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Measurement E151M2447

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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 : 0.0121 GeV2
W : 1205 GeV
ε : 0.9348
Ebeam : 1.0539 GeV
εL: 0.1164 

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
0.55 258 0.2077 0.2298 0.0303
0.55 270 0.2569 0.2295 0.0304
0.65 246 -0.3372 0.1906 0.0307
0.65 258 -0.0202 0.2098 0.03
0.65 270 -0.0957 0.244 0.0301
0.75 186 -0.0284 0.2331 0.03
0.75 246 0.4419 0.2394 0.0313
0.75 258 -0.3201 0.2306 0.0307