CLAS Physics Database

Measurement E151M1446

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: 0.4482
Q2: 0.0707 GeV2
W: 1235.0 GeV
Ebeam: 1.3383 GeV
ε: 0.9212

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.05 42.0 -0.2962 0.5628 0.0425
0.45 282.0 -0.9565 0.4854 0.0632
0.55 270.0 0.6212 0.5498 0.047
0.55 282.0 0.6707 0.5037 0.0492
0.65 246.0 0.7291 0.7162 0.0519
0.65 258.0 1.4564 0.4202 0.0898
0.65 270.0 -0.2445 0.543 0.0332
0.65 282.0 0.9549 0.552 0.0631
0.65 294.0 0.8967 0.6701 0.0602
0.75 246.0 0.3225 0.7086 0.0354
0.75 258.0 -0.3014 0.5409 0.0347
0.75 270.0 0.3285 0.522 0.0356
0.75 282.0 0.0816 0.4961 0.0304
0.85 102.0 1.3398 0.5482 0.0835
0.85 114.0 0.5768 0.7951 0.045
0.85 126.0 -0.6415 0.6068 0.0479
0.85 138.0 0.4547 0.526 0.04
0.85 150.0 -0.0806 0.6933 0.0304
0.85 162.0 -0.2544 0.658 0.0334
0.85 174.0 0.5742 0.6101 0.0449
0.85 186.0 -0.0506 0.6847 0.0301
0.85 198.0 0.4048 0.7139 0.0381
0.85 234.0 1.6993 1.6993 0.1033
0.85 246.0 0.4593 0.735 0.0402
0.85 258.0 -0.3052 0.5393 0.0349
0.85 270.0 0.3125 0.5515 0.0351
0.85 282.0 0.0536 0.5953 0.0302
0.95 114.0 0.8181 0.6774 0.0562
0.95 126.0 -0.6511 0.5851 0.0483
0.95 138.0 -0.5715 0.5655 0.0448
0.95 150.0 -0.5108 0.5757 0.0422
0.95 162.0 0.6101 0.6237 0.0465
0.95 174.0 0.9064 0.5512 0.0606
0.95 186.0 -0.1712 0.5961 0.0316
0.95 198.0 -0.0011 0.7388 0.03
0.95 210.0 0.9209 0.5028 0.0614
0.15 30.0 -0.0029 0.5916 0.03
0.45 282.0 0.2015 0.5677 0.0323
0.55 258.0 -0.2845 0.6403 0.0345
0.55 270.0 -0.2042 0.4383 0.0324
0.55 282.0 0.2326 0.4236 0.0331
0.65 258.0 0.263 0.5036 0.0339
0.65 270.0 0.0361 0.3899 0.0301
0.65 282.0 -0.7086 0.4389 0.052
0.65 294.0 -0.3214 0.6144 0.0357
0.75 246.0 -0.1281 0.4905 0.031
0.75 258.0 0.2526 0.4583 0.0336
0.75 270.0 -0.5484 0.3817 0.0445
0.75 282.0 0.2186 0.4001 0.0327
0.75 294.0 -1.203 0.5995 0.0781
0.85 114.0 -0.3693 0.5617 0.0373
0.85 126.0 0.0783 0.4967 0.0304
0.85 138.0 0.1148 0.4588 0.0308
0.85 150.0 -0.7753 0.4527 0.0553
0.85 162.0 0.0349 0.559 0.0301
0.85 174.0 0.1427 0.6359 0.0312
0.85 210.0 -0.7284 0.6116 0.053
0.85 222.0 0.941 0.5556 0.0639
0.85 234.0 0.0903 0.6084 0.0305
0.85 246.0 -0.6488 0.4808 0.0491
0.85 258.0 0.4829 0.4434 0.0417
0.85 270.0 -0.2224 0.3958 0.0328
0.85 282.0 0.9745 0.4531 0.0657
0.95 114.0 1.5219 1.5219 0.096
0.95 126.0 -0.1999 0.5352 0.0323
0.95 138.0 0.8895 0.4205 0.0612
0.95 150.0 -0.0651 0.439 0.0303
0.95 162.0 0.7505 0.3819 0.0541
0.95 174.0 0.112 0.5411 0.0307
0.95 186.0 -0.5046 0.554 0.0426
0.95 198.0 0.7234 0.4921 0.0527
0.95 210.0 0.3358 0.5693 0.0361