CLAS Physics Database

Measurement E151M1102

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: 0.1911
Q2: 0.2445 GeV2
W: 1625.0 GeV
Ebeam: 2.999 GeV
ε: 0.8921

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.25 282.0 0.4265 0.8705 0.0433
0.35 270.0 -0.1821 0.8272 0.0328
0.35 282.0 1.179 0.8701 0.0912
0.45 102.0 1.7768 0.9594 0.1333
0.45 114.0 -1.5588 0.6254 0.1178
0.45 126.0 0.0556 0.899 0.0303
0.45 270.0 0.6916 0.8124 0.0588
0.45 282.0 0.4707 0.6945 0.0456
0.55 90.0 -0.0483 0.7421 0.0302
0.55 102.0 -0.1578 0.6881 0.0321
0.55 114.0 -0.5077 0.6433 0.0477
0.55 126.0 -1.8037 0.5511 0.1352
0.55 222.0 1.0254 1.0407 0.0807
0.55 270.0 1.8046 0.8643 0.1353
0.55 282.0 -1.1085 0.6363 0.0864
0.55 294.0 1.3139 1.0228 0.1006
0.55 306.0 0.7905 0.9714 0.0651
0.65 90.0 -0.1054 0.7419 0.031
0.65 102.0 -0.3026 0.5134 0.0373
0.65 114.0 -1.4183 0.4961 0.1079
0.65 126.0 -0.6905 0.641 0.0587
0.65 138.0 -0.8179 0.7351 0.0669
0.65 198.0 1.2356 1.0335 0.0952
0.65 210.0 2.2256 0.8529 0.1654
0.65 222.0 0.1632 0.7763 0.0323
0.65 234.0 0.705 0.8243 0.0596
0.65 246.0 0.6761 0.9331 0.0578
0.65 294.0 -0.024 0.5715 0.0301
0.65 306.0 -0.4516 0.6183 0.0446
0.75 66.0 0.1022 0.7558 0.0309
0.75 78.0 -0.328 0.6475 0.0384
0.75 90.0 -0.8233 0.7826 0.0672
0.75 102.0 0.4396 0.6798 0.044
0.75 114.0 0.0216 0.6398 0.03
0.75 126.0 -0.6745 0.6037 0.0577
0.75 138.0 -0.2447 0.7525 0.0349
0.75 186.0 0.9143 0.9704 0.0733
0.75 198.0 -0.1978 0.722 0.0333
0.75 210.0 0.9969 0.8277 0.0788
0.75 222.0 -0.227 0.6354 0.0343
0.75 234.0 1.0856 0.7172 0.0848
0.75 246.0 -0.4428 0.6032 0.0441
0.75 258.0 -1.2163 0.5981 0.0938
0.75 282.0 0.8765 0.8343 0.0707
0.75 294.0 0.968 0.8039 0.0768
0.75 306.0 -0.6708 0.7385 0.0575
0.85 66.0 -0.4718 0.4685 0.0457
0.85 78.0 -0.3607 0.4534 0.0399
0.85 90.0 -1.4487 0.4324 0.1101
0.85 114.0 -1.4144 0.5367 0.1076
0.85 126.0 -0.0465 0.8605 0.0302
0.85 138.0 -0.7625 0.755 0.0633
0.85 186.0 -0.0759 0.8261 0.0305
0.85 198.0 1.1566 0.7567 0.0897
0.85 210.0 0.1976 0.608 0.0333
0.85 222.0 0.4609 0.534 0.0451
0.85 234.0 -0.4097 0.474 0.0424
0.85 246.0 0.6988 0.5649 0.0592
0.85 258.0 0.2215 0.5919 0.0341
0.85 270.0 1.5959 0.7024 0.1204
0.95 78.0 0.47 0.7709 0.0456
0.95 90.0 -1.5998 0.5076 0.1207
0.95 162.0 -0.8602 0.7382 0.0697
0.95 174.0 1.0384 0.9714 0.0816
0.95 186.0 1.815 0.8436 0.136
0.95 198.0 0.0367 0.692 0.0301
0.95 210.0 0.5246 0.7437 0.0487
0.95 222.0 0.654 0.6281 0.0564
0.95 234.0 0.0589 0.5901 0.0303
0.95 246.0 -0.6102 0.5338 0.0537
0.95 258.0 0.1766 0.5434 0.0327
0.95 270.0 0.0093 0.5218 0.03
0.95 282.0 -0.2684 0.4753 0.0358
0.95 294.0 0.026 0.5767 0.0301