CLAS Physics Database

Measurement E151M2823

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: 0.128
Q2: 0.101 GeV2
W: 1475.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7018

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.55 138.0 -0.4629 0.2769
0.55 222.0 0.2464 0.3812
0.55 234.0 0.1452 0.332
0.55 246.0 -0.1096 0.327
0.55 258.0 0.0908 0.3248
0.65 126.0 0.3161 0.3324
0.65 138.0 0.235 0.3426
0.65 210.0 0.0287 0.3971
0.65 222.0 0.4573 0.2339
0.65 234.0 -0.3204 0.3226
0.65 246.0 0.4476 0.2186
0.65 258.0 -0.1664 0.333
0.75 126.0 0.4026 0.3129
0.75 210.0 -0.762 0.1728
0.75 222.0 0.2794 0.3675
0.75 234.0 0.0224 0.3095
0.75 246.0 -0.0268 0.2901
0.75 258.0 -0.2619 0.2592
0.85 222.0 0.1248 0.3377
0.85 234.0 0.0015 0.3117
0.85 246.0 -0.0906 0.2749
0.85 258.0 -0.3781 0.2782
0.85 270.0 -0.3582 0.3131
0.95 222.0 -0.558 0.2711
0.95 234.0 -0.865 0.1552
0.95 246.0 -0.1404 0.3999
0.95 270.0 -0.4756 0.2458
0.45 246.0 0.0265 0.2851
0.55 138.0 -0.163 0.2553
0.55 222.0 0.2217 0.2368
0.55 234.0 0.1091 0.2344
0.55 246.0 -0.3819 0.2204
0.65 126.0 -0.2794 0.1842
0.65 138.0 0.3286 0.2255
0.65 150.0 -0.3655 0.2147
0.65 162.0 -0.2032 0.2615
0.65 222.0 0.0141 0.2479
0.65 234.0 -0.4091 0.2096
0.65 246.0 0.0849 0.1976
0.65 258.0 0.0519 0.2546
0.75 114.0 0.4302 0.254
0.75 126.0 0.1321 0.1941
0.75 138.0 -0.032 0.234
0.75 150.0 0.1844 0.2288
0.75 222.0 -0.2342 0.2061
0.75 234.0 -0.3298 0.199
0.75 246.0 -0.3733 0.1942
0.75 258.0 -0.1743 0.2018
0.85 114.0 0.2235 0.2339
0.85 150.0 0.1903 0.2467
0.85 222.0 0.1305 0.2821
0.85 234.0 -0.5089 0.2128
0.85 246.0 -0.395 0.1946
0.85 258.0 0.2248 0.1799
0.95 102.0 0.5242 0.2331
0.95 114.0 -0.025 0.2657
0.95 126.0 0.2015 0.2638
0.95 234.0 -0.5045 0.2482
0.95 246.0 0.2908 0.21
0.95 258.0 0.3283 0.2438
0.95 270.0 -0.0868 0.2269