CLAS Physics Database

Measurement E151M66

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: 0.0666
Q2: 0.0143 GeV2
W: 1295.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8663

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.25 42.0 -0.6239 0.5597
0.25 54.0 0.6453 0.6832
0.35 42.0 -0.0737 0.5899
0.35 54.0 0.0598 0.5129
0.45 30.0 -0.98 0.5647
0.45 42.0 0.4392 0.642
0.45 54.0 0.5825 0.7371
0.45 258.0 -0.3389 0.5529
0.45 270.0 0.1763 0.6639
0.55 30.0 -0.4681 0.5875
0.55 42.0 0.0046 0.4588
0.55 54.0 0.0847 0.6359
0.55 222.0 0.2971 0.5898
0.55 234.0 -0.1963 0.4238
0.55 246.0 -0.2459 0.3469
0.55 258.0 -0.2118 0.3425
0.55 270.0 0.9626 0.5972
0.65 54.0 -0.4727 0.7052
0.65 138.0 -0.6459 0.6587
0.65 150.0 0.6848 0.5619
0.65 162.0 0.606 0.4907
0.65 174.0 0.4706 0.6483
0.65 186.0 0.5188 0.6786
0.65 210.0 -0.1171 0.6478
0.65 222.0 -0.5143 0.5105
0.65 234.0 0.2204 0.4005
0.65 246.0 0.1689 0.2952
0.65 258.0 0.2517 0.3264
0.65 270.0 0.0161 0.4271
0.75 138.0 -1.2698 0.3983
0.75 150.0 -0.2127 0.4707
0.75 162.0 0.2529 0.5337
0.75 174.0 0.1379 0.5055
0.75 186.0 -0.4717 0.5057
0.75 198.0 -0.7559 0.5667
0.75 210.0 0.5842 0.6189
0.75 222.0 0.7659 0.5261
0.75 234.0 -0.3495 0.3492
0.75 246.0 0.4577 0.3115
0.75 258.0 0.3183 0.3401
0.75 270.0 -0.5505 0.4504
0.85 150.0 0.0863 0.658
0.85 162.0 -0.6144 0.5338
0.85 174.0 0.1714 0.6808
0.85 186.0 -0.5768 0.5349
0.85 198.0 1.3896 0.643
0.85 210.0 0.4065 0.6851
0.85 222.0 0.9303 0.4128
0.85 234.0 0.161 0.3939
0.85 246.0 0.4734 0.3444
0.85 258.0 0.0108 0.3814
0.85 270.0 0.801 0.5389