CLAS Physics Database

Measurement E151M1091

Experiment: EG4
Year: 2016

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).
Spokesperson: Xiaochao Zheng
Reaction: ep → π+n
Polarization: beam (longitudinal), target (longitudinal)
Quantity: AUL
εL: 0.2401
Q2: 0.2915 GeV2
W: 1595.0 GeV
Ebeam: 2.999 GeV
ε: 0.8938

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.35 282.0 -0.9127 0.6811
0.45 90.0 -0.775 0.7706
0.45 102.0 -0.8728 0.7332
0.45 114.0 -0.9858 0.7091
0.45 270.0 -0.2385 0.7923
0.45 282.0 1.352 0.7464
0.55 90.0 -0.002 0.7869
0.55 102.0 0.8143 0.8597
0.55 114.0 -0.0099 0.7044
0.65 90.0 0.6493 0.9224
0.65 102.0 -1.4817 0.516
0.65 114.0 1.4479 0.8068
0.65 126.0 -0.2725 0.8518
0.65 138.0 -0.7709 0.7852
0.65 210.0 0.2738 0.8861
0.65 222.0 1.4302 0.9702
0.65 234.0 0.5759 0.9726
0.65 246.0 1.1394 0.8606
0.65 258.0 0.8158 1.0174
0.65 294.0 -0.5 0.5746
0.65 306.0 1.1539 0.8579
0.75 66.0 -0.4922 0.6348
0.75 78.0 -0.2252 0.8038
0.75 90.0 0.685 0.7636
0.75 102.0 -1.1144 0.5844
0.75 114.0 -0.4727 0.539
0.75 126.0 -1.0465 0.6817
0.75 138.0 1.3459 0.9639
0.75 186.0 -0.7839 0.8236
0.75 198.0 -0.6685 0.7121
0.75 210.0 0.6109 0.7699
0.75 222.0 0.9565 0.7789
0.75 234.0 -0.2144 0.6112
0.75 246.0 0.7799 0.7637
0.75 258.0 1.9577 1.0917
0.75 294.0 0.1108 0.869
0.85 54.0 -1.6587 0.5331
0.85 66.0 -0.3915 0.4792
0.85 78.0 -0.1557 0.5751
0.85 90.0 -0.0826 0.7276
0.85 102.0 -0.5575 0.8256
0.85 114.0 -1.2771 0.5128
0.85 126.0 -0.8932 0.7193
0.85 186.0 1.1381 0.8781
0.85 198.0 -0.2617 0.7527
0.85 210.0 0.0389 0.6837
0.85 222.0 0.7952 0.7059
0.85 234.0 0.2986 0.6286
0.85 246.0 0.6937 0.6381
0.85 258.0 -0.0913 0.5565
0.85 270.0 0.5906 0.5998
0.85 282.0 0.2665 0.6817
0.95 66.0 -0.5675 0.713
0.95 78.0 0.4913 0.841
0.95 90.0 -0.5576 0.7424
0.95 198.0 -0.2836 0.7365
0.95 210.0 0.3284 0.7183
0.95 222.0 -0.2642 0.6539
0.95 234.0 0.6911 0.6224
0.95 246.0 0.4793 0.5825
0.95 258.0 0.3591 0.6128
0.95 270.0 -0.2223 0.529
0.95 282.0 0.7901 0.5602
0.95 294.0 0.5666 0.5324
0.95 306.0 -0.1496 0.5446