CLAS Physics Database

Measurement E151M26

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: 0.1483
Q2: 0.0205 GeV2
W: 1235.0 GeV
Ebeam: 1.0539 GeV
ε: 0.9092

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.25 30.0 -0.2383 0.5295 0.0404
0.25 42.0 0.8843 0.4951 0.105
0.25 54.0 0.1226 0.433 0.0331
0.35 30.0 0.5649 0.5548 0.0709
0.35 42.0 0.4855 0.4029 0.0629
0.35 54.0 -0.4152 0.4084 0.056
0.45 42.0 -0.1928 0.3585 0.0372
0.45 54.0 0.6631 0.4134 0.0812
0.45 66.0 -0.509 0.4809 0.0652
0.45 246.0 0.5219 0.5984 0.0665
0.45 258.0 1.0073 0.4821 0.1185
0.45 270.0 0.6801 0.3827 0.083
0.45 282.0 -0.2537 0.3722 0.0416
0.55 234.0 1.4654 0.5223 0.1694
0.55 246.0 0.4051 0.3702 0.055
0.55 258.0 -0.4387 0.2618 0.0582
0.55 270.0 0.2061 0.287 0.0381
0.55 282.0 0.0316 0.3394 0.0302
0.65 150.0 0.9065 0.5367 0.1074
0.65 162.0 -0.4635 0.5109 0.0607
0.65 174.0 0.8209 0.5806 0.0981
0.65 186.0 -0.0359 0.5148 0.0303
0.65 198.0 -0.481 0.5024 0.0624
0.65 234.0 0.1091 0.3832 0.0325
0.65 246.0 -0.449 0.2474 0.0592
0.65 258.0 -0.0602 0.2237 0.0308
0.65 270.0 0.4223 0.238 0.0566
0.65 282.0 -0.2893 0.3393 0.0445
0.75 138.0 -0.134 0.4915 0.0337
0.75 150.0 0.1676 0.4306 0.0355
0.75 162.0 -0.0605 0.366 0.0308
0.75 174.0 0.3369 0.3331 0.0487
0.75 186.0 0.2034 0.3359 0.0379
0.75 198.0 -0.3937 0.3194 0.0539
0.75 210.0 0.2024 0.4296 0.0378
0.75 222.0 0.0002 0.3794 0.03
0.75 234.0 0.0564 0.3317 0.0307
0.75 246.0 0.0337 0.2505 0.0302
0.75 258.0 -0.0715 0.2317 0.0311
0.75 270.0 -0.2031 0.2849 0.0379
0.75 282.0 -0.2354 0.3997 0.0402
0.85 138.0 -0.3919 0.4845 0.0537
0.85 150.0 0.6062 0.3848 0.0752
0.85 162.0 -0.1144 0.357 0.0327
0.85 174.0 -0.1064 0.2997 0.0324
0.85 186.0 0.3558 0.3728 0.0504
0.85 198.0 0.2471 0.38 0.0411
0.85 210.0 -0.8245 0.3681 0.0985
0.85 222.0 0.1198 0.4618 0.0329
0.85 234.0 0.6367 0.3609 0.0784
0.85 246.0 0.6973 0.3468 0.0848
0.85 258.0 0.2721 0.3328 0.0431
0.85 270.0 0.5389 0.4858 0.0683