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Measurement E151M3195

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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: ALU,
Beam asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.0496 GeV2
W : 1295 GeV
ε : 0.9699
Ebeam : 2.2596 GeV
εL: 0.2366 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALU,
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
ALU Stat. error Syst. error
0.75 258 -0.1177 0.2386 0.0301
0.85 246 -0.3351 0.2253 0.0307
0.65 258 0.2526 0.2348 0.0304
0.75 258 -0.3815 0.204 0.031
0.75 270 -0.077 0.1978 0.03
0.85 114 0.0488 0.2437 0.03
0.85 126 -0.0374 0.2407 0.03
0.85 258 0.2928 0.2201 0.0306
0.85 270 -0.0512 0.2455 0.03