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Measurement E151M2714

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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 : 0.2915 GeV2
W : 1295 GeV
ε : 0.7501
Ebeam : 1.3383 GeV
εL: 0.6504 

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
0.75 138 -0.3774 0.3547 0.0309
0.75 246 -0.1081 0.4111 0.0301
0.85 102 -0.1243 0.3602 0.0301
0.85 114 -0.4863 0.431 0.0315
0.85 282 -0.4278 0.2992 0.0312
0.65 294 -0.0222 0.285 0.03
0.85 102 0.1699 0.248 0.0302
0.85 126 0.1816 0.2493 0.0302
0.85 162 -0.0883 0.2604 0.0301
0.85 270 -0.373 0.2524 0.0309
0.85 294 -0.1785 0.2738 0.0302