CLAS Physics Database

Measurement E151M2593

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: 0.0236
Q2: 0.0121 GeV2
W: 1415.0 GeV
Ebeam: 1.0539 GeV
ε: 0.7141

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 42.0 -0.0206 0.2523
0.35 30.0 0.6945 0.1822
0.35 42.0 -0.0686 0.1815
0.35 54.0 0.0898 0.1801
0.45 30.0 -0.0485 0.2406
0.45 42.0 -0.1089 0.1573
0.45 54.0 0.0723 0.1594
0.45 66.0 -0.1723 0.2228
0.45 222.0 -0.3943 0.2185
0.45 234.0 0.1482 0.1979
0.45 246.0 -0.0234 0.2365
0.55 18.0 -0.0278 0.2378
0.55 30.0 -0.2182 0.2076
0.55 42.0 0.3033 0.1359
0.55 54.0 -0.2239 0.1613
0.55 66.0 -0.1262 0.2414
0.55 138.0 0.2588 0.2333
0.55 150.0 0.0524 0.2222
0.55 162.0 0.0918 0.2194
0.55 210.0 -0.055 0.259
0.55 222.0 0.0099 0.1842
0.55 234.0 0.4292 0.1904
0.55 246.0 -0.2254 0.1763
0.55 258.0 -0.0031 0.2201
0.65 30.0 -0.1372 0.2563
0.65 42.0 -0.169 0.2337
0.65 54.0 0.1762 0.23
0.65 138.0 0.1912 0.2508
0.65 150.0 0.2314 0.1878
0.65 162.0 -0.3246 0.19
0.65 210.0 0.3275 0.2163
0.65 222.0 -0.2071 0.1547
0.65 234.0 -0.1301 0.1591
0.65 246.0 -0.0132 0.1578
0.65 258.0 -0.3109 0.2205
0.75 42.0 -0.0826 0.2602
0.75 138.0 -0.2555 0.2094
0.75 150.0 0.0118 0.2516
0.75 162.0 -0.1363 0.2553
0.75 174.0 -0.1428 0.2535
0.75 210.0 -0.1253 0.2231
0.75 222.0 -0.155 0.1717
0.75 234.0 0.0723 0.1694
0.75 246.0 -0.1387 0.157
0.75 258.0 0.1335 0.2197
0.85 150.0 0.4552 0.2336
0.85 210.0 0.0763 0.2437
0.85 222.0 0.1274 0.1834
0.85 234.0 -0.1903 0.1541
0.85 246.0 -0.044 0.1449
0.85 258.0 -0.307 0.2074