0.85 258 0.0259 0.5438 0.03
0.95 234 1.78 0.4405 0.1142
0.95 246 0.0057 0.5391 0.03
0.95 258 0.2043 0.4625 0.0326
0.25 42 -0.5013 0.6877 0.0426
0.35 30 1.1632 1.1265 0.0762
0.35 42 0.2271 0.9993 0.033
0.45 18 -0.9203 0.6661 0.063
0.45 30 2.3101 2.3101 0.1423
0.45 42 0.6392 0.9961 0.0488
0.45 234 0.6049 1.1396 0.0472
0.55 138 -0.7499 0.7487 0.0542
0.55 150 -0.8191 0.7303 0.0577
0.55 210 0.1531 0.837 0.0314
0.55 222 -0.7595 0.5333 0.0547
0.55 234 0.7801 0.9123 0.0557
0.55 246 0.8476 0.9038 0.0592
0.65 126 -1.4081 0.567 0.0899
0.65 138 -0.5817 0.7567 0.0461
0.65 150 -0.1776 1.0021 0.0318
0.65 210 1.2965 1.0568 0.0836
0.65 222 -0.6524 0.5381 0.0494
0.65 234 -0.5872 0.5053 0.0464
0.65 246 -0.4646 0.6236 0.041
0.65 258 2.2587 2.2587 0.1393
0.75 126 2.5452 2.5452 0.1562
0.75 138 -0.5712 0.6338 0.0456
0.75 150 -0.1328 0.8668 0.031
0.75 210 1.1721 1.0668 0.0767
0.75 222 -0.2803 0.7021 0.0344
0.75 234 -0.2365 0.5917 0.0332
0.75 246 0.5023 0.7011 0.0426
0.75 258 0.0163 0.7784 0.03
0.85 126 -0.4543 0.7387 0.0406
0.85 210 0.4975 0.9108 0.0424
0.85 222 1.2942 0.9736 0.0835
0.85 234 -0.4291 0.5585 0.0396
0.85 246 -0.2129 0.535 0.0326
0.85 258 -0.1718 0.6242 0.0317
0.95 246 2.8429 2.8429 0.1738