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Measurement E151M2421

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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 : 0.1435 GeV2
W : 1865 GeV
ε : 0.8008
Ebeam : 2.999 GeV
εL: 0.0538 

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
0.75 210 -0.3244 1.1306 0.0381
0.85 102 1.133 0.9944 0.0875
0.85 114 0.4096 0.9971 0.0422
0.85 126 1.7004 1.0622 0.1269
0.85 174 -1.1043 1.0681 0.0855
0.85 198 -0.0165 0.9764 0.03
0.85 210 0.0094 0.978 0.03
0.85 222 0.4144 1.006 0.0425