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Measurement E151M1160

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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 : 1775 GeV
ε : 0.8655
Ebeam : 2.999 GeV
εL: 0.0393 

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
0.65 138 3.8492 3.8492 0.2829
0.75 210 2.4769 0.9696 0.1835
0.75 222 0.0352 0.8589 0.0301
0.85 102 -0.4894 0.7785 0.0467
0.85 126 1.3662 1.0645 0.1043
0.85 174 -1.562 0.7119 0.118
0.85 186 -0.1321 0.7941 0.0315
0.85 198 -0.6311 0.7208 0.055
0.85 210 -0.4114 0.6999 0.0425
0.85 222 -0.3994 0.6998 0.0419