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Measurement E151M383

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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 : 0.205 GeV2
W : 1475 GeV
ε : 0.6135
Ebeam : 1.3383 GeV
εL: 0.1968 

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 Data errors Systematic errors
0.65 126 -1.5075 0.5814 0.0956
0.65 246 -0.0138 0.8484 0.03
0.75 234 3.6296 3.6296 0.2206
0.75 258 1.8727 1.2585 0.1167
0.85 258 1.8648 1.1974 0.1162
0.55 246 0.277 0.7061 0.0346
0.85 270 0.3837 0.6519 0.0383
0.95 102 -0.1676 0.6202 0.0317