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Measurement E151M665

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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 : 0.2445 GeV2
W : 1595 GeV
ε : 0.7455
Ebeam : 1.9889 GeV
εL: 0.1763 

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
0.65 114 -1.0053 0.6795 0.0684
0.75 126 -0.5661 0.7225 0.0458
0.75 210 0.578 0.8031 0.0464
0.85 90 0.3582 0.7673 0.0371
0.85 234 0.3559 0.7326 0.0371
0.85 258 0.3016 0.7508 0.0352
0.95 222 0.1591 0.7328 0.0315