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Measurement E151M2639

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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 : 1475 GeV
ε : 0.5361
Ebeam : 1.0539 GeV
εL: 0.061 

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 54 0.1471 0.2269 0.0301
0.55 246 -0.3985 0.2177 0.031
0.65 234 -0.2874 0.246 0.0305
0.65 246 -0.0273 0.1773 0.03
0.65 258 -0.4455 0.1725 0.0313
0.75 246 -0.1726 0.2414 0.0302
0.75 258 -0.4108 0.1912 0.0311
0.85 246 -0.5647 0.2277 0.0321
0.85 258 -0.0938 0.2077 0.0301
0.85 270 -0.4277 0.2466 0.0312