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Measurement E151M3642

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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 : 0.1205 GeV2
W : 1865 GeV
ε : 0.8064
Ebeam : 2.999 GeV
εL: 0.0463 

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
0.65 282 -0.4486 0.2337 0.0313
0.75 102 0.2141 0.2729 0.0303
0.75 114 -0.0554 0.279 0.03
0.75 198 -0.5572 0.218 0.032
0.75 282 -0.0909 0.2887 0.0301
0.85 102 -0.1177 0.2235 0.0301
0.85 114 0.0321 0.2542 0.03
0.85 126 0.037 0.2679 0.03
0.85 174 -0.0472 0.2792 0.03
0.85 198 -0.0233 0.221 0.03
0.85 210 0.6319 0.2033 0.0326
0.85 222 -0.4592 0.2091 0.0314