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Measurement E151M1494

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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 : 0.0143 GeV2
W : 1325 GeV
ε : 0.9061
Ebeam : 1.3383 GeV
εL: 0.0579 

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
0.55 246 0.3161 0.6426 0.0355
0.55 258 -0.4218 0.7616 0.0392
0.65 126 0.1359 0.7675 0.0311
0.65 138 1.4625 0.7415 0.0926
0.65 150 -0.3549 0.6686 0.0368
0.65 222 0.0002 0.6969 0.03
0.65 234 -0.0478 0.5782 0.0301
0.65 246 0.3088 0.5376 0.0352
0.65 258 -0.377 0.6205 0.0376
0.75 138 -0.439 0.5651 0.0399
0.75 150 0.5159 0.7312 0.0431
0.75 174 0.6476 0.6346 0.0491
0.75 222 -0.3041 0.6972 0.0351
0.75 234 0.4795 0.509 0.0415
0.75 246 0.5102 0.619 0.0428
0.75 258 0.9174 0.6439 0.0626
0.85 222 0.8107 0.6369 0.0571
0.85 234 -0.5199 0.5466 0.0433
0.85 246 0.0406 0.46 0.0301
0.85 258 0.1059 0.6013 0.0307
0.45 42 -1.0689 0.8636 0.069
0.55 234 0.1039 0.9399 0.0306
0.55 246 -0.1172 0.8185 0.0308
0.55 258 -0.2838 1.0191 0.0342
0.65 138 0.1368 0.9749 0.031
0.65 210 0.7685 0.923 0.0538
0.65 222 0.7559 0.7796 0.0532
0.65 234 1.7457 0.4896 0.1058
0.65 246 -0.2273 0.6815 0.0328
0.65 258 0.0885 0.773 0.0304
0.75 138 -2.2876 2.2876 0.1364
0.75 150 0.5034 0.9509 0.0419
0.75 222 -0.1914 0.8104 0.032
0.75 234 0.267 0.669 0.0338
0.75 246 0.2342 0.6324 0.0329
0.75 258 1.2906 0.6849 0.0808
0.85 222 -1.5054 0.5811 0.0925
0.85 234 -0.4362 0.6933 0.0393
0.85 246 -0.6038 0.6395 0.0462
0.85 258 -0.4774 0.8235 0.0409