CLAS Physics Database

Measurement E151M2370

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: 0.0515
Q2: 0.0844 GeV2
W: 1745.0 GeV
Ebeam: 2.999 GeV
ε: 0.8761

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.35 78.0 1.686 0.9962 0.1259
0.35 258.0 -0.1259 1.0796 0.0314
0.35 282.0 0.7789 1.0392 0.064
0.45 114.0 -0.9478 1.0777 0.075
0.45 258.0 0.4391 0.9538 0.0437
0.45 270.0 -0.4558 0.8634 0.0446
0.55 102.0 0.9093 1.1009 0.0724
0.55 114.0 -0.7498 0.8568 0.0621
0.55 126.0 -1.2664 0.8855 0.0966
0.55 138.0 0.7781 1.0865 0.0639
0.55 198.0 -1.4701 1.0219 0.1107
0.55 210.0 -0.7997 0.8636 0.0653
0.55 258.0 1.2026 0.8909 0.0922
0.55 270.0 -0.6562 0.8913 0.0562
0.65 66.0 -3.5127 3.5127 0.2565
0.65 114.0 -0.8894 0.8408 0.0711
0.65 126.0 -1.0046 0.8239 0.0788
0.65 138.0 0.916 0.9097 0.0729
0.65 174.0 0.059 1.1277 0.0303
0.65 186.0 -1.0346 1.0104 0.0808
0.65 198.0 -0.6809 0.8853 0.0578
0.65 210.0 0.2476 0.8468 0.035
0.65 222.0 -0.3002 0.9855 0.0371
0.65 270.0 -0.2813 0.8744 0.0363
0.65 282.0 -0.6847 0.8451 0.058
0.65 294.0 -0.5293 1.0131 0.0487
0.75 54.0 -0.0742 0.9527 0.0305
0.75 90.0 0.9637 0.9445 0.076
0.75 102.0 -0.432 0.8373 0.0434
0.75 114.0 -0.0156 1.044 0.03
0.75 126.0 0.335 1.0947 0.0386
0.75 138.0 -0.4074 1.0815 0.0421
0.75 150.0 0.6087 1.1317 0.0534
0.75 174.0 -0.3779 1.0243 0.0406
0.75 186.0 -0.1882 0.8802 0.033
0.75 198.0 -1.9303 0.8395 0.1432
0.75 210.0 2.2942 0.5574 0.169
0.75 222.0 1.0721 0.7052 0.0833
0.75 234.0 -1.5049 0.8868 0.1132
0.75 258.0 -0.8911 0.9912 0.0712
0.75 270.0 -0.293 0.7824 0.0368
0.75 282.0 0.1034 0.6737 0.0309
0.75 294.0 -0.3849 0.9175 0.041
0.85 90.0 -1.2248 0.7652 0.0937
0.85 102.0 0.0251 0.5797 0.0301
0.85 114.0 0.72 0.7196 0.0602
0.85 126.0 -0.0485 0.9113 0.0302
0.85 138.0 2.1422 1.009 0.1582
0.85 162.0 0.678 1.0288 0.0576
0.85 174.0 -1.6726 0.7322 0.1249
0.85 186.0 -1.1871 0.6363 0.0912
0.85 198.0 -0.7999 0.6942 0.0653
0.85 210.0 -0.2895 0.644 0.0366
0.85 222.0 -0.6482 0.7198 0.0558
0.85 234.0 0.1227 0.8605 0.0313
0.85 270.0 -0.14 1.0221 0.0317
0.85 282.0 -0.7046 0.7902 0.0592
0.95 186.0 -3.5666 3.5666 0.2604
0.95 198.0 0.3878 0.85 0.0411
0.95 210.0 1.4451 0.8038 0.109
0.95 222.0 0.3774 0.9191 0.0406
0.95 234.0 -1.0397 1.0022 0.0811