CLAS Physics Database

Measurement E151M1974

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: ALL
εL: 0.2758
Q2: 0.0593 GeV2
W: 1295.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9681

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.25 66.0 -2.2511 1.733
0.25 306.0 -0.0432 1.2199
0.35 66.0 -1.8469 1.3528
0.35 78.0 1.8277 1.4619
0.35 294.0 0.068 1.4255
0.35 306.0 2.2503 1.1511
0.45 66.0 -0.1999 1.3919
0.45 78.0 -1.2326 1.1352
0.45 90.0 -1.9398 1.6533
0.45 294.0 0.2868 1.4296
0.55 66.0 -1.9507 1.6049
0.55 78.0 1.8499 1.3597
0.55 90.0 1.6662 1.9767
0.55 270.0 -0.7833 1.3481
0.65 78.0 -1.5828 1.7126
0.65 90.0 -1.2533 1.9726
0.65 246.0 -2.4139 1.4431
0.65 258.0 -0.2225 1.3641
0.65 270.0 1.2207 1.5424
0.65 282.0 -0.7415 1.4697
0.75 102.0 -0.89 2.3142
0.75 114.0 0.1843 1.8066
0.75 126.0 -1.7869 1.367
0.75 138.0 4.043 1.7859
0.75 222.0 0.2927 1.7772
0.75 234.0 0.5147 1.4028
0.75 246.0 -0.5147 1.1229
0.75 258.0 -0.7435 1.1798
0.75 270.0 -1.2843 1.3041
0.75 282.0 -0.3374 1.7139
0.85 102.0 -3.5447 2.304
0.85 114.0 -0.3304 1.963
0.85 126.0 1.1451 1.6767
0.85 138.0 1.859 1.72
0.85 150.0 -0.5039 2.0424
0.85 162.0 -1.1332 2.3353
0.85 222.0 -0.0724 1.646
0.85 234.0 0.1765 1.5724
0.85 246.0 0.931 1.3142
0.85 258.0 -1.7038 1.1675
0.85 270.0 -0.3347 1.3852
0.95 246.0 6.0881 5.2345
0.15 306.0 0.0914 0.5623
0.25 294.0 0.2961 0.4235
0.25 306.0 -0.0741 0.5259
0.35 66.0 0.5012 0.4034
0.35 78.0 -0.9431 0.3861
0.35 294.0 -0.3325 0.4802
0.35 306.0 -1.1596 0.4008
0.45 66.0 -0.2045 0.4593
0.45 78.0 -0.1636 0.3453
0.45 90.0 0.0171 0.5432
0.45 282.0 -0.502 0.5787
0.45 294.0 0.477 0.4887
0.55 66.0 0.5548 0.4805
0.55 78.0 -0.1791 0.3955
0.55 90.0 0.0683 0.4715
0.55 270.0 -0.5582 0.4891
0.55 282.0 0.6448 0.5364
0.55 294.0 -0.3249 0.5585
0.65 78.0 -0.7028 0.5105
0.65 114.0 -0.1635 0.6546
0.65 246.0 -0.9336 0.4596
0.65 258.0 -0.4848 0.4359
0.65 270.0 -0.2173 0.4967
0.65 282.0 -1.4401 0.4631
0.75 102.0 -0.2806 0.5755
0.75 114.0 -0.1151 0.4891
0.75 126.0 0.162 0.4507
0.75 138.0 0.0096 0.7273
0.75 222.0 0.5925 0.739
0.75 234.0 0.6709 0.5197
0.75 246.0 -0.7163 0.4331
0.75 258.0 0.2952 0.3634
0.75 270.0 -0.3005 0.4348
0.85 102.0 -0.3076 0.5862
0.85 114.0 0.5393 0.4703
0.85 126.0 -0.2587 0.4363
0.85 138.0 0.3762 0.5023
0.85 150.0 0.6352 0.5771
0.85 162.0 -0.0874 0.7351
0.85 174.0 -0.322 0.7979
0.85 222.0 -0.6131 0.6939
0.85 234.0 -0.1566 0.5033
0.85 246.0 0.542 0.4545
0.85 258.0 0.5791 0.4313
0.85 270.0 0.8875 0.4422
0.95 126.0 -0.9355 1.1656
0.95 138.0 0.0552 1.0807
0.95 150.0 1.8469 0.9635
0.95 162.0 1.3072 1.1263
0.95 222.0 2.1495 1.0773
0.95 234.0 0.1095 1.1466
0.95 246.0 0.557 1.0899
0.95 258.0 0.5792 0.9989