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Measurement E151M2004

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: 0.3928
Q2: 0.1435 GeV2
W: 1355.0 GeV
Ebeam: 2.2596 GeV
ε: 0.939

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.25 66.0 0.5872 1.1399
0.25 294.0 -0.7894 1.1296
0.25 306.0 0.0887 0.561
0.35 66.0 -0.1479 0.4419
0.45 66.0 -0.5936 1.2881
0.45 78.0 1.3235 1.3628
0.45 294.0 -1.4238 1.1944
0.65 90.0 -1.9037 1.458
0.65 102.0 -1.0607 1.1949
0.65 258.0 -1.8978 1.1287
0.65 270.0 1.1004 0.9986
0.75 90.0 2.4021 1.2492
0.75 102.0 -0.5517 1.1447
0.75 114.0 -0.8414 1.2712
0.75 126.0 0.3918 1.3293
0.75 138.0 1.6268 1.5561
0.75 234.0 -2.0937 1.2538
0.75 246.0 0.3324 0.9638
0.75 258.0 0.2563 1.0654
0.75 270.0 1.1657 1.0399
0.75 282.0 -1.1891 1.2992
0.85 90.0 -0.2785 1.527
0.85 102.0 0.0804 1.2495
0.85 114.0 3.2829 1.1145
0.85 126.0 0.9682 1.4311
0.85 138.0 0.9671 1.5034
0.85 234.0 2.0838 1.3419
0.85 246.0 1.4269 0.9486
0.85 258.0 1.5107 1.0963
0.85 270.0 0.6367 1.1203
0.85 282.0 0.7927 1.1667
0.85 294.0 1.4752 1.3427
0.95 102.0 -0.7838 4.9148
0.95 114.0 2.7987 5.0708
0.95 234.0 -6.2144 3.8325
0.95 246.0 -1.433 4.3688
0.95 258.0 5.713 3.3234
0.95 270.0 1.7367 3.5348
0.95 282.0 -3.0798 2.9495
0.35 78.0 -1.2971 0.5445
0.35 294.0 0.1532 0.5536
0.35 306.0 0.1269 0.5643
0.45 66.0 -1.4067 0.5106
0.45 294.0 -0.0231 0.6487
0.65 102.0 0.2189 0.6356
0.65 114.0 -0.2282 0.7498
0.65 258.0 -0.8011 0.7203
0.65 270.0 0.6117 0.6306
0.75 90.0 -0.4025 0.6109
0.75 102.0 0.9226 0.4568
0.75 114.0 -0.4589 0.5918
0.75 126.0 -0.5864 0.7685
0.75 234.0 0.5974 0.701
0.75 246.0 0.894 0.6447
0.75 258.0 0.2201 0.5508
0.75 270.0 0.7411 0.4685
0.75 282.0 0.6748 0.5679
0.85 90.0 -0.0063 0.8002
0.85 102.0 -0.0895 0.528
0.85 114.0 -0.0967 0.5968
0.85 126.0 -1.0315 0.6168
0.85 150.0 1.0858 0.8195
0.85 222.0 -0.7838 0.8953
0.85 234.0 0.4205 0.7792
0.85 246.0 -0.5196 0.6926
0.85 258.0 -0.5871 0.6688
0.85 270.0 0.7972 0.5747
0.85 282.0 0.5557 0.5378
0.85 294.0 0.1332 0.7409
0.95 114.0 1.538 1.0316
0.95 234.0 1.3961 1.0019
0.95 246.0 1.3332 1.1981
0.95 258.0 0.8521 1.1189
0.95 270.0 0.8626 0.851
0.95 282.0 -1.1841 0.8444
Created in SINP MSU, CLAS Collaboration