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Measurement E151M1454

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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: ALL,

Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.2915 GeV2
W : 1235 GeV
ε : 0.7954
Ebeam : 1.3383 GeV
εL: 0.9313 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALL,
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
ALL Stat. error Syst. error
0.55 270 1.0495 0.642 0.0697
0.75 294 0.5263 0.7326 0.0435
0.85 90 1.5522 0.6607 0.0977
0.85 126 -1.0663 0.7076 0.0706
0.45 282 1.004 0.8578 0.0656
0.55 270 0.7681 0.8158 0.0538
0.65 258 1.9475 1.9475 0.1172
0.65 270 -0.0132 0.8562 0.03
0.65 282 -0.9312 0.6008 0.0619
0.85 102 -0.2633 0.9119 0.0337
0.85 114 -0.9017 0.8982 0.0604