CLAS Physics Database

Measurement E151M2735

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: 0.0476
Q2: 0.0143 GeV2
W: 1355.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8862

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.45 42.0 0.615 0.274 0.0324
0.55 222.0 -0.3454 0.2519 0.0308
0.55 234.0 -0.0923 0.2034 0.0301
0.55 246.0 0.0715 0.2043 0.03
0.55 258.0 -0.1951 0.2552 0.0303
0.65 138.0 0.2774 0.2341 0.0305
0.65 150.0 0.0883 0.2521 0.0301
0.65 162.0 -0.314 0.2439 0.0307
0.65 210.0 0.0824 0.2829 0.03
0.65 222.0 -0.4932 0.2034 0.0316
0.65 234.0 -0.1534 0.1911 0.0302
0.65 246.0 -0.1101 0.2309 0.0301
0.65 258.0 -0.056 0.2505 0.03
0.75 126.0 0.1057 0.2592 0.0301
0.75 138.0 0.0878 0.2195 0.0301
0.75 150.0 -0.065 0.2062 0.03
0.75 210.0 0.5596 0.2587 0.032
0.75 222.0 -0.257 0.2406 0.0304
0.75 234.0 -0.3982 0.1836 0.031
0.75 246.0 0.0024 0.2076 0.03
0.75 258.0 -0.1528 0.2273 0.0302
0.85 222.0 -0.1897 0.248 0.0302
0.85 234.0 0.3035 0.2141 0.0306
0.85 246.0 0.3335 0.177 0.0307
0.85 258.0 -0.0219 0.2558 0.03
0.35 42.0 -0.3675 0.3381 0.0309
0.45 42.0 -0.623 0.2328 0.0325
0.55 234.0 -0.5679 0.3135 0.0321
0.55 246.0 -0.2523 0.355 0.0304
0.65 138.0 0.5051 0.2793 0.0317
0.65 150.0 0.5882 0.261 0.0322
0.65 222.0 0.1336 0.3006 0.0301
0.65 234.0 -0.0249 0.2772 0.03
0.65 246.0 0.1622 0.3534 0.0302
0.75 126.0 0.4722 0.3277 0.0315
0.75 138.0 0.29 0.3585 0.0306
0.75 150.0 -0.1271 0.3568 0.0301
0.75 222.0 0.2976 0.2806 0.0306
0.75 234.0 0.1079 0.2357 0.0301
0.75 246.0 -0.0542 0.3106 0.03
0.75 258.0 0.4298 0.2956 0.0312
0.85 222.0 -0.0543 0.3887 0.03
0.85 234.0 -0.3134 0.245 0.0306
0.85 246.0 0.2662 0.289 0.0305
0.85 258.0 -0.4776 0.2352 0.0315