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Measurement E151M2731

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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 : 0.205 GeV2
W : 1325 GeV
ε : 0.7833
Ebeam : 1.3383 GeV
εL: 0.4846 

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
0.65 258 0.2209 0.2591 0.0303
0.75 138 -0.5726 0.258 0.0321
0.75 246 0.248 0.2546 0.0304
0.85 102 0.2023 0.2581 0.0303
0.85 138 -0.0082 0.2847 0.03
0.85 294 0.2556 0.2788 0.0304
0.65 282 -0.3692 0.4615 0.0309
0.75 114 -0.3963 0.4114 0.031
0.85 114 0.7773 0.1675 0.0338
0.85 282 -0.4461 0.351 0.0313