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Measurement E151M2516

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: 0.1748
Q2: 0.0415 GeV2
W: 1295.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8393

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 42.0 0.389 0.2118
0.25 54.0 0.0005 0.2554
0.35 30.0 -0.1949 0.2192
0.35 42.0 -0.2392 0.2145
0.45 30.0 -0.2008 0.2579
0.45 42.0 0.3663 0.1906
0.45 270.0 -0.3924 0.1963
0.55 246.0 0.1519 0.16
0.55 258.0 0.1496 0.1549
0.55 270.0 -0.1749 0.1561
0.55 282.0 -0.4515 0.2385
0.65 138.0 0.1842 0.2305
0.65 150.0 0.4116 0.2291
0.65 222.0 0.0419 0.2428
0.65 234.0 0.1776 0.1729
0.65 246.0 -0.1699 0.1519
0.65 258.0 0.1508 0.1336
0.65 270.0 -0.0404 0.1422
0.65 282.0 0.1077 0.1904
0.75 126.0 -0.4123 0.2286
0.75 138.0 0.2083 0.1892
0.75 150.0 0.0379 0.1796
0.75 162.0 -0.2655 0.1576
0.75 174.0 0.1802 0.1816
0.75 186.0 0.402 0.1873
0.75 198.0 0.1002 0.2519
0.75 210.0 -0.3176 0.2319
0.75 222.0 0.1141 0.217
0.75 234.0 -0.165 0.1817
0.75 246.0 0.0788 0.1399
0.75 258.0 0.0312 0.1261
0.75 270.0 -0.1749 0.1436
0.75 282.0 -0.24 0.1678
0.85 126.0 0.0297 0.2465
0.85 138.0 -0.0739 0.1945
0.85 150.0 0.2729 0.1537
0.85 162.0 0.2097 0.194
0.85 174.0 -0.1677 0.1733
0.85 186.0 0.286 0.1987
0.85 198.0 0.3278 0.214
0.85 222.0 -0.3267 0.2124
0.85 234.0 0.2564 0.1621
0.85 246.0 -0.0399 0.1434
0.85 258.0 -0.1234 0.1349
0.85 270.0 -0.2504 0.1368
0.85 282.0 0.1267 0.2028
0.95 114.0 0.2283 0.2344
0.95 138.0 -0.0273 0.2338
0.95 150.0 0.0055 0.2343
0.95 162.0 0.1847 0.2582
0.95 186.0 0.2483 0.2303
0.95 246.0 -0.0171 0.2236
Created in SINP MSU, CLAS Collaboration