CLAS Physics Database

Measurement E151M2656

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: 0.9638
Q2: 0.1715 GeV2
W: 1205.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8813

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.35 282.0 0.0083 0.4016 0.03
0.45 282.0 -0.3852 0.3214 0.031
0.45 294.0 -0.0713 0.3744 0.03
0.55 282.0 0.0692 0.3424 0.03
0.65 270.0 -0.2359 0.2593 0.0304
0.65 282.0 -0.8984 0.1365 0.035
0.65 294.0 -0.2589 0.3961 0.0304
0.75 270.0 0.1042 0.3392 0.0301
0.75 282.0 -0.6993 0.1746 0.0331
0.95 102.0 0.5314 0.2763 0.0318
0.95 138.0 0.232 0.354 0.0304
0.95 162.0 -0.0374 0.3901 0.03
0.35 294.0 -0.1259 0.2489 0.0301
0.45 282.0 -0.1603 0.2582 0.0302
0.55 270.0 -0.1283 0.2673 0.0301
0.55 282.0 -0.1474 0.213 0.0301
0.55 294.0 0.1077 0.2386 0.0301
0.65 270.0 0.4237 0.2526 0.0312
0.65 282.0 -0.2405 0.2556 0.0304
0.75 270.0 -0.2759 0.2474 0.0305
0.75 294.0 -0.5358 0.2257 0.0319
0.85 114.0 0.3474 0.2837 0.0308
0.95 90.0 -0.4309 0.2651 0.0312
0.95 102.0 0.1813 0.2697 0.0302
0.95 114.0 0.2407 0.2231 0.0304