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Measurement E151M2492

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: 0.1373
Q2: 0.0245 GeV2
W: 1265.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8831

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.15 42.0 -0.3574 0.2397
0.25 42.0 0.382 0.1805
0.25 54.0 0.0188 0.2343
0.35 30.0 -0.3013 0.189
0.35 42.0 -0.0308 0.1684
0.35 54.0 -0.2267 0.2125
0.45 30.0 0.0127 0.1868
0.45 42.0 -0.0677 0.1511
0.45 54.0 0.0528 0.1698
0.45 258.0 -0.1485 0.1941
0.45 270.0 -0.0419 0.2254
0.55 42.0 -0.2876 0.2117
0.55 54.0 -0.0892 0.2391
0.55 234.0 -0.0865 0.2527
0.55 246.0 -0.1114 0.1339
0.55 258.0 0.055 0.1371
0.55 270.0 0.1489 0.1368
0.55 282.0 -0.2031 0.2338
0.65 150.0 0.3015 0.2048
0.65 162.0 0.322 0.2347
0.65 174.0 0.0016 0.2449
0.65 222.0 -0.1865 0.2102
0.65 234.0 0.1247 0.1414
0.65 246.0 -0.1189 0.1154
0.65 258.0 -0.2031 0.1092
0.65 270.0 0.1704 0.138
0.65 282.0 -0.0123 0.1667
0.75 126.0 -0.0012 0.2513
0.75 138.0 -0.0516 0.1823
0.75 150.0 -0.33 0.1777
0.75 162.0 0.047 0.1799
0.75 174.0 -0.2498 0.1463
0.75 186.0 0.1456 0.1705
0.75 198.0 0.1469 0.1888
0.75 210.0 0.1195 0.2394
0.75 222.0 0.3384 0.1748
0.75 234.0 0.1999 0.1307
0.75 246.0 -0.1303 0.1207
0.75 258.0 0.1178 0.1194
0.75 270.0 -0.0807 0.1186
0.75 282.0 0.0911 0.1643
0.85 138.0 0.207 0.201
0.85 150.0 0.2342 0.1713
0.85 162.0 -0.0056 0.1544
0.85 174.0 0.005 0.1754
0.85 186.0 -0.1474 0.1772
0.85 198.0 0.0752 0.1826
0.85 210.0 0.1415 0.2209
0.85 222.0 -0.1229 0.2081
0.85 234.0 -0.2351 0.1616
0.85 246.0 -0.2667 0.1396
0.85 258.0 -0.3003 0.1269
0.85 270.0 -0.0526 0.1493
0.95 138.0 0.1261 0.2516
Created in SINP MSU, CLAS Collaboration