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Measurement E151M2631

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: 0.0176
Q2: 0.0143 GeV2
W: 1475.0 GeV
Ebeam: 1.0539 GeV
ε: 0.5972

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 42.0 0.2101 0.2145
0.25 54.0 0.258 0.2387
0.35 42.0 0.3096 0.169
0.35 54.0 0.138 0.1552
0.35 66.0 -0.2232 0.1997
0.45 42.0 0.1939 0.2401
0.45 54.0 -0.1817 0.1739
0.45 66.0 0.2647 0.191
0.45 222.0 -0.2005 0.2388
0.45 234.0 0.2939 0.2117
0.45 246.0 -0.0851 0.2103
0.55 42.0 0.1268 0.2067
0.55 54.0 -0.1199 0.1959
0.55 138.0 -0.2558 0.2573
0.55 174.0 -0.1204 0.2489
0.55 222.0 -0.1329 0.1925
0.55 234.0 -0.281 0.1759
0.55 246.0 -0.0864 0.2245
0.55 258.0 0.1743 0.2148
0.65 150.0 -0.0962 0.206
0.65 162.0 0.3874 0.2193
0.65 174.0 0.1013 0.2396
0.65 186.0 0.2873 0.2528
0.65 210.0 0.3407 0.1876
0.65 222.0 0.0059 0.1992
0.65 234.0 -0.1443 0.1801
0.65 246.0 0.2757 0.2
0.65 258.0 -0.1361 0.2391
0.75 162.0 0.6145 0.2111
0.75 174.0 -0.3252 0.2245
0.75 222.0 -0.1573 0.1824
0.75 234.0 0.1668 0.1803
0.75 246.0 -0.2424 0.1542
0.75 258.0 0.2214 0.2157
0.85 222.0 0.1738 0.2327
0.85 234.0 0.2343 0.1907
0.85 246.0 0.0305 0.2025
0.85 258.0 0.2869 0.2324
Created in SINP MSU, CLAS Collaboration