CLAS Physics Database

Measurement E151M1555

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: 0.0544
Q2: 0.0245 GeV2
W: 1415.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8296

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.25 30.0 -0.8263 0.6927 0.0895
0.25 42.0 0.6059 0.6245 0.0485
0.35 30.0 -0.9337 0.645 0.0639
0.35 42.0 -0.184 0.6511 0.0565
0.45 18.0 -0.6181 0.7062 0.0477
0.45 30.0 0.5246 0.673 0.0435
0.45 42.0 0.1459 0.6461 0.0312
0.45 54.0 0.6912 0.8442 0.0512
0.55 18.0 0.3232 0.7384 0.0357
0.55 30.0 0.4026 0.7149 0.0385
0.55 42.0 -1.5397 0.6071 0.097
0.55 54.0 -0.5148 0.8985 0.043
0.55 126.0 -0.6292 0.8067 0.0482
0.55 138.0 -0.3403 0.7027 0.0363
0.55 150.0 -2.3686 0.7725 0.1451
0.55 162.0 0.8266 0.9235 0.0579
0.55 222.0 -1.5145 0.6746 0.0956
0.55 234.0 -0.5564 0.7341 0.0449
0.55 246.0 -0.3539 0.6553 0.0367
0.55 258.0 -1.459 0.9551 0.0924
0.65 30.0 -0.582 0.872 0.046
0.65 114.0 -0.4517 0.9553 0.0404
0.65 126.0 -1.1006 0.6396 0.0725
0.65 138.0 -0.3286 0.5358 0.0359
0.65 150.0 2.405 2.405 0.1472
0.65 162.0 1.1688 0.7471 0.0762
0.65 174.0 -0.0987 0.9295 0.0306
0.65 198.0 -0.0896 0.8597 0.0305
0.65 210.0 -0.3153 0.7158 0.0355
0.65 222.0 -0.5692 0.5705 0.0454
0.65 234.0 0.3682 0.5003 0.0372
0.65 246.0 0.5206 0.5998 0.0433
0.65 258.0 -0.2275 0.8665 0.033
0.75 126.0 0.5843 0.7147 0.0461
0.75 138.0 0.8621 0.5517 0.0597
0.75 150.0 0.6543 0.6931 0.0494
0.75 162.0 0.2441 0.7869 0.0334
0.75 210.0 -0.6859 0.8184 0.0509
0.75 222.0 0.196 0.6335 0.0322
0.75 234.0 0.3225 0.5168 0.0357
0.75 246.0 -0.0879 0.5254 0.0305
0.75 258.0 0.5868 0.6793 0.0462
0.85 114.0 -0.482 0.667 0.0416
0.85 126.0 0.0053 0.6339 0.03
0.85 138.0 0.4676 0.8838 0.0411
0.85 150.0 -0.5781 0.8292 0.0458
0.85 210.0 1.0029 0.7305 0.0672
0.85 222.0 -1.0477 0.5438 0.0696
0.85 234.0 0.4795 0.5153 0.0415
0.85 246.0 0.0466 0.5339 0.0301
0.85 258.0 -0.0714 0.6028 0.0303
0.95 138.0 -0.4924 0.6992 0.0421
0.95 222.0 1.3313 0.7452 0.0852
0.95 234.0 -1.0051 0.6328 0.0673
0.95 246.0 0.0405 0.6117 0.0301
0.95 258.0 0.8955 0.7976 0.0615
0.35 54.0 1.0439 1.0249 0.0677
0.45 18.0 0.2431 0.8992 0.0332
0.45 30.0 -0.4808 0.8303 0.041
0.45 42.0 0.5957 0.7994 0.0458
0.55 18.0 -1.8763 0.7787 0.1132
0.55 30.0 1.2773 0.8051 0.0801
0.55 42.0 -0.6606 0.7762 0.0487
0.55 126.0 0.0174 1.1486 0.03
0.55 138.0 1.3479 1.1183 0.0839
0.55 150.0 -2.0508 0.7323 0.123
0.55 222.0 0.822 0.8311 0.0564
0.55 234.0 -1.0109 0.6763 0.066
0.55 246.0 1.324 0.5833 0.0826
0.55 258.0 -1.4871 0.6542 0.0915
0.65 126.0 0.3812 1.0563 0.0373
0.65 138.0 0.1984 0.8921 0.0321
0.65 150.0 -0.3938 0.8521 0.0377
0.65 162.0 -2.2456 0.6926 0.134
0.65 198.0 -0.4671 1.0685 0.0405
0.65 210.0 -0.6831 0.8199 0.0498
0.65 222.0 -0.2227 0.7623 0.0327
0.65 234.0 -0.9223 0.5914 0.0615
0.65 246.0 0.4396 0.686 0.0394
0.65 258.0 0.1093 1.053 0.0307
0.75 126.0 0.0466 0.9381 0.0301
0.75 138.0 0.3355 1.0095 0.0358
0.75 150.0 -1.3383 0.824 0.0834
0.75 174.0 1.3559 0.7979 0.0844
0.75 210.0 -0.5119 0.8068 0.0423
0.75 222.0 0.136 0.7953 0.031
0.75 234.0 -1.265 0.7913 0.0794
0.75 246.0 0.882 0.569 0.0594
0.75 258.0 -0.047 0.8166 0.0301
0.85 114.0 -0.7168 0.9396 0.0514
0.85 126.0 0.7595 1.1136 0.0534
0.85 138.0 -1.1461 1.0449 0.0731
0.85 210.0 2.4031 2.4031 0.1429
0.85 222.0 -0.2674 0.7511 0.0338
0.85 234.0 0.0095 0.5409 0.03
0.85 246.0 0.1368 0.627 0.031
0.85 258.0 0.5136 0.72 0.0423
0.95 126.0 0.323 1.0178 0.0354
0.95 234.0 -0.3303 0.8983 0.0356
0.95 246.0 -0.1126 0.8129 0.0307
0.95 258.0 0.2455 0.8944 0.0332