CLAS Physics Database

Measurement E151M2783

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: 0.1394
Q2: 0.0707 GeV2
W: 1415.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7955

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 42.0 0.0261 0.37
0.35 42.0 0.3695 0.3926
0.55 234.0 0.4777 0.2537
0.55 246.0 -0.1535 0.3416
0.55 258.0 0.2533 0.3011
0.65 126.0 0.0743 0.3171
0.65 138.0 -0.4942 0.3058
0.65 222.0 -0.3582 0.2939
0.65 234.0 -0.4117 0.2772
0.65 246.0 -0.0625 0.2974
0.65 258.0 0.0382 0.3
0.75 114.0 -0.0317 0.2958
0.75 126.0 0.2721 0.3265
0.75 138.0 0.3054 0.3062
0.75 150.0 -0.1763 0.324
0.75 210.0 0.1467 0.3671
0.75 222.0 -0.4209 0.2255
0.75 234.0 -0.3973 0.2482
0.75 246.0 0.3094 0.254
0.75 258.0 -0.0849 0.277
0.75 270.0 -0.0227 0.3394
0.85 126.0 0.1881 0.3167
0.85 150.0 0.0714 0.2968
0.85 222.0 0.2901 0.3332
0.85 234.0 0.1525 0.2961
0.85 246.0 -0.3557 0.2103
0.85 258.0 -0.1371 0.23
0.85 270.0 -0.1596 0.3083
0.95 114.0 0.3043 0.3519
0.95 234.0 0.0872 0.376
0.95 246.0 -0.1246 0.3171
0.95 258.0 -0.1178 0.3494
0.95 270.0 0.0386 0.3074
0.15 30.0 -0.1002 0.2691
0.55 234.0 -0.0944 0.2287
0.55 246.0 0.0939 0.2473
0.55 258.0 -0.3089 0.2193
0.65 126.0 -0.0835 0.267
0.65 138.0 -0.286 0.204
0.65 150.0 -0.1263 0.2457
0.65 222.0 -0.1254 0.2101
0.65 234.0 -0.2272 0.2008
0.65 246.0 -0.0387 0.1999
0.65 258.0 -0.3587 0.2178
0.75 114.0 -0.0365 0.2401
0.75 126.0 0.3235 0.1787
0.75 138.0 -0.101 0.2417
0.75 150.0 -0.0703 0.2603
0.75 162.0 -0.0072 0.2732
0.75 222.0 0.489 0.2195
0.75 234.0 -0.1723 0.1913
0.75 246.0 -0.2076 0.2353
0.75 258.0 0.0198 0.1875
0.75 270.0 -0.219 0.2777
0.85 102.0 -0.1757 0.2629
0.85 126.0 0.3099 0.2429
0.85 138.0 0.1499 0.1952
0.85 150.0 -0.2973 0.2667
0.85 162.0 -0.1014 0.2849
0.85 222.0 -0.0827 0.2235
0.85 234.0 0.422 0.227
0.85 246.0 -0.298 0.1848
0.85 258.0 -0.123 0.1834
0.85 270.0 -0.1582 0.1717
0.95 102.0 0.2924 0.2516
0.95 114.0 0.4345 0.2053
0.95 246.0 -0.0373 0.2675
0.95 258.0 -0.2118 0.201
0.95 270.0 -0.0863 0.2304