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Measurement E151M2109

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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 : 0.0844 GeV2
W : 1595 GeV
ε : 0.8622
Ebeam : 2.2596 GeV
εL: 0.0839 

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
0.55 126 0.0247 0.7912 0.0301
0.55 270 0.852 0.733 0.0838
0.55 282 0.1577 0.7573 0.0333
0.65 114 -0.5537 0.9517 0.0591
0.65 294 0.6159 0.7068 0.0641
0.75 126 1.0164 0.9967 0.0981
0.75 210 -1.4672 0.7905 0.1381
0.75 234 1.8514 0.7146 0.1728
0.75 282 -1.3935 0.5838 0.1315
0.85 102 0.5057 0.8659 0.0553
0.85 114 -1.1716 1.0085 0.1118
0.85 210 -0.0961 0.8984 0.0313
0.85 222 -1.6021 0.7586 0.1503
0.85 234 -1.8752 0.7576 0.1749
0.95 234 -2.7326 2.635 0.2529
0.45 78 -0.4873 0.7279 0.0436
0.45 270 -0.2158 0.7888 0.0331
0.45 282 -1.3815 0.7505 0.0947
0.55 114 0.8572 0.7971 0.0633
0.65 126 -1.1808 0.8418 0.0825
0.65 138 -1.2074 0.9309 0.0841
0.65 222 -1.1241 0.7437 0.079
0.65 294 0.1477 0.8121 0.0315
0.75 114 -0.4513 0.8659 0.042
0.75 126 -1.6841 0.7866 0.1136
0.75 222 -1.529 0.9907 0.1039
0.75 234 2.1568 0.8723 0.1435
0.75 282 -0.2182 0.692 0.0332
0.75 294 -1.3291 0.7518 0.0915
0.85 90 -0.7309 0.9286 0.0562
0.85 102 -0.2587 0.8459 0.0344
0.85 198 -1.4582 0.9372 0.0995
0.85 210 0.565 0.8769 0.0474
0.85 222 1.1059 0.8026 0.0779
0.85 234 -1.8656 0.9187 0.125
0.85 246 -0.3283 0.8718 0.0368
0.95 246 0.338 1.4778 0.0372