CLAS Physics Database

Measurement E151M1108

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: 0.0717
Q2: 0.0844 GeV2
W: 1655.0 GeV
Ebeam: 2.999 GeV
ε: 0.9103

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.35 66.0 1.0485 0.9308
0.35 78.0 0.4168 0.7878
0.35 270.0 0.3571 0.7755
0.45 78.0 1.7005 0.8811
0.45 102.0 -0.8707 0.6641
0.45 114.0 1.7862 0.8097
0.45 126.0 -1.2408 0.6071
0.45 258.0 0.874 0.7013
0.45 270.0 -0.9506 0.4918
0.45 282.0 0.1937 0.7416
0.45 294.0 -0.5974 0.7137
0.55 66.0 0.2049 0.7425
0.55 102.0 -0.518 0.6272
0.55 114.0 -1.6213 0.4273
0.55 126.0 -1.9304 0.4284
0.55 138.0 -0.4718 0.7485
0.55 198.0 1.0282 0.981
0.55 210.0 1.1 0.8147
0.55 222.0 0.1358 0.7227
0.55 234.0 0.6951 0.9836
0.55 258.0 -0.81 0.5925
0.55 270.0 0.2793 0.5917
0.55 282.0 0.0941 0.7497
0.65 42.0 -0.3584 0.7215
0.65 54.0 0.2058 0.8796
0.65 66.0 -0.6631 0.5372
0.65 102.0 0.4598 0.7789
0.65 114.0 -0.4859 0.5598
0.65 126.0 -0.7258 0.493
0.65 138.0 -1.2514 0.5076
0.65 186.0 -0.3933 0.7792
0.65 198.0 1.0567 0.8284
0.65 210.0 1.032 0.695
0.65 222.0 0.7049 0.6565
0.65 234.0 -0.0467 0.7775
0.65 282.0 0.5048 0.6533
0.65 294.0 -0.1858 0.7144
0.75 90.0 -0.0947 0.7028
0.75 114.0 -0.1376 0.6276
0.75 126.0 -0.6638 0.5267
0.75 138.0 -0.9246 0.5361
0.75 174.0 0.9428 0.9032
0.75 186.0 -0.563 0.6498
0.75 198.0 0.1385 0.6373
0.75 210.0 0.5277 0.6318
0.75 222.0 0.1228 0.4919
0.75 234.0 -0.8296 0.5542
0.75 270.0 0.2011 0.7307
0.75 282.0 -0.2643 0.54
0.75 294.0 0.0042 0.5864
0.85 90.0 -0.084 0.5816
0.85 102.0 -0.1736 0.4946
0.85 114.0 -0.1832 0.6026
0.85 126.0 -1.6944 0.5221
0.85 186.0 -0.4547 0.5991
0.85 198.0 0.404 0.6139
0.85 210.0 0.0527 0.6227
0.85 222.0 -0.2848 0.4757
0.85 234.0 0.674 0.5108
0.85 246.0 1.5817 0.9289
0.85 270.0 -0.2736 0.8337
0.85 282.0 1.1551 0.7896
0.95 102.0 -0.1752 0.7586
0.95 114.0 -0.7349 0.6631
0.95 198.0 -0.4922 0.5604
0.95 210.0 0.5185 0.6936
0.95 222.0 2.2754 0.7178
0.95 234.0 0.9536 0.6912
0.95 246.0 0.1567 0.6543