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Measurement E151M3112

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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 : 0.0245 GeV2
W : 1625 GeV
ε : 0.8159
Ebeam : 1.9889 GeV
εL: 0.0221 

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
0.65 222 -0.1955 0.2694 0.0303
0.75 198 0.0212 0.2772 0.03
0.75 210 -0.367 0.2418 0.0309
0.85 126 0.0505 0.2728 0.03
0.85 138 -0.2666 0.2596 0.0305
0.85 222 0.2438 0.2212 0.0304