CLAS Physics Database

Measurement E151M982

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: 0.6591
Q2: 0.2445 GeV2
W: 1325.0 GeV
Ebeam: 2.999 GeV
ε: 0.9597

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
-0.15 306.0 -0.0446 0.7336 0.0302
-0.05 54.0 1.1063 0.8327 0.0862
-0.05 306.0 -0.1432 0.5928 0.0318
0.05 54.0 0.3892 0.6771 0.0413
0.05 66.0 -0.038 0.5519 0.0301
0.05 306.0 -0.4546 0.5905 0.0448
0.15 54.0 -0.3478 0.6193 0.0393
0.15 66.0 0.7537 0.5431 0.0627
0.15 294.0 -0.2075 0.7011 0.0336
0.15 306.0 0.241 0.6438 0.0348
0.25 54.0 -0.1544 0.7124 0.0321
0.25 66.0 -0.1023 0.5042 0.0309
0.25 78.0 0.5117 0.7291 0.0479
0.25 294.0 -0.1431 0.4774 0.0318
0.25 306.0 -0.3069 0.4723 0.0375
0.35 54.0 0.0752 0.7747 0.0305
0.35 66.0 0.0447 0.5493 0.0302
0.35 78.0 -0.2996 0.5957 0.0371
0.35 294.0 0.2512 0.5837 0.0352
0.45 54.0 -0.3621 0.6355 0.04
0.45 66.0 0.1608 0.5723 0.0322
0.45 78.0 1.3456 0.9032 0.1028
0.45 270.0 -0.189 0.6265 0.033
0.45 282.0 1.2634 0.8653 0.0971
0.45 294.0 0.1695 0.6929 0.0325
0.55 66.0 0.6756 0.7991 0.0578
0.55 78.0 0.4064 0.6182 0.0422
0.55 90.0 1.5787 0.6568 0.1192
0.55 102.0 -0.7006 0.6517 0.0593
0.55 270.0 -0.0236 0.5173 0.03
0.55 282.0 -0.6197 0.4327 0.0543
0.55 294.0 -0.2405 0.5406 0.0348
0.65 66.0 -0.0677 0.5626 0.0304
0.65 78.0 0.0928 0.4383 0.0308
0.65 90.0 0.0357 0.4016 0.0301
0.65 102.0 -0.2991 0.4559 0.0371
0.65 114.0 -0.5869 0.6441 0.0523
0.65 258.0 -0.4571 0.4126 0.0449
0.65 270.0 0.3208 0.3854 0.0381
0.65 282.0 0.047 0.4244 0.0302
0.65 294.0 -0.116 0.4482 0.0312
0.75 66.0 0.6947 0.4998 0.059
0.75 78.0 0.172 0.3344 0.0325
0.75 90.0 0.2238 0.3215 0.0342
0.75 102.0 0.7617 0.4518 0.0632
0.75 114.0 -0.1714 0.4191 0.0325
0.75 126.0 -0.7659 0.584 0.0635
0.75 234.0 -0.202 0.6442 0.0334
0.75 246.0 -0.5123 0.4216 0.048
0.75 258.0 -0.1268 0.3354 0.0314
0.75 270.0 -0.4658 0.3069 0.0454
0.75 282.0 0.1779 0.3318 0.0327
0.75 294.0 -0.0304 0.3507 0.0301
0.75 306.0 0.3911 0.5239 0.0414
0.85 54.0 -0.1433 0.5099 0.0318
0.85 66.0 -0.5574 0.4023 0.0506
0.85 78.0 0.7071 0.3858 0.0598
0.85 90.0 -0.5153 0.3145 0.0482
0.85 102.0 -0.5408 0.2746 0.0496
0.85 114.0 -0.0135 0.3733 0.03
0.85 126.0 0.3165 0.4891 0.0379
0.85 138.0 2.4463 2.4463 0.1813
0.85 150.0 -1.0034 0.6283 0.0792
0.85 210.0 -0.1426 0.7363 0.0318
0.85 222.0 0.4784 0.4652 0.0461
0.85 234.0 -0.6134 0.3617 0.0539
0.85 246.0 0.1403 0.3593 0.0317
0.85 258.0 0.4278 0.3894 0.0433
0.85 270.0 0.4454 0.3365 0.0443
0.85 282.0 0.4811 0.3718 0.0462
0.85 294.0 -0.3675 0.2835 0.0403
0.85 306.0 -0.2242 0.3258 0.0342
0.85 318.0 -0.6892 0.4538 0.0586
0.95 66.0 -0.2842 0.3893 0.0365
0.95 78.0 -0.3402 0.3769 0.039
0.95 90.0 -0.0099 0.3749 0.03
0.95 102.0 0.2058 0.4559 0.0336
0.95 114.0 0.8978 0.4299 0.0722
0.95 126.0 0.7875 0.5069 0.0649
0.95 138.0 -0.6022 0.4505 0.0533
0.95 150.0 0.0702 0.552 0.0304
0.95 162.0 1.3351 0.8572 0.1021
0.95 174.0 -0.2967 0.6979 0.037
0.95 186.0 0.3397 0.7428 0.0389
0.95 198.0 -0.483 0.5337 0.0463
0.95 210.0 0.682 0.6176 0.0582
0.95 222.0 0.0549 0.4601 0.0303
0.95 234.0 -0.5454 0.345 0.0499
0.95 246.0 -0.0584 0.3914 0.0303
0.95 258.0 1.0105 0.4301 0.0797
0.95 270.0 -0.3527 0.341 0.0396
0.95 282.0 -0.3333 0.3454 0.0386
0.95 294.0 0.4992 0.4179 0.0472
0.95 306.0 -0.4261 0.2999 0.0432
0.95 318.0 0.2324 0.4515 0.0345
0.95 330.0 2.1489 2.1489 0.1599
0.95 342.0 0.0966 0.6188 0.0308