CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M371

You are not logged in.

Experiment: EG4, 2016

Spokespersons: Xiaochao Zheng

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).

No publications available for this experiment

Quantity measured: AUL,
Target spin asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.0245 GeV2
W : 1475 GeV
ε : 0.7648
Ebeam : 1.3383 GeV
εL: 0.0378 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): AUL,
Plot measurement data

Parameter (X axis): φ(π+), degrees

Click here to get data in text file, delimited with tabs.

Measured data:

cos(θπ+) φ(π+),
degrees 		AUL Data errors Systematic errors
0.35 42 0.1389 0.6573 0.0312
0.45 18 -0.9472 0.5787 0.0659
0.45 30 0.3456 0.5286 0.0368
0.45 42 0.6158 0.5884 0.0485
0.45 138 -0.7124 0.5995 0.0533
0.45 222 0.6056 0.5906 0.048
0.45 234 -1.2593 0.545 0.0835
0.45 246 -0.137 0.5836 0.0312
0.55 18 -0.0767 0.6402 0.0304
0.55 30 -0.5392 0.5286 0.0449
0.55 42 1.2284 0.4935 0.0818
0.55 126 -0.1241 0.5642 0.031
0.55 138 -1.1534 0.4964 0.0775
0.55 150 -0.3878 0.5041 0.0384
0.55 162 0.0832 0.5854 0.0304
0.55 210 1.7574 0.5204 0.1129
0.55 222 -0.1111 0.4701 0.0308
0.55 234 0.8434 0.4486 0.0602
0.55 246 -0.5184 0.5357 0.0439
0.65 126 -0.6872 0.4811 0.0521
0.65 138 -0.0742 0.4558 0.0303
0.65 150 0.1688 0.5745 0.0318
0.65 162 -0.6405 0.5389 0.0497
0.65 198 -0.9669 0.6298 0.067
0.65 210 -0.0312 0.4832 0.0301
0.65 222 0.9893 0.4054 0.0682
0.65 234 -0.6578 0.3572 0.0506
0.65 246 0.4405 0.4494 0.0405
0.65 258 -0.983 0.549 0.0679
0.75 126 -0.6118 0.634 0.0483
0.75 138 -0.313 0.4901 0.0357
0.75 150 -0.8163 0.5275 0.0588
0.75 162 -0.0016 0.5285 0.03
0.75 222 -0.2728 0.4282 0.0344
0.75 234 0.1266 0.3923 0.031
0.75 246 0.2681 0.3937 0.0343
0.75 258 0.5188 0.5838 0.044
0.85 114 -0.6878 0.5011 0.0521
0.85 126 0.6315 0.5441 0.0493
0.85 138 0.7184 0.5879 0.0537
0.85 210 0.7022 0.5437 0.0528
0.85 222 0.5045 0.4437 0.0433
0.85 234 0.8131 0.4336 0.0586
0.85 246 -0.1604 0.382 0.0316
0.95 138 -0.8472 0.472 0.0604
0.95 222 0.4331 0.5588 0.0402
0.95 234 0.731 0.5375 0.0543
0.25 30 0.0711 0.9788 0.0303
0.25 42 -0.5135 0.6717 0.0431
0.35 30 0.2123 0.9787 0.0326
0.35 42 -0.7117 0.6037 0.0523
0.35 54 1.1851 1.5957 0.0774
0.45 18 1.1364 1.0925 0.0747
0.45 30 0.5104 0.8441 0.0429
0.45 42 0.7751 0.8425 0.0555
0.45 54 -0.4842 0.9423 0.0418
0.45 210 0.4205 0.9691 0.0393
0.45 222 0.9264 1.1111 0.0633
0.45 234 0.8888 1.1042 0.0614
0.45 246 -0.6477 0.7384 0.0492
0.55 30 0.5419 0.9665 0.0443
0.55 42 -0.7876 0.6398 0.0561
0.55 126 3.8355 3.8355 0.2329
0.55 138 -1.2754 0.4903 0.0825
0.55 150 -0.6143 0.7459 0.0476
0.55 162 1.8208 1.4013 0.1137
0.55 198 -1.2812 0.5516 0.0828
0.55 210 1.2899 1.0826 0.0833
0.55 222 0.8969 0.9036 0.0618
0.55 234 0.904 0.7761 0.0622
0.55 246 -0.4896 0.6261 0.0421
0.65 126 -0.5061 0.7027 0.0428
0.65 138 -0.0996 0.7239 0.0306
0.65 150 -1.3249 0.3882 0.0852
0.65 174 -0.0177 0.996 0.03
0.65 210 -0.4074 0.6041 0.0388
0.65 222 0.2912 0.6163 0.0347
0.65 234 0.3114 0.5681 0.0354
0.65 246 -0.9425 0.3802 0.0642
0.75 126 -0.8207 0.7264 0.0578
0.75 138 -0.0277 1.0054 0.03
0.75 150 -0.8759 0.5924 0.0607
0.75 162 1.0451 1.154 0.0697
0.75 210 0.7021 0.9245 0.0518
0.75 222 0.5399 0.7926 0.0442
0.75 234 -0.5052 0.4497 0.0427
0.75 246 0.6508 0.7776 0.0494
0.75 258 1.2396 0.9932 0.0804
0.85 126 -1.4909 0.3973 0.0947
0.85 198 1.7773 1.2243 0.1111
0.85 210 -0.3856 0.6816 0.0379
0.85 222 1.3051 0.7892 0.0841
0.85 234 -0.0319 0.5768 0.0301
0.85 246 -0.5451 0.4304 0.0445
0.85 258 -0.7449 0.5352 0.054
0.95 234 -0.049 0.6657 0.0301