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Measurement E151M448

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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 : 0.0593 GeV2
W : 1595 GeV
ε : 0.5483
Ebeam : 1.3383 GeV
εL: 0.0385 

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
0.65 222 -0.6681 0.7821 0.0502
0.75 246 -0.8661 0.7213 0.0602
0.85 234 0.3165 1.0057 0.0355
0.85 258 0.7248 1.1936 0.053
0.55 234 -0.4473 0.7139 0.0408
0.85 126 0.9459 0.7477 0.0658
0.85 234 0.0915 0.6605 0.0305