CLAS Physics Database

Measurement E151M2499

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: 0.3799
Q2: 0.0844 GeV2
W: 1265.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8263

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.05 42.0 0.298 0.2311
0.15 42.0 -0.0104 0.2105
0.15 54.0 0.3455 0.2306
0.25 30.0 -0.2259 0.2486
0.25 42.0 -0.0877 0.199
0.25 54.0 0.0205 0.2361
0.35 42.0 -0.1018 0.2222
0.45 270.0 -0.0522 0.225
0.45 282.0 -0.1615 0.1926
0.55 258.0 -0.0119 0.1771
0.55 270.0 0.078 0.1541
0.55 282.0 -0.184 0.1591
0.55 294.0 -0.0173 0.2337
0.65 246.0 0.0663 0.1899
0.65 258.0 -0.0575 0.1435
0.65 270.0 -0.2197 0.1313
0.65 282.0 0.0124 0.1494
0.65 294.0 -0.2429 0.2383
0.75 126.0 0.2386 0.253
0.75 138.0 -0.048 0.2185
0.75 162.0 0.1787 0.2552
0.75 234.0 -0.0851 0.1921
0.75 246.0 -0.1812 0.186
0.75 258.0 -0.0968 0.1315
0.75 270.0 0.0204 0.1515
0.75 282.0 -0.2403 0.1388
0.75 294.0 -0.324 0.2183
0.85 114.0 -0.2064 0.2473
0.85 126.0 0.3226 0.1605
0.85 138.0 -0.1484 0.1539
0.85 150.0 0.0056 0.1584
0.85 162.0 0.1714 0.1619
0.85 174.0 -0.0147 0.1556
0.85 186.0 -0.4531 0.1635
0.85 198.0 -0.206 0.1874
0.85 210.0 -0.3229 0.2039
0.85 222.0 -0.1501 0.2636
0.85 234.0 -0.0811 0.2312
0.85 246.0 -0.0692 0.1975
0.85 258.0 -0.0645 0.1724
0.85 270.0 -0.2645 0.1534
0.85 282.0 -0.1135 0.1572
0.95 102.0 -0.1568 0.2494
0.95 126.0 0.2524 0.181
0.95 138.0 0.08 0.2118
0.95 150.0 -0.3496 0.1924
0.95 162.0 0.39 0.1663
0.95 174.0 -0.3428 0.1792
0.95 186.0 -0.0806 0.1981
0.95 198.0 -0.0806 0.1961
0.95 210.0 -0.2861 0.2141