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Measurement E151M1816

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: 0.0739
Q2: 0.0415 GeV2
W: 1475.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9021

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.15 30.0 -0.1154 0.7362
0.25 18.0 1.1045 0.8355
0.25 30.0 0.0497 0.6959
0.25 54.0 0.242 0.666
0.25 66.0 -1.1546 0.5185
0.25 78.0 -0.4879 0.6303
0.25 270.0 0.6299 0.7785
0.25 282.0 -0.2409 0.6647
0.25 294.0 0.0672 0.6395
0.25 306.0 0.3261 0.8181
0.25 318.0 -1.0035 0.6794
0.25 330.0 -0.5814 0.6453
0.35 18.0 1.2304 0.7104
0.35 30.0 0.8491 0.6522
0.35 54.0 0.3609 0.5983
0.35 66.0 0.7735 0.4484
0.35 78.0 -0.5019 0.4445
0.35 90.0 0.4662 0.5631
0.35 102.0 -0.5817 0.854
0.35 258.0 -0.3152 0.7992
0.35 270.0 -0.1876 0.5239
0.35 282.0 -0.491 0.459
0.35 294.0 -0.5667 0.4447
0.35 306.0 0.445 0.6011
0.35 330.0 -0.3322 0.5995
0.35 342.0 -1.0765 0.7032
0.45 18.0 -1.5006 0.6599
0.45 30.0 -0.4994 0.8107
0.45 66.0 -0.0004 0.4477
0.45 78.0 -0.3642 0.3925
0.45 90.0 -0.1093 0.4647
0.45 102.0 0.0847 0.6466
0.45 114.0 1.0957 0.7237
0.45 126.0 -0.0233 0.7352
0.45 138.0 0.758 0.8138
0.45 258.0 -0.7392 0.5137
0.45 270.0 -0.5735 0.3631
0.45 282.0 0.2168 0.4277
0.45 294.0 -0.2597 0.4564
0.45 306.0 -2.1648 2.1648
0.55 66.0 0.5105 0.6941
0.55 78.0 -0.4318 0.4553
0.55 90.0 -0.1845 0.4911
0.55 102.0 -0.0421 0.5168
0.55 114.0 0.5518 0.5156
0.55 126.0 0.1623 0.5196
0.55 138.0 0.1323 0.5392
0.55 150.0 -1.2868 0.7399
0.55 198.0 -0.6443 0.8221
0.55 210.0 -0.3211 0.6182
0.55 222.0 -0.3278 0.6143
0.55 234.0 0.2164 0.5886
0.55 246.0 0.3252 0.5404
0.55 258.0 -1.6421 0.4338
0.55 270.0 0.0184 0.3772
0.55 282.0 -0.2426 0.3815
0.55 294.0 -0.0243 0.5093
0.65 66.0 -0.6166 0.5727
0.65 78.0 -0.443 0.5481
0.65 90.0 0.7444 0.5326
0.65 102.0 -0.2609 0.5805
0.65 114.0 -0.9232 0.395
0.65 126.0 0.4208 0.4044
0.65 138.0 -0.5245 0.4843
0.65 150.0 -0.3983 0.5117
0.65 162.0 0.2407 0.8178
0.65 198.0 -0.9037 0.5712
0.65 210.0 -0.7659 0.518
0.65 222.0 -0.1431 0.4491
0.65 234.0 0.1908 0.4151
0.65 246.0 0.1031 0.5053
0.65 258.0 -0.7271 0.4514
0.65 270.0 -0.1207 0.4594
0.65 282.0 -0.4064 0.5252
0.65 294.0 -0.3841 0.5295
0.65 306.0 -0.2408 0.7181
0.75 66.0 -0.2459 0.6298
0.75 78.0 -0.3266 0.6054
0.75 90.0 0.4726 0.7435
0.75 102.0 0.69 0.6787
0.75 114.0 -0.2395 0.4832
0.75 126.0 0.413 0.4522
0.75 138.0 -0.0889 0.5024
0.75 150.0 -0.1446 0.5948
0.75 186.0 1.0516 0.7838
0.75 198.0 -0.9981 0.5406
0.75 210.0 -0.5671 0.436
0.75 222.0 0.4028 0.4346
0.75 234.0 -0.3464 0.4011
0.75 246.0 0.2262 0.4939
0.75 258.0 0.4695 0.578
0.75 270.0 -1.2434 0.5482
0.75 282.0 0.0368 0.4135
0.75 294.0 0.4031 0.5604
0.85 90.0 0.4119 0.7319
0.85 102.0 0.1841 0.541
0.85 114.0 0.4658 0.5965
0.85 126.0 0.3374 0.7998
0.85 138.0 -0.5131 0.6603
0.85 150.0 -0.3849 0.8129
0.85 198.0 -0.2277 0.5531
0.85 210.0 -0.3085 0.5302
0.85 222.0 -0.5972 0.4771
0.85 234.0 -0.4153 0.4171
0.85 246.0 -0.1141 0.4756
0.85 258.0 -0.0262 0.6048
0.85 270.0 0.0399 0.6857
0.95 222.0 -0.1233 0.5986
0.95 234.0 0.2295 0.552
Created in SINP MSU, CLAS Collaboration