CLAS Physics Database

Measurement E151M848

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: 0.1247
Q2: 0.0844 GeV2
W: 1505.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9049

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.25 54.0 0.1397 0.4815
0.25 66.0 -0.298 0.3955
0.25 78.0 0.2979 0.5141
0.25 282.0 0.9084 0.6189
0.25 294.0 -0.5806 0.415
0.35 66.0 0.406 0.4059
0.35 78.0 -0.5097 0.418
0.35 90.0 -0.4741 0.463
0.35 270.0 0.4832 0.4814
0.35 282.0 0.1952 0.4063
0.35 294.0 -0.013 0.3277
0.45 66.0 -0.7178 0.3725
0.45 78.0 -0.4787 0.3371
0.45 90.0 -0.3401 1.4859
0.45 114.0 -0.1625 0.6298
0.45 126.0 -0.6472 0.5599
0.45 258.0 0.4935 0.5762
0.45 270.0 -0.7708 0.3561
0.45 282.0 0.5566 0.3801
0.45 294.0 0.3589 0.3865
0.55 66.0 -0.0075 0.5453
0.55 78.0 -0.9256 0.4234
0.55 90.0 1.7993 1.3033
0.55 102.0 -0.3047 0.4377
0.55 114.0 -0.3129 0.4146
0.55 126.0 -0.447 0.5365
0.55 138.0 -1.2054 0.5282
0.55 222.0 0.1562 0.5771
0.55 234.0 0.5712 0.5915
0.55 246.0 0.7839 0.5712
0.55 258.0 1.14 0.5323
0.55 270.0 -0.727 0.3294
0.55 282.0 -0.2179 0.3458
0.65 66.0 0.941 1.4104
0.65 90.0 -1.5262 1.5334
0.65 102.0 -0.9263 1.3632
0.65 114.0 1.5027 1.1686
0.65 126.0 -1.0553 1.2356
0.65 138.0 -1.7388 1.2439
0.65 150.0 -1.6863 1.3675
0.65 210.0 -0.8395 1.3242
0.65 222.0 -0.3685 1.074
0.65 234.0 0.5864 1.255
0.65 246.0 0.4694 1.1575
0.65 258.0 1.3826 1.2637
0.65 270.0 -0.0079 1.2971
0.65 294.0 1.5719 1.1455
0.75 102.0 -1.404 1.3007
0.75 114.0 0.4798 1.3092
0.75 126.0 -1.2751 1.2021
0.75 138.0 0.1952 1.2683
0.75 150.0 -3.245 1.3928
0.75 198.0 -0.8038 1.2934
0.75 210.0 -1.2917 1.3455
0.75 222.0 0.9808 1.2424
0.75 234.0 -0.8475 1.2374
0.75 246.0 -0.6704 1.0729
0.75 258.0 1.6074 1.3368
0.75 270.0 -0.2103 1.4441
0.75 282.0 -0.1662 1.1202
0.75 294.0 -0.4662 1.2065
0.85 90.0 -0.1022 1.5409
0.85 102.0 2.0393 1.9596
0.85 126.0 -1.6809 1.6045
0.85 138.0 -1.3994 1.7621
0.85 150.0 -2.6458 1.6642
0.85 198.0 1.3225 1.9268
0.85 210.0 -2.6861 1.3176
0.85 222.0 0.9153 1.4664
0.85 234.0 3.043 1.2786
0.85 246.0 1.7751 1.4435
0.85 258.0 1.6655 1.6741
0.85 270.0 2.758 1.527
0.95 114.0 -1.8429 4.9935
0.95 222.0 3.6097 4.551
0.95 234.0 -2.6085 4.218
0.95 246.0 -0.3548 4.0438
0.55 294.0 -0.7784 0.4252
0.65 54.0 -0.3196 0.5076
0.65 66.0 0.1694 0.4843
0.65 90.0 -0.4275 0.5552
0.65 102.0 0.4202 0.5533
0.65 114.0 0.3543 0.446
0.65 126.0 -1.3658 0.3456
0.65 138.0 0.2291 0.5184
0.65 150.0 -1.014 0.5425
0.65 210.0 -0.0041 0.6206
0.65 222.0 1.1062 0.5449
0.65 234.0 0.35 0.5336
0.65 246.0 0.4282 0.5441
0.65 258.0 0.23 0.5806
0.65 270.0 0.0174 0.5129
0.65 294.0 0.5345 0.6241
0.65 306.0 0.3218 0.4629
0.75 90.0 -0.7054 0.5356
0.75 102.0 -0.1894 0.5281
0.75 114.0 -0.7935 0.3765
0.75 126.0 -0.54 0.4148
0.75 138.0 -0.3605 0.5458
0.75 186.0 1.1668 0.7935
0.75 198.0 0.5117 0.62
0.75 210.0 0.7959 0.5084
0.75 222.0 1.3551 0.5076
0.75 234.0 -0.0408 0.417
0.75 246.0 1.1721 0.6146
0.75 258.0 0.5095 0.6492
0.75 282.0 0.0631 0.4671
0.75 294.0 -0.4811 0.3856
0.85 90.0 -0.4855 0.4928
0.85 102.0 -0.3674 0.5798
0.85 114.0 -0.6723 0.6431
0.85 126.0 -0.3497 0.6208
0.85 138.0 -0.5275 0.6792
0.85 150.0 -0.7873 0.5974
0.85 198.0 0.4583 0.7306
0.85 210.0 1.2249 0.6436
0.85 222.0 0.9252 0.5458
0.85 234.0 0.6205 0.5171
0.85 246.0 0.8015 0.507
0.85 258.0 -0.4784 0.5378
0.85 270.0 0.2907 0.6932
0.95 102.0 0.4071 0.9547
0.95 210.0 0.4977 1.141
0.95 222.0 -0.3046 1.0309
0.95 234.0 1.5472 0.968
0.95 246.0 1.6898 0.9993
0.95 258.0 0.74 0.8838