CLAS Physics Database

Measurement E151M312

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: 0.0467
Q2: 0.0171 GeV2
W: 1385.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8613

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.25 30.0 -0.8213 0.6249
0.35 42.0 0.3209 0.6051
0.45 30.0 0.4327 0.589
0.45 42.0 -0.0388 0.6066
0.55 18.0 -0.4098 0.5602
0.55 30.0 -0.4023 0.5444
0.55 42.0 -0.162 0.5968
0.55 138.0 -0.7706 0.5027
0.55 150.0 -0.4892 0.6395
0.55 210.0 0.2249 0.6017
0.55 222.0 0.4559 0.479
0.55 234.0 0.1378 0.5353
0.55 246.0 0.4758 0.5361
0.65 126.0 -0.0914 0.464
0.65 138.0 -0.4169 0.4418
0.65 150.0 0.188 0.5247
0.65 162.0 0.4325 0.6484
0.65 198.0 1.7138 0.5729
0.65 210.0 -0.186 0.5497
0.65 222.0 -0.4623 0.5084
0.65 234.0 -0.3117 0.3614
0.65 246.0 -0.2939 0.4186
0.65 258.0 0.2002 0.544
0.75 126.0 0.0095 0.5346
0.75 138.0 -0.5047 0.4618
0.75 150.0 -0.3025 0.4627
0.75 162.0 -0.4256 0.5713
0.75 210.0 -1.145 0.5276
0.75 222.0 0.2968 0.5561
0.75 234.0 0.5869 0.3859
0.75 246.0 0.5225 0.4837
0.75 258.0 0.7758 0.4838
0.85 114.0 -0.283 0.6298
0.85 126.0 0.1524 0.6255
0.85 138.0 -0.409 0.6167
0.85 210.0 -0.0693 0.5789
0.85 222.0 -0.0318 0.4761
0.85 234.0 -0.3394 0.3626
0.85 246.0 0.4375 0.4127
0.85 258.0 -0.3777 0.6013
0.95 222.0 0.5804 0.5641
0.95 234.0 -0.6826 0.5087
0.95 246.0 -0.5102 0.4892
0.25 42.0 1.1358 1.1408
0.35 42.0 -0.4049 0.7465
0.45 18.0 -0.9531 0.5957
0.45 30.0 -0.1837 0.8265
0.45 42.0 -0.1032 0.8716
0.55 30.0 0.655 0.9553
0.55 42.0 0.1959 0.7729
0.55 138.0 -1.6703 0.3995
0.55 150.0 1.7298 1.4481
0.55 210.0 1.9837 1.1879
0.55 222.0 1.2284 1.0459
0.55 234.0 -0.5856 0.5699
0.55 246.0 -0.1982 0.6414
0.55 258.0 0.1806 1.131
0.65 126.0 -1.1008 0.6653
0.65 138.0 -0.5483 0.7002
0.65 150.0 -0.7663 0.6557
0.65 162.0 -1.3806 0.5484
0.65 210.0 -0.6461 0.5775
0.65 222.0 0.274 0.6138
0.65 234.0 0.2584 0.5675
0.65 246.0 0.3705 0.5593
0.65 258.0 0.6229 0.9046
0.75 126.0 -1.1274 0.6214
0.75 138.0 -1.1408 0.4407
0.75 150.0 -0.6904 0.6087
0.75 162.0 0.2562 0.9884
0.75 174.0 0.0857 0.9831
0.75 210.0 0.6257 0.925
0.75 222.0 1.0923 0.7422
0.75 234.0 2.1145 2.1145
0.75 246.0 -0.4716 0.4492
0.75 258.0 0.6322 0.7706
0.85 126.0 -0.0796 0.9783
0.85 150.0 0.025 0.9751
0.85 210.0 0.7274 0.8914
0.85 222.0 0.2757 0.696
0.85 234.0 0.6924 0.6128
0.85 246.0 0.1094 0.5352
0.85 258.0 0.3695 1.0514