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Measurement E151M1894

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: 0.0429
Q2: 0.0496 GeV2
W: 1625.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8052

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.35 30.0 -1.3013 0.8533 0.0844
0.35 66.0 -0.2236 0.8858 0.0329
0.35 78.0 -0.7886 0.8463 0.0564
0.35 270.0 -0.1264 0.8889 0.031
0.45 78.0 -0.1996 0.8265 0.0323
0.45 90.0 -0.5952 0.9748 0.0469
0.45 258.0 -1.1835 0.7755 0.0777
0.45 270.0 -0.7309 0.6702 0.0535
0.45 282.0 0.2248 0.8415 0.0329
0.45 294.0 -0.4209 0.8019 0.0394
0.55 78.0 0.9721 0.9214 0.0661
0.55 90.0 0.9739 0.8094 0.0662
0.55 102.0 -1.5732 0.9028 0.0999
0.55 114.0 -1.3914 0.8224 0.0895
0.55 138.0 1.7843 0.7229 0.1122
0.55 210.0 -1.5135 0.7818 0.0965
0.55 222.0 -0.8798 0.7904 0.0612
0.55 246.0 -0.8722 0.8816 0.0608
0.55 258.0 -0.2619 0.789 0.0339
0.55 270.0 -0.8423 0.6343 0.0592
0.55 282.0 1.328 0.6565 0.0859
0.65 78.0 -0.261 0.9498 0.0339
0.65 114.0 0.1347 0.9176 0.0311
0.65 126.0 -0.1963 0.7319 0.0323
0.65 138.0 0.9741 0.7491 0.0662
0.65 150.0 0.378 0.9249 0.0377
0.65 198.0 -0.7471 0.9375 0.0543
0.65 210.0 -1.2718 0.8035 0.0827
0.65 222.0 0.812 0.7927 0.0576
0.65 234.0 0.6342 0.7569 0.0488
0.65 258.0 -0.4662 0.8855 0.0412
0.65 282.0 1.0343 0.6872 0.0695
0.65 294.0 0.5091 0.8502 0.043
0.75 66.0 -1.2263 0.7749 0.0801
0.75 78.0 -1.7348 0.6818 0.1093
0.75 102.0 0.4989 0.9282 0.0426
0.75 126.0 0.526 0.8577 0.0438
0.75 138.0 -1.8489 0.7867 0.116
0.75 198.0 -1.7966 0.7522 0.1129
0.75 210.0 -0.71 0.6482 0.0525
0.75 222.0 -0.4775 0.6891 0.0417
0.75 234.0 0.0935 0.7641 0.0305
0.75 258.0 -0.2447 1.0041 0.0335
0.75 270.0 -0.8017 0.6952 0.0571
0.75 282.0 -0.1485 0.6366 0.0313
0.75 294.0 -0.997 0.8059 0.0675
0.85 102.0 -0.4523 0.9065 0.0406
0.85 114.0 -1.0262 0.7179 0.069
0.85 138.0 -2.0789 0.7271 0.1295
0.85 198.0 -1.333 0.813 0.0862
0.85 210.0 0.1356 0.6849 0.0311
0.85 222.0 0.8333 0.6217 0.0587
0.85 234.0 -0.5837 0.7361 0.0464
0.85 246.0 0.1524 0.8064 0.0314
Created in SINP MSU, CLAS Collaboration