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Measurement E151M2618

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: 0.0501
Q2: 0.0348 GeV2
W: 1445.0 GeV
Ebeam: 1.0539 GeV
ε: 0.6309

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 54.0 0.2394 0.2164
0.35 42.0 0.1444 0.1995
0.35 54.0 0.052 0.1767
0.45 30.0 0.0068 0.2381
0.45 42.0 -0.1656 0.1753
0.45 54.0 -0.0026 0.1766
0.45 66.0 -0.5139 0.2212
0.45 222.0 0.1236 0.2494
0.45 234.0 0.304 0.2277
0.45 246.0 0.0798 0.2324
0.45 258.0 -0.0963 0.212
0.55 42.0 0.2216 0.2353
0.55 54.0 -0.0779 0.2015
0.55 162.0 0.1881 0.2052
0.55 186.0 0.0382 0.2363
0.55 222.0 -0.2503 0.198
0.55 234.0 -0.0185 0.1778
0.55 246.0 -0.2082 0.1578
0.55 258.0 -0.0023 0.1725
0.65 138.0 0.0115 0.2412
0.65 150.0 -0.1092 0.2196
0.65 162.0 -0.1235 0.2007
0.65 174.0 0.1519 0.2271
0.65 186.0 -0.0465 0.2549
0.65 222.0 -0.0045 0.158
0.65 234.0 -0.0176 0.1538
0.65 246.0 0.1699 0.16
0.65 258.0 -0.2467 0.1778
0.65 270.0 0.1888 0.2499
0.75 150.0 -0.3668 0.2034
0.75 162.0 0.2016 0.1973
0.75 174.0 0.0074 0.2543
0.75 222.0 0.0936 0.2153
0.75 234.0 -0.1921 0.1752
0.75 246.0 -0.0887 0.1682
0.75 258.0 -0.0534 0.1656
0.75 270.0 0.0777 0.2295
0.85 222.0 0.4013 0.2254
0.85 234.0 -0.0448 0.1719
0.85 246.0 0.0189 0.1716
0.85 258.0 -0.0301 0.1536
0.85 270.0 -0.0019 0.2685
0.95 234.0 -0.2122 0.2532
0.95 258.0 0.0972 0.2053
Created in SINP MSU, CLAS Collaboration