CLAS Physics Database

Measurement E151M1545

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: ALL
εL: 0.2494
Q2: 0.1205 GeV2
W: 1385.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7885

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.55 258.0 -1.3617 0.9348
0.65 126.0 -1.2938 1.0741
0.65 138.0 0.9604 1.271
0.65 234.0 -0.863 1.11
0.65 246.0 -0.3547 0.8998
0.65 258.0 0.9348 0.8311
0.65 270.0 1.84 0.734
0.75 102.0 2.2054 0.6952
0.75 114.0 0.1425 0.9873
0.75 126.0 0.2207 0.9007
0.75 138.0 -2.1101 0.6579
0.75 150.0 0.8242 1.0747
0.75 162.0 -2.0447 0.7186
0.75 222.0 1.3942 0.8516
0.75 234.0 0.5963 0.7739
0.75 246.0 0.0433 0.7316
0.75 258.0 0.7717 0.8885
0.75 270.0 -0.8375 0.774
0.85 114.0 1.8966 0.8794
0.85 126.0 1.484 0.8219
0.85 138.0 1.8799 0.8136
0.85 150.0 0.6217 1.0499
0.85 162.0 -1.6271 0.869
0.85 222.0 0.6219 1.0505
0.85 234.0 -0.3688 0.8581
0.85 246.0 0.3197 0.9531
0.85 258.0 -0.526 0.6263
0.85 270.0 -0.0497 0.8289
0.85 282.0 -0.2292 0.9494
0.95 78.0 0.8811 0.8107
0.95 90.0 0.0028 0.7229
0.95 102.0 1.0292 0.8235
0.95 246.0 0.6918 0.842
0.95 258.0 0.3552 0.7508
0.95 270.0 1.8878 1.8878
0.95 282.0 -0.0893 0.7435
0.55 270.0 -0.0355 0.816
0.65 114.0 -0.298 0.8086
0.65 126.0 -1.2357 0.7891
0.65 138.0 -0.0612 0.9049
0.65 234.0 0.4579 0.7443
0.65 246.0 1.1303 0.6914
0.65 258.0 0.2297 0.7038
0.65 270.0 0.7084 0.8931
0.75 114.0 1.0013 0.6999
0.75 126.0 -0.6437 0.7306
0.75 138.0 -0.8734 0.7111
0.75 150.0 0.4936 0.9254
0.75 222.0 -0.6321 0.8684
0.75 234.0 -1.123 0.7122
0.75 246.0 -0.2418 0.6731
0.75 258.0 -0.4172 0.8228
0.75 270.0 -0.0689 0.6496
0.85 114.0 0.0121 0.6636
0.85 126.0 0.6349 0.7811
0.85 138.0 0.2949 0.8854
0.85 150.0 -0.2919 0.7805
0.85 234.0 -0.199 0.807
0.85 246.0 0.3122 0.669
0.85 258.0 -0.0379 0.6255
0.85 270.0 0.3699 0.5396
0.85 282.0 0.4998 0.6616
0.85 294.0 -1.1543 0.7279
0.95 78.0 2.2787 2.2787
0.95 90.0 -0.8001 0.6481
0.95 102.0 2.0843 2.0843
0.95 138.0 0.5056 0.7146
0.95 246.0 0.1974 0.6605
0.95 258.0 0.9105 0.6038
0.95 270.0 0.436 0.7121
0.95 282.0 0.0784 0.5297