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Measurement E151M1188

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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 : 0.1435 GeV2
W : 1835 GeV
ε : 0.8185
Ebeam : 2.999 GeV
εL: 0.0598 

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
0.75 270 1.7076 1.0451 0.1284
0.85 102 -0.0782 0.7698 0.0305
0.85 114 -1.3065 0.6138 0.1001
0.85 126 0.2377 0.9967 0.0347
0.85 174 -0.4087 0.8286 0.0423
0.85 186 -1.7857 0.6557 0.1339
0.85 198 -0.767 0.7747 0.0636
0.85 210 0.6883 0.9309 0.0586
0.85 222 -0.3414 0.8615 0.039
0.85 234 -0.6324 0.8541 0.0551