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Measurement E151M2497

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: 0.2924
Q2: 0.0593 GeV2
W: 1265.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8504

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.05 42.0 -0.3142 0.224
0.15 42.0 -0.1085 0.216
0.25 30.0 -0.0831 0.2277
0.25 42.0 0.1564 0.2037
0.25 54.0 -0.1667 0.2303
0.35 42.0 -0.0524 0.2018
0.35 54.0 -0.5497 0.1805
0.45 270.0 0.1509 0.2379
0.45 282.0 -0.1771 0.1864
0.55 246.0 -0.1985 0.2456
0.55 258.0 0.1377 0.1579
0.55 270.0 0.1793 0.1502
0.55 282.0 -0.011 0.1767
0.65 234.0 -0.2546 0.2513
0.65 246.0 -0.0837 0.1456
0.65 258.0 -0.1835 0.129
0.65 270.0 0.0763 0.1159
0.65 282.0 -0.1485 0.1476
0.65 294.0 0.0991 0.2399
0.75 126.0 0.0838 0.2427
0.75 138.0 0.4434 0.1974
0.75 150.0 0.1584 0.2018
0.75 162.0 0.0501 0.2238
0.75 174.0 -0.292 0.2201
0.75 210.0 0.3898 0.2332
0.75 234.0 -0.2496 0.1769
0.75 246.0 -0.1493 0.1536
0.75 258.0 -0.0858 0.1336
0.75 270.0 -0.0281 0.1372
0.75 282.0 -0.1781 0.1446
0.75 294.0 -0.2499 0.2357
0.85 114.0 -0.0597 0.2368
0.85 126.0 0.2043 0.1603
0.85 138.0 0.0527 0.1529
0.85 150.0 -0.0278 0.1558
0.85 162.0 0.076 0.1399
0.85 174.0 0.1415 0.1587
0.85 186.0 0.0972 0.1745
0.85 198.0 -0.1873 0.1807
0.85 210.0 -0.2923 0.2282
0.85 234.0 0.0506 0.1802
0.85 246.0 -0.1604 0.1549
0.85 258.0 -0.0773 0.1394
0.85 270.0 -0.0592 0.1468
0.85 282.0 0.2708 0.1813
0.95 114.0 0.2063 0.2394
0.95 126.0 0.3633 0.2188
0.95 138.0 0.3874 0.1853
0.95 150.0 -0.0166 0.1747
0.95 162.0 0.1163 0.2118
0.95 174.0 -0.0143 0.2044
0.95 186.0 -0.1684 0.1946
0.95 198.0 0.2517 0.2506
0.95 210.0 -0.36 0.2358
0.95 258.0 -0.441 0.2466
Created in SINP MSU, CLAS Collaboration