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Measurement E151M1035

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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 : 0.101 GeV2
W : 1475 GeV
ε : 0.9537
Ebeam : 2.999 GeV
εL: 0.1739 

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
0.25 54 -0.689 0.6611 0.0586
0.25 66 0.7923 0.8803 0.0652
0.25 294 -0.0326 0.8024 0.0301
0.35 78 -1.7049 0.419 0.1282
0.35 282 -0.1049 0.7064 0.031
0.35 294 -0.09 0.7739 0.0307
0.45 270 1.1136 0.7693 0.0867
0.45 282 2.3819 2.3819 0.1767
0.55 54 0.493 0.8598 0.0469
0.55 102 -1.3909 0.4972 0.106
0.55 126 -2.0607 0.465 0.1536
0.55 282 0.9722 0.7701 0.0771
0.65 90 0.1218 0.8548 0.0313
0.65 102 0.2478 0.8122 0.035
0.65 114 -1.0341 0.5692 0.0813
0.65 126 0.1758 0.7648 0.0326
0.65 138 -0.4916 0.8156 0.0468
0.65 234 2.4901 2.4901 0.1845
0.65 246 1.1875 0.8162 0.0918
0.75 102 -0.2 0.5944 0.0334
0.75 114 -0.6003 0.4965 0.0532
0.75 126 0.0355 0.7737 0.0301
0.75 138 -1.4584 0.5643 0.1107
0.75 210 0.7185 0.8475 0.0605
0.75 222 1.207 0.7208 0.0932
0.75 234 0.9357 0.682 0.0747
0.75 246 0.9927 0.8345 0.0785
0.75 258 -0.0724 0.5961 0.0305
0.85 78 1.0512 0.8432 0.0825
0.85 90 2.3961 1.4163 0.1777
0.85 114 -1.1133 0.4457 0.0867
0.85 126 -0.1597 0.5958 0.0322
0.85 138 -0.298 0.6822 0.0371
0.85 210 1.6833 1.0615 0.1266
0.85 222 -0.152 0.6249 0.032
0.85 234 0.7305 0.5965 0.0612
0.85 246 1.2576 0.5934 0.0967
0.85 258 1.3694 0.6024 0.1045
0.85 270 1.7624 0.7596 0.1323
0.95 222 -0.9724 0.5634 0.0771
0.95 246 -0.1605 0.629 0.0322
0.95 258 -0.5389 0.4762 0.0495
0.95 270 1.4818 0.64 0.1124