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Measurement E151M660

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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 : 1595 GeV
ε : 0.8071
Ebeam : 1.9889 GeV
εL: 0.0922 

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
0.35 270 1.3871 0.7968 0.09
0.65 114 0.3399 0.7906 0.0365
0.65 126 0.534 0.773 0.0444
0.65 138 -0.2619 0.7746 0.034
0.65 210 1.4958 0.7904 0.0963
0.65 222 0.3581 0.7504 0.0371
0.65 282 -0.3717 0.7228 0.0376
0.65 294 0.8715 0.8788 0.0612
0.75 114 -1.3285 0.6108 0.0866
0.75 126 -1.0322 0.6742 0.0699
0.75 138 -0.2041 0.7664 0.0325
0.75 210 0.3682 0.7637 0.0375
0.75 222 0.7879 0.7509 0.0568
0.75 234 -0.5062 0.6743 0.0431
0.75 282 0.7159 0.689 0.0531
0.75 294 1.9929 0.6836 0.1255
0.85 102 -0.0931 0.6615 0.0305
0.85 114 0.0364 0.731 0.0301
0.85 210 -0.1968 0.5933 0.0323
0.85 222 1.0333 0.6952 0.07
0.85 234 -0.5274 0.5255 0.0441
0.85 246 0.9968 0.6551 0.0679
0.95 126 -1.9474 0.3924 0.1228
0.95 234 -0.2477 0.6437 0.0336
0.95 246 -1.1431 0.5129 0.0761