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Measurement E151M2132

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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 : 0.0593 GeV2
W : 1655 GeV
ε : 0.8345
Ebeam : 2.2596 GeV
εL: 0.0473 

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
0.45 270 0.1802 0.9576 0.0343
0.45 282 0.044 0.5916 0.0303
0.65 78 -1.2855 0.6721 0.0888
0.65 126 0.6769 0.7071 0.0533
0.65 210 0.2916 0.7422 0.0355
0.75 66 -0.2535 0.7059 0.0342
0.75 210 0.6343 0.8691 0.051
0.75 222 -0.3061 0.8142 0.036
0.75 234 -0.841 0.8745 0.0624
0.75 270 0.419 0.6031 0.0405
0.75 282 0.0689 0.6896 0.0303
0.75 294 1.0202 0.7191 0.0728
0.85 102 -2.074 0.6872 0.1382
0.85 114 1.1922 0.6468 0.0832
0.85 198 -0.9419 0.9393 0.0682
0.85 210 1.9251 0.7253 0.1288
0.85 222 -1.2323 0.6813 0.0856
0.55 126 -0.6167 1.0673 0.0641
0.55 270 0.5829 0.9225 0.0614
0.65 198 0.023 1.1581 0.0301
0.65 282 0.0624 0.9786 0.0305
0.75 198 0.1013 1.1773 0.0314
0.75 210 -1.0462 1.0611 0.1007
0.75 222 1.6686 1.012 0.1563
0.75 234 -0.4215 1.0584 0.049
0.75 270 0.1854 0.8232 0.0345
0.75 282 -2.2853 0.7913 0.2122
0.85 102 0.8676 1.3727 0.0852
0.85 114 1.1189 1.1561 0.1071
0.85 126 0.0644 1.2941 0.0306
0.85 198 -0.3363 1.2109 0.0431
0.85 210 0.0872 1.2802 0.0311
0.85 222 -0.898 1.3838 0.0878
0.85 234 1.2535 1.2666 0.119