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Measurement E151M2630

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: 0.0149
Q2: 0.0121 GeV2
W: 1475.0 GeV
Ebeam: 1.0539 GeV
ε: 0.6004

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.35 30.0 -0.2449 0.257
0.35 42.0 0.3549 0.1887
0.35 54.0 -0.2497 0.148
0.35 66.0 0.1296 0.1988
0.45 42.0 -0.1958 0.1912
0.45 54.0 -0.0527 0.1569
0.45 66.0 0.2572 0.22
0.45 210.0 0.2118 0.2598
0.45 222.0 -0.0482 0.2226
0.45 234.0 0.4894 0.1929
0.45 246.0 -0.1358 0.2332
0.45 258.0 0.1888 0.247
0.55 30.0 -0.3141 0.2407
0.55 42.0 -0.0695 0.2183
0.55 54.0 0.2108 0.2067
0.55 150.0 0.4041 0.2092
0.55 174.0 -0.0464 0.2183
0.55 222.0 -0.0061 0.2141
0.55 234.0 0.2648 0.1931
0.55 246.0 -0.3219 0.1802
0.65 42.0 -0.3184 0.2167
0.65 54.0 0.3125 0.227
0.65 162.0 -0.0251 0.2173
0.65 174.0 0.0129 0.2343
0.65 210.0 -0.0927 0.2537
0.65 222.0 -0.2395 0.2065
0.65 234.0 0.0458 0.1925
0.65 246.0 0.1572 0.1901
0.65 258.0 0.16 0.2153
0.75 222.0 0.0437 0.217
0.75 234.0 -0.1129 0.207
0.75 246.0 0.0505 0.1887
0.85 222.0 -0.1349 0.1891
0.85 234.0 0.0675 0.1696
0.85 246.0 0.1858 0.1949
Created in SINP MSU, CLAS Collaboration