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Measurement E151M710

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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 : 0.0291 GeV2
W : 1715 GeV
ε : 0.732
Ebeam : 1.9889 GeV
εL: 0.0172 

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
0.55 258 0.0109 0.7122 0.03
0.65 198 0.3426 0.7545 0.0366
0.75 258 0.5664 0.7563 0.0458
0.75 270 0.2317 0.6734 0.0332
0.75 282 -0.0358 0.6147 0.0301
0.85 138 0.3974 0.7426 0.0386
0.85 210 -0.5848 0.6198 0.0467