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Measurement E151M662

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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 : 1595 GeV
ε : 0.7892
Ebeam : 1.9889 GeV
εL: 0.1221 

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 -0.814 0.6361 0.0581
0.65 234 0.1812 0.8322 0.032
0.65 294 -0.7858 0.6004 0.0567
0.75 114 0.9839 0.837 0.0672
0.75 222 0.9976 0.6727 0.068
0.75 234 2.2232 0.7724 0.1392
0.75 246 1.6864 0.816 0.1074
0.85 102 -0.8538 0.6521 0.0602
0.85 114 -1.2396 0.6531 0.0815
0.85 222 0.574 0.6674 0.0462
0.85 234 -0.1511 0.7132 0.0314
0.85 246 0.7186 0.8096 0.0532
0.95 222 -0.1316 0.6139 0.0311
0.95 246 -0.2825 0.5318 0.0346
0.95 258 -0.572 0.5259 0.0461