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Measurement E151M2616

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: 0.0366
Q2: 0.0245 GeV2
W: 1445.0 GeV
Ebeam: 1.0539 GeV
ε: 0.6444

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 42.0 -0.2394 0.1954
0.25 54.0 0.1803 0.2299
0.35 42.0 -0.0766 0.1717
0.35 54.0 -0.1484 0.1684
0.35 66.0 0.1924 0.2343
0.45 30.0 0.2389 0.1993
0.45 42.0 0.0151 0.1646
0.45 54.0 -0.086 0.1487
0.45 66.0 0.0807 0.2481
0.45 222.0 0.1612 0.2418
0.45 234.0 -0.0969 0.2259
0.45 246.0 -0.3562 0.1838
0.55 30.0 -0.0362 0.2475
0.55 42.0 0.0178 0.2048
0.55 54.0 0.0154 0.2106
0.55 150.0 -0.1413 0.2552
0.55 162.0 0.1511 0.2404
0.55 174.0 0.3225 0.2284
0.55 222.0 0.1083 0.1859
0.55 234.0 -0.0423 0.1623
0.55 246.0 -0.3311 0.1595
0.55 258.0 -0.2118 0.1826
0.65 138.0 -0.0301 0.2633
0.65 150.0 0.0275 0.202
0.65 162.0 -0.194 0.2024
0.65 222.0 0.0731 0.1985
0.65 234.0 -0.3214 0.1806
0.65 246.0 -0.2383 0.1465
0.65 258.0 0.0362 0.1864
0.75 150.0 0.2852 0.1976
0.75 162.0 0.1625 0.2134
0.75 174.0 0.1595 0.223
0.75 186.0 -0.2379 0.2438
0.75 210.0 -0.0233 0.2646
0.75 222.0 -0.1026 0.1881
0.75 234.0 -0.2909 0.1678
0.75 246.0 -0.1358 0.1543
0.75 258.0 -0.0507 0.1756
0.85 222.0 -0.1378 0.1918
0.85 234.0 -0.0731 0.1642
0.85 246.0 0.1134 0.1542
0.85 258.0 0.2921 0.1644
Created in SINP MSU, CLAS Collaboration