CLAS Physics Database

Measurement E151M3228

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: 0.4961
Q2: 0.205 GeV2
W: 1355.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9257

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.65 90.0 0.2164 0.2558 0.0303
0.65 102.0 -0.0131 0.2154 0.03
0.65 114.0 -0.1135 0.2583 0.0301
0.65 258.0 0.1425 0.15 0.0302
0.65 270.0 0.0534 0.18 0.0301
0.75 90.0 -0.0221 0.151 0.0302
0.75 102.0 0.1035 0.1437 0.0302
0.75 114.0 0.0682 0.1764 0.0302
0.75 126.0 0.2751 0.2596 0.0305
0.75 246.0 0.1351 0.161 0.0304
0.75 258.0 -0.0725 0.2239 0.03
0.75 270.0 -0.2101 0.1764 0.0306
0.75 282.0 -0.0383 0.1792 0.03
0.85 90.0 0.1268 0.2174 0.0301
0.85 102.0 0.1875 0.1538 0.0303
0.85 114.0 -0.0594 0.1371 0.0304
0.85 126.0 0.2208 0.1675 0.0304
0.85 222.0 0.158 0.2522 0.0302
0.85 234.0 0.3376 0.1639 0.0308
0.85 246.0 0.2563 0.1472 0.0307
0.85 258.0 0.303 0.141 0.031
0.85 270.0 -0.1554 0.1712 0.0302
0.85 282.0 -0.1388 0.1444 0.0302
0.95 114.0 -0.5529 0.2229 0.032
0.95 126.0 0.1611 0.2417 0.0302
0.95 270.0 0.1536 0.2315 0.0302
0.95 282.0 0.3862 0.238 0.031
0.95 294.0 -0.0898 0.2087 0.0301
0.95 306.0 -0.1776 0.253 0.0302
0.85 294.0 -0.1772 0.2141 0.0302
0.95 102.0 0.0949 0.2361 0.0301
0.95 138.0 0.1853 0.24 0.0302
0.95 234.0 -0.2158 0.252 0.0303
0.95 258.0 -0.0923 0.1987 0.0301
0.95 270.0 0.2064 0.2155 0.0303
0.95 282.0 0.4144 0.2068 0.0311
0.95 294.0 -0.3139 0.1959 0.0306
0.95 306.0 0.0573 0.2612 0.03