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Measurement E151M1814

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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 : 0.0291 GeV2
W : 1475 GeV
ε : 0.9061
Ebeam : 1.9889 GeV
εL: 0.053 

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
0.35 78 -0.8838 0.792 0.0614
0.35 282 -1.4841 0.69 0.0948
0.45 66 0.0744 0.8198 0.0303
0.45 78 0.7498 0.6169 0.0544
0.45 90 1.0183 0.6679 0.0686
0.45 270 1.4203 0.6365 0.0911
0.45 282 0.0721 0.6338 0.0303
0.45 294 -1.165 0.7308 0.0767
0.55 78 0.3199 0.6518 0.0357
0.55 90 -0.3654 0.8992 0.0373
0.55 126 -1.0085 0.8417 0.0681
0.55 138 0.8856 0.7506 0.0615
0.55 222 0.4578 0.6737 0.0409
0.55 234 -0.3159 0.6288 0.0356
0.55 270 0.345 0.7962 0.0366
0.55 282 -0.8678 0.6288 0.0605
0.55 294 -1.0935 0.6532 0.0727
0.65 114 -1.4748 0.7128 0.0943
0.65 126 -0.2086 0.6838 0.0326
0.65 150 0.5885 0.7912 0.0466
0.65 210 0.6441 0.7794 0.0492
0.65 222 0.8663 0.7205 0.0605
0.65 234 -0.7172 0.5501 0.0528
0.65 246 -0.3723 0.7331 0.0375
0.75 78 1.2192 0.8166 0.0797
0.75 114 -1.4093 0.64 0.0905
0.75 126 0.3645 0.6879 0.0373
0.75 138 -0.083 0.779 0.0304
0.75 150 -0.5366 0.8053 0.0442
0.75 198 1.0148 0.7708 0.0684
0.75 222 -0.4483 0.5818 0.0405
0.75 234 0.0086 0.6195 0.03
0.75 246 1.8929 0.6043 0.1186
0.75 282 0.8172 0.7784 0.0579
0.85 210 -1.6318 0.7069 0.1033
0.85 222 0.7852 0.688 0.0562
0.85 234 -0.5 0.6107 0.0426
0.85 246 0.504 0.7072 0.0428