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Measurement E151M2623

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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 : 0.0844 GeV2
W : 1445 GeV
ε : 0.5659
Ebeam : 1.0539 GeV
εL: 0.1008 

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
0.35 42 0.2533 0.2397 0.0304
0.55 258 -0.0809 0.2155 0.03
0.65 234 0.0429 0.2542 0.03
0.65 258 -0.2406 0.2119 0.0304
0.75 246 0.204 0.2255 0.0303
0.75 258 -0.0722 0.2261 0.03
0.85 234 0.2995 0.2411 0.0306
0.85 258 0.0706 0.2389 0.03