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Measurement E151M38

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: 0.6993
Q2: 0.1715 GeV2
W: 1235.0 GeV
Ebeam: 1.0539 GeV
ε: 0.7716

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
-0.05 42.0 -0.3073 0.6171 0.0461
0.35 282.0 0.3222 0.5346 0.0474
0.45 270.0 0.1355 0.4909 0.0337
0.45 282.0 0.9472 0.3982 0.1119
0.45 294.0 -0.1588 0.5318 0.035
0.55 258.0 -0.8445 0.3959 0.1007
0.55 270.0 0.9371 0.4848 0.1108
0.55 282.0 0.9654 0.4293 0.1139
0.55 294.0 1.1832 0.4737 0.1379
0.65 246.0 -0.7205 0.4629 0.0873
0.65 258.0 1.9433 1.9433 0.2231
0.65 270.0 -0.2191 0.3976 0.039
0.65 282.0 -0.3016 0.4498 0.0456
0.65 294.0 -0.1355 0.4802 0.0337
0.75 258.0 0.144 0.4514 0.0342
0.75 270.0 0.6195 0.4575 0.0766
0.75 282.0 0.0641 0.4539 0.0309
0.75 294.0 -0.3969 0.4337 0.0542
0.85 114.0 -0.0483 0.5996 0.0305
0.85 126.0 0.3111 0.4819 0.0464
0.85 138.0 -0.3524 0.4482 0.0501
0.85 150.0 0.0096 0.5327 0.03
0.85 162.0 0.3088 0.4643 0.0462
0.85 174.0 -0.0201 0.477 0.0301
0.85 186.0 0.1446 0.5314 0.0342
0.85 198.0 -0.1821 0.5334 0.0365
0.85 210.0 -0.391 0.4875 0.0537
0.85 234.0 -0.1012 0.5084 0.0321
0.85 270.0 0.4164 0.4582 0.0561
0.85 282.0 0.3456 0.4681 0.0495
0.95 114.0 -0.2047 0.4284 0.038
0.95 126.0 -0.1556 0.4236 0.0348
0.95 138.0 -0.3673 0.3665 0.0514
0.95 150.0 -0.2055 0.3619 0.038
0.95 162.0 0.2 0.3987 0.0377
0.95 174.0 0.6842 0.438 0.0834
0.95 186.0 0.1423 0.4358 0.0341
0.95 198.0 -0.1123 0.3443 0.0326
0.95 210.0 -0.5162 0.3444 0.0659
Created in SINP MSU, CLAS Collaboration