CLAS Physics Database

Measurement E151M134

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: AUL
εL: 0.0668
Q2: 0.0291 GeV2
W: 1385.0 GeV
Ebeam: 1.0539 GeV
ε: 0.741

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.25 30.0 1.4314 0.878 0.1656
0.25 42.0 0.8981 0.8324 0.1065
0.25 54.0 0.7677 0.8535 0.0924
0.35 30.0 -1.3869 0.6355 0.1606
0.35 42.0 0.1812 0.5477 0.0364
0.35 54.0 0.2884 0.5706 0.0445
0.35 66.0 -0.0357 0.8492 0.0303
0.45 18.0 0.2898 0.7599 0.0446
0.45 30.0 0.5652 0.5738 0.071
0.45 42.0 -0.1814 0.5577 0.0364
0.45 54.0 0.834 0.6579 0.0995
0.45 234.0 0.2241 0.8265 0.0394
0.45 246.0 2.0044 0.8266 0.23
0.45 258.0 -0.8859 0.7463 0.1052
0.55 30.0 1.6436 0.8816 0.1894
0.55 42.0 0.3124 0.5809 0.0465
0.55 54.0 1.112 0.6215 0.13
0.55 138.0 -0.3409 0.8426 0.049
0.55 222.0 -0.1483 0.6522 0.0344
0.55 234.0 -0.1596 0.609 0.0351
0.55 246.0 1.1064 0.5558 0.1294
0.55 258.0 -0.6705 0.4567 0.082
0.65 138.0 0.9318 0.7376 0.1102
0.65 150.0 -0.5307 0.6553 0.0674
0.65 162.0 0.549 0.8049 0.0693
0.65 174.0 0.5913 0.7957 0.0737
0.65 210.0 1.7732 0.8036 0.204
0.65 222.0 -0.0384 0.5328 0.0303
0.65 234.0 0.2955 0.4411 0.0451
0.65 246.0 0.1881 0.5326 0.0369
0.65 258.0 -0.0634 0.4674 0.0309
0.65 270.0 -0.1728 0.6105 0.0359
0.75 138.0 -0.7132 0.6134 0.0865
0.75 150.0 -0.4598 0.5426 0.0603
0.75 162.0 0.5188 0.6349 0.0662
0.75 174.0 -0.9891 0.6114 0.1165
0.75 186.0 1.1502 0.7552 0.1343
0.75 222.0 0.5394 0.6401 0.0683
0.75 234.0 -0.2532 0.4532 0.0416
0.75 246.0 -1.0075 0.3891 0.1185
0.75 258.0 0.3539 0.4776 0.0502
0.75 270.0 0.1689 0.6436 0.0356
0.85 222.0 0.216 0.6603 0.0388
0.85 234.0 -0.6867 0.405 0.0837
0.85 246.0 0.0833 0.4202 0.0315
0.85 258.0 0.3913 0.4618 0.0537
0.85 270.0 0.7964 0.6028 0.0954
0.95 234.0 0.2845 0.6253 0.0441
0.95 246.0 -0.4916 0.5099 0.0635
0.95 258.0 0.4164 0.5781 0.0561