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Measurement E151M1180

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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 : 0.2915 GeV2
W : 1805 GeV
ε : 0.8009
Ebeam : 2.999 GeV
εL: 0.1154 

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
0.75 222 -0.7455 0.8427 0.0622
0.85 90 2.1601 1.143 0.1607
0.85 210 -0.8542 0.786 0.0693
0.95 210 0.7868 0.8712 0.0649
0.95 222 1.3455 0.9628 0.1028
0.95 234 0.015 0.8317 0.03