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Measurement E151M883

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

Q2 : 0.0415 GeV2
W : 1595 GeV
ε : 0.8752
Ebeam : 2.2596 GeV
εL: 0.0441 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): AUL,
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 		AUL Stat. error Syst. error
0.45 126 -0.5296 0.7748 0.0459
0.45 270 0.0045 0.7116 0.03
0.55 126 0.2542 0.7937 0.0343
0.55 270 0.9158 0.7257 0.0672
0.55 282 -0.5772 0.6842 0.0483
0.65 126 -0.6624 0.7515 0.0528
0.65 222 0.6057 0.8432 0.0498
0.75 66 -0.3499 0.7168 0.0378
0.75 126 -0.3911 0.7829 0.0395
0.75 138 0.946 0.9365 0.0689
0.75 198 -0.5239 0.8373 0.0456
0.75 210 1.0644 0.7667 0.076
0.75 222 0.0376 0.8075 0.0301
0.75 234 1.2039 0.8192 0.0845
0.75 270 0.56 0.8015 0.0474
0.75 282 -0.6709 0.5711 0.0533
0.85 114 -0.1231 0.7707 0.0311
0.85 210 0.1497 0.8398 0.0316
0.45 282 -0.1468 0.6149 0.0329
0.55 114 -0.5061 0.7738 0.0555
0.55 126 -1.0043 0.6051 0.0974
0.55 270 -0.4493 0.629 0.0512
0.65 114 -1.744 0.6063 0.1637
0.65 138 -0.1427 0.8126 0.0328
0.65 210 1.3739 0.7751 0.1303
0.65 222 0.38 0.765 0.0462
0.75 126 0.2728 0.9193 0.0392
0.75 138 1.5002 0.9882 0.1417
0.75 210 0.6626 0.7926 0.0681
0.75 234 -0.7484 0.6508 0.0753
0.75 282 -0.7947 0.5756 0.0792
0.85 102 0.5181 1.0374 0.0565
0.85 114 -0.9176 0.7908 0.0898
0.85 126 -0.4621 0.8625 0.0521
0.85 210 0.389 0.8418 0.0468
0.85 222 1.8622 0.8467 0.1745
0.85 234 0.6417 0.9244 0.0664