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Measurement E151M3641

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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 : 0.101 GeV2
W : 1865 GeV
ε : 0.8111
Ebeam : 2.999 GeV
εL: 0.0396 

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
0.65 198 0.125 0.2859 0.0301
0.75 102 0.2672 0.2641 0.0305
0.75 114 0.3528 0.2431 0.0308
0.75 198 -0.2347 0.2839 0.0304
0.75 210 0.3058 0.2183 0.0306
0.75 258 0.2359 0.259 0.0304
0.75 270 0.0468 0.2456 0.03
0.75 282 0.046 0.2675 0.03
0.85 102 -0.0856 0.225 0.03
0.85 114 -0.3079 0.187 0.0306
0.85 126 0.084 0.259 0.03
0.85 186 -0.3465 0.2225 0.0308
0.85 198 -0.2054 0.2081 0.0303
0.85 210 0.0889 0.2257 0.0301