CLAS Physics Database

Measurement E151M48

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: 0.1373
Q2: 0.0245 GeV2
W: 1265.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8831

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.15 42.0 -0.7993 0.5804 0.0958
0.25 42.0 -0.209 0.5011 0.0383
0.25 54.0 -0.5726 0.5574 0.0717
0.35 30.0 0.0284 0.5125 0.0302
0.35 42.0 0.5932 0.4628 0.0739
0.35 54.0 1.4452 0.5957 0.1671
0.45 30.0 0.3465 0.4957 0.0495
0.45 42.0 -0.3386 0.3772 0.0488
0.45 54.0 -0.3027 0.4225 0.0457
0.45 258.0 -0.8618 0.4046 0.1025
0.45 270.0 -0.1782 0.5102 0.0362
0.55 42.0 -0.5336 0.5272 0.0677
0.55 54.0 1.2381 0.682 0.144
0.55 234.0 -0.4721 0.5628 0.0615
0.55 246.0 -0.1268 0.319 0.0333
0.55 258.0 -0.1246 0.3231 0.0332
0.55 270.0 0.104 0.3343 0.0323
0.55 282.0 0.9495 0.5616 0.1121
0.65 150.0 1.2861 0.6059 0.1494
0.65 162.0 0.4091 0.6752 0.0554
0.65 174.0 -0.2367 0.597 0.0403
0.65 222.0 -0.3419 0.4908 0.0491
0.65 234.0 0.1485 0.3494 0.0344
0.65 246.0 0.4915 0.2903 0.0635
0.65 258.0 0.0104 0.2652 0.03
0.65 270.0 0.6638 0.3503 0.0813
0.65 282.0 -0.5616 0.3554 0.0706
0.75 126.0 -0.7295 0.552 0.0882
0.75 138.0 -0.0005 0.4636 0.03
0.75 150.0 -0.169 0.4724 0.0356
0.75 162.0 1.1814 0.4868 0.1377
0.75 174.0 0.3297 0.3861 0.048
0.75 186.0 -0.2957 0.4034 0.0451
0.75 198.0 -0.575 0.416 0.072
0.75 210.0 0.0904 0.5894 0.0317
0.75 222.0 -0.9009 0.3707 0.1068
0.75 234.0 -0.0237 0.3161 0.0301
0.75 246.0 -0.2316 0.2752 0.0399
0.75 258.0 -0.2333 0.2707 0.0401
0.75 270.0 -0.0016 0.2755 0.03
0.75 282.0 1.059 0.3856 0.1242
0.85 138.0 -1.0846 0.3985 0.127
0.85 150.0 0.038 0.4297 0.0303
0.85 162.0 0.0043 0.3679 0.03
0.85 174.0 -0.7365 0.3616 0.089
0.85 186.0 0.4596 0.4391 0.0603
0.85 198.0 0.3078 0.4399 0.0461
0.85 210.0 0.2412 0.5423 0.0407
0.85 222.0 -0.1785 0.4535 0.0362
0.85 234.0 -0.0177 0.369 0.0301
0.85 246.0 0.4294 0.3392 0.0573
0.85 258.0 0.1625 0.2992 0.0352
0.85 270.0 0.0259 0.3321 0.0301
0.95 138.0 0.6985 0.5351 0.0849