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Measurement E151M2892

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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 : 0.0593 GeV2
W : 1595 GeV
ε : 0.5483
Ebeam : 1.3383 GeV
εL: 0.0385 

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 -0.0709 0.3578 0.03
0.75 246 -0.2652 0.3727 0.0305
0.85 234 -0.6809 0.2038 0.0329
0.85 258 0.0967 0.4193 0.0301
0.55 234 0.3625 0.2574 0.0309
0.85 126 1.0041 1.0041 0.0361
0.85 234 -0.2714 0.2524 0.0305