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Measurement E151M2809

Experiment: EG4
Year: 2016

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).
Spokesperson: Xiaochao Zheng
Reaction: ep → π+n
Polarization: beam (longitudinal), target (longitudinal)
Quantity: ALU
εL: 0.0136
Q2: 0.0084 GeV2
W: 1475.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7778

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.55 222.0 -0.7469 0.2209 0.0335
0.55 234.0 -0.0875 0.2349 0.0301
0.65 222.0 0.1434 0.2557 0.0301
0.65 234.0 -0.0113 0.2288 0.0301
0.75 222.0 -0.3724 0.3079 0.0309
0.75 234.0 -0.0588 0.2716 0.03
Created in SINP MSU, CLAS Collaboration