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Measurement E151M3573

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: ALU
εL: 0.1955
Q2: 0.348 GeV2
W: 1685.0 GeV
Ebeam: 2.999 GeV
ε: 0.8489

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 282.0 0.4292 0.2492
0.45 282.0 0.2732 0.2663
0.55 90.0 0.145 0.2819
0.55 102.0 -0.1076 0.2314
0.55 234.0 0.1037 0.2901
0.65 90.0 0.0463 0.2697
0.65 102.0 -0.1444 0.2309
0.65 114.0 -0.0345 0.2291
0.65 126.0 0.1313 0.2679
0.65 210.0 -0.0065 0.2748
0.65 234.0 0.1966 0.2732
0.65 306.0 -0.3208 0.2623
0.75 66.0 0.0933 0.2765
0.75 78.0 0.1585 0.2193
0.75 90.0 0.2452 0.2526
0.75 114.0 -0.3809 0.2
0.75 126.0 -0.1959 0.2376
0.75 210.0 0.0968 0.2476
0.75 222.0 -0.1257 0.2357
0.75 234.0 0.1783 0.2394
0.75 246.0 -0.1412 0.248
0.75 258.0 -0.0661 0.2636
0.85 66.0 -0.0382 0.2389
0.85 78.0 0.3545 0.2121
0.85 90.0 0.2899 0.2723
0.85 102.0 0.2809 0.2602
0.85 186.0 0.4448 0.2082
0.85 198.0 -0.0072 0.2325
0.85 210.0 -0.0363 0.2121
0.85 222.0 -0.1958 0.2188
0.85 234.0 0.0663 0.1718
0.85 246.0 -0.0546 0.2069
0.85 258.0 -0.0398 0.2166
0.95 198.0 -0.2926 0.2453
0.95 210.0 0.2095 0.2178
0.95 222.0 -0.1472 0.2516
0.95 234.0 -0.4539 0.1953
0.95 246.0 -0.8241 0.1554
0.95 258.0 -0.2754 0.1996
0.95 270.0 -0.2355 0.2154
0.95 282.0 -0.3089 0.1842
0.95 294.0 0.0217 0.2504
Created in SINP MSU, CLAS Collaboration