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Measurement E151M2256

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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: ALL,

Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.7075 GeV2
W : 1445 GeV
ε : 0.8681
Ebeam : 2.999 GeV
εL: 0.5897 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALL,
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
ALL Stat. error Syst. error
0.55 90 0.9984 0.8754 0.0784
0.75 270 0.8375 0.8676 0.0677
0.75 282 0.5673 0.9134 0.0509
0.85 258 -1.6034 0.8364 0.1201
0.85 270 1.4268 0.7541 0.1077
0.85 294 -0.3258 0.8024 0.0382
0.85 306 0.6092 0.7334 0.0534
0.85 318 1.3914 0.7692 0.1053
0.85 330 1.3031 0.7395 0.0991