CLAS Physics Database

Measurement E151M506

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: 0.3646
Q2: 0.0844 GeV2
W: 1295.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9517

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.05 318.0 0.2479 0.6208
0.15 66.0 0.4098 0.6393
0.15 306.0 -0.0405 0.4915
0.15 318.0 0.7325 0.67
0.25 66.0 0.8392 0.4649
0.25 78.0 -0.0439 0.5737
0.25 294.0 0.3715 0.4265
0.25 306.0 0.0579 0.3956
0.35 66.0 -0.2273 0.3825
0.35 78.0 -0.0672 0.3381
0.35 90.0 -0.0079 0.6544
0.35 282.0 -0.2413 0.5813
0.35 294.0 -0.2951 0.3638
0.35 306.0 -0.2163 0.4544
0.45 66.0 0.3297 0.457
0.45 78.0 0.0949 0.3218
0.45 90.0 -0.0674 0.5426
0.45 282.0 -0.0877 0.4478
0.45 294.0 0.1769 0.4769
0.45 306.0 -0.2639 0.5856
0.55 66.0 0.5501 0.4706
0.55 78.0 0.0246 0.379
0.55 90.0 -0.1179 0.441
0.55 258.0 -0.5943 0.4558
0.55 270.0 0.3316 0.4273
0.55 282.0 -0.2047 0.4461
0.55 294.0 -0.2368 0.5204
0.65 66.0 -0.1991 0.5411
0.65 78.0 1.2125 0.4548
0.65 90.0 -0.0001 0.5354
0.65 102.0 0.7416 0.5063
0.65 114.0 -0.0548 0.5309
0.65 246.0 -0.5706 0.4117
0.65 258.0 0.119 0.3788
0.65 270.0 -0.1679 0.2946
0.65 282.0 -0.2122 0.3901
0.75 90.0 -0.0897 0.4694
0.75 102.0 -0.4336 0.366
0.75 114.0 0.5978 0.405
0.75 126.0 0.962 0.4399
0.75 138.0 0.4788 0.4999
0.75 222.0 -0.1355 0.4926
0.75 234.0 -0.3986 0.3612
0.75 246.0 -0.4253 0.2753
0.75 258.0 0.1055 0.3205
0.75 270.0 0.1801 0.3246
0.75 282.0 0.6611 0.3465
0.85 90.0 -0.0835 0.5529
0.85 102.0 0.4046 0.3316
0.85 114.0 0.1169 0.3257
0.85 126.0 -0.6179 0.2582
0.85 138.0 -0.2313 0.3033
0.85 150.0 0.8874 0.4858
0.85 162.0 0.2851 0.4676
0.85 174.0 0.1776 0.4692
0.85 210.0 -0.8135 0.4087
0.85 222.0 0.6735 0.4758
0.85 234.0 0.4429 0.3443
0.85 246.0 0.1489 0.3381
0.85 258.0 0.1073 0.2924
0.85 270.0 0.0567 0.3022
0.85 282.0 -0.2844 0.3755
0.95 114.0 -0.482 0.3484
0.95 126.0 0.2525 0.4191
0.95 138.0 0.0246 0.3656
0.95 150.0 -0.4963 0.3386
0.95 162.0 0.3592 0.4288
0.95 174.0 -0.6107 0.4017
0.95 198.0 0.6522 0.5054
0.95 210.0 0.2471 0.5143
0.95 222.0 0.3205 0.5001
0.95 234.0 0.1283 0.3801
0.95 246.0 0.6841 0.4364
0.95 258.0 0.1329 0.3844
0.95 270.0 0.6759 0.5122