CLAS Physics Database

Measurement E151M873

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: 0.0697
Q2: 0.0593 GeV2
W: 1565.0 GeV
Ebeam: 2.2596 GeV
ε: 0.8852

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.35 78.0 -1.2864 0.6229
0.35 270.0 -0.413 0.6329
0.35 282.0 -0.5327 0.5971
0.45 126.0 -0.0863 0.8538
0.45 258.0 0.0876 0.7251
0.45 270.0 0.4686 0.6305
0.45 282.0 1.0294 0.6735
0.55 114.0 -0.3835 0.6702
0.55 126.0 -0.8144 0.6632
0.55 258.0 -0.0376 0.6202
0.55 270.0 0.0806 0.5801
0.55 282.0 -0.3241 0.5239
0.65 78.0 -1.3523 0.6563
0.65 102.0 -0.5495 0.7847
0.65 114.0 -0.2779 0.658
0.65 126.0 -0.8746 0.5997
0.65 138.0 0.1892 0.6814
0.65 150.0 -0.0591 0.8402
0.65 198.0 -1.7615 0.511
0.65 210.0 1.2962 0.6874
0.65 222.0 0.3734 0.6928
0.65 234.0 0.6334 0.6892
0.65 270.0 0.8725 0.7401
0.65 294.0 1.0407 0.6548
0.75 66.0 1.386 0.835
0.75 102.0 -1.0596 0.7461
0.75 114.0 -0.7026 0.7837
0.75 126.0 0.3236 0.8282
0.75 138.0 -0.7448 0.6926
0.75 198.0 -0.0389 0.8135
0.75 210.0 0.8566 0.773
0.75 222.0 -0.3596 0.6743
0.75 234.0 0.2251 0.7145
0.75 246.0 0.3428 0.7011
0.75 270.0 -0.6391 0.5698
0.75 282.0 0.5814 0.5039
0.75 294.0 0.8749 0.707
0.85 102.0 -0.0273 0.6844
0.85 198.0 0.9667 1.0185
0.85 210.0 -0.2368 0.6934
0.85 222.0 1.1749 0.7508
0.85 234.0 1.1685 0.6693
0.85 246.0 -0.1959 0.7308
0.95 222.0 -0.8315 2.3633
0.95 234.0 2.7271 2.4065
0.25 78.0 -0.5397 0.591
0.35 66.0 -0.9948 0.5392
0.35 78.0 -0.0743 0.5733
0.35 270.0 1.6174 0.7565
0.35 282.0 0.6505 0.5996
0.45 66.0 0.177 0.6759
0.45 78.0 -0.5872 0.5819
0.45 114.0 -1.0618 0.6698
0.45 138.0 0.3336 0.8448
0.45 270.0 0.7011 0.6398
0.45 282.0 -0.6397 0.5702
0.55 78.0 -0.2928 0.6799
0.55 114.0 -1.0484 0.5585
0.55 126.0 -0.3976 0.7966
0.55 138.0 -0.9466 0.6551
0.55 210.0 -0.7902 0.7783
0.55 246.0 0.3741 0.7997
0.55 258.0 0.0067 0.6386
0.55 270.0 0.309 0.613
0.55 282.0 0.331 0.6295
0.65 102.0 0.2383 0.7562
0.65 114.0 -0.3582 0.5442
0.65 126.0 1.1349 0.6044
0.65 138.0 -0.3716 0.7218
0.65 210.0 -0.6969 0.6538
0.65 222.0 1.3547 0.7094
0.65 234.0 0.9829 0.8163
0.65 246.0 1.0754 0.8133
0.65 258.0 0.7378 0.7221
0.65 270.0 -0.6119 0.6856
0.65 282.0 -0.4394 0.6397
0.75 66.0 -0.139 0.7194
0.75 102.0 -0.2067 0.7369
0.75 114.0 0.1244 0.7109
0.75 126.0 -0.5402 0.5355
0.75 138.0 0.3251 0.7374
0.75 150.0 -0.4845 0.7933
0.75 198.0 2.2686 0.983
0.75 210.0 -0.838 0.8268
0.75 222.0 1.0755 0.7298
0.75 234.0 1.0139 0.7145
0.75 246.0 0.816 0.7507
0.75 270.0 -0.5829 0.6952
0.75 282.0 0.2282 0.5061
0.75 294.0 -0.8875 0.5616
0.85 90.0 -0.0871 0.8442
0.85 102.0 -0.4991 0.6513
0.85 114.0 -1.1842 0.6642
0.85 210.0 0.4538 0.8001
0.85 222.0 0.4991 0.6655
0.85 234.0 1.1467 0.8919
0.85 246.0 0.2483 0.8155
0.95 222.0 0.9397 1.4867