CLAS Physics Database

Measurement E151M2936

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: 0.5037
Q2: 0.101 GeV2
W: 1265.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9544

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 66.0 -0.1345 0.1767
0.25 78.0 0.2002 0.2366
0.25 294.0 -0.2877 0.2591
0.35 66.0 -0.0645 0.1768
0.35 78.0 0.0133 0.1841
0.45 66.0 -0.0705 0.1736
0.45 78.0 -0.065 0.161
0.45 90.0 -0.1869 0.2862
0.45 282.0 -0.1241 0.277
0.45 294.0 0.3292 0.2305
0.55 66.0 -0.4029 0.2148
0.55 78.0 0.1861 0.1649
0.55 90.0 -0.0982 0.1916
0.55 270.0 -0.0723 0.1746
0.55 282.0 -0.2228 0.1862
0.65 78.0 0.1033 0.2264
0.65 90.0 -0.1574 0.2485
0.65 246.0 0.0454 0.2817
0.65 258.0 -0.0583 0.164
0.65 270.0 0.2239 0.1498
0.65 282.0 -0.1066 0.1571
0.75 78.0 -0.1226 0.2803
0.75 90.0 -0.0666 0.2121
0.75 102.0 -0.1606 0.206
0.75 114.0 0.1098 0.1903
0.75 126.0 -0.143 0.2182
0.75 234.0 0.462 0.196
0.75 246.0 -0.23 0.1612
0.75 258.0 0.0979 0.1561
0.75 270.0 0.0442 0.139
0.75 282.0 0.2304 0.1782
0.85 90.0 -0.0847 0.1751
0.85 102.0 -0.073 0.1403
0.85 114.0 0.2635 0.1679
0.85 126.0 0.2175 0.1441
0.85 138.0 0.1041 0.1716
0.85 150.0 -0.0335 0.1933
0.85 162.0 0.1087 0.2138
0.85 174.0 -0.3652 0.2405
0.85 234.0 -0.1708 0.2156
0.85 246.0 -0.22 0.1755
0.85 258.0 -0.0262 0.1477
0.85 270.0 0.3091 0.1522
0.85 282.0 -0.0792 0.1759
0.95 102.0 -0.0595 0.1758
0.95 114.0 -0.1629 0.1638
0.95 126.0 -0.0392 0.1762
0.95 138.0 0.1247 0.1695
0.95 150.0 0.0118 0.1816
0.95 162.0 -0.0899 0.1855
0.95 174.0 -0.1815 0.2202
0.95 186.0 -0.0384 0.2239
0.95 198.0 -0.1738 0.2666
0.95 210.0 -0.0101 0.2754
0.95 222.0 -0.3663 0.2336
0.95 246.0 -0.2151 0.2444
0.95 258.0 -0.1081 0.2657