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Measurement E151M3035

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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 : 0.348 GeV2
W : 1445 GeV
ε : 0.8109
Ebeam : 1.9889 GeV
εL: 0.4107 

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 90 0.349 0.2424 0.0308
0.65 102 -0.1187 0.2539 0.0301
0.75 90 0.3987 0.2529 0.031
0.75 102 -0.3886 0.2489 0.031
0.75 246 -0.0122 0.2776 0.03
0.75 258 -0.2193 0.2376 0.0303
0.75 270 -0.4289 0.2356 0.0312
0.85 246 -0.2179 0.2466 0.0303
0.85 270 0.5062 0.2417 0.0317
0.85 282 0.191 0.2386 0.0302
0.85 294 -0.0971 0.2439 0.0301
0.95 282 0.1492 0.2553 0.0301
0.95 294 0.359 0.262 0.0308