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Measurement E151M1860

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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: ALL,

Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.0348 GeV2
W : 1565 GeV
ε : 0.8546
Ebeam : 1.9889 GeV
εL: 0.0407 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALL,
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 		ALL Stat. error Syst. error
0.25 66 -0.2195 0.9354 0.0328
0.25 78 0.2388 0.9266 0.0333
0.35 66 -1.5302 0.7605 0.0975
0.35 78 0.2625 0.7703 0.034
0.35 90 0.441 0.7584 0.0402
0.35 270 0.0155 0.7893 0.03
0.35 282 -0.5271 0.711 0.0438
0.45 66 -1.5792 0.7149 0.1003
0.45 78 0.567 0.7559 0.0456
0.45 90 0.5838 0.787 0.0464
0.45 126 1.6248 0.7454 0.1029
0.45 258 -0.6616 0.8311 0.0501
0.45 270 0.3341 0.7188 0.0362
0.45 282 -1.9621 0.5925 0.1226
0.45 294 0.0807 0.9974 0.0304
0.55 78 -1.3759 0.6915 0.0886
0.55 90 0.6561 0.9081 0.0498
0.55 114 -0.7963 0.9195 0.0568
0.55 126 0.4766 0.7463 0.0416
0.55 138 0.7543 0.932 0.0547
0.55 150 -0.6149 0.8635 0.0478
0.55 186 -0.3839 0.9566 0.038
0.55 198 0.5858 0.901 0.0465
0.55 210 -0.0115 0.9033 0.03
0.55 222 1.6592 0.6489 0.1049
0.55 234 0.073 0.7821 0.0303
0.55 246 0.5576 0.8763 0.0452
0.55 258 -0.5476 0.6076 0.0447
0.55 270 -0.7414 0.6644 0.054
0.55 282 -0.0048 0.694 0.03
0.55 294 -0.0379 0.8448 0.0301
0.65 66 1.0223 0.8587 0.0688
0.65 78 -0.7502 0.8546 0.0545
0.65 90 -1.2532 0.776 0.0816
0.65 102 0.979 0.8055 0.0665
0.65 114 -0.1816 0.7641 0.032
0.65 126 -0.269 0.6874 0.0341
0.65 138 0.683 0.7014 0.0511
0.65 150 -0.2225 0.8534 0.0329
0.65 198 -0.0202 0.8135 0.03
0.65 210 0.7316 0.7658 0.0535
0.65 222 -0.0925 0.7382 0.0305
0.65 234 -0.6173 0.7537 0.0479
0.65 246 -0.1263 0.8593 0.031
0.65 258 -0.6707 0.817 0.0505
0.65 270 0.7327 0.9198 0.0536
0.65 282 1.0806 0.7457 0.072
0.65 294 -1.8398 0.7968 0.1154
0.75 66 -0.5293 0.7719 0.0439
0.75 78 0.7614 0.9323 0.055
0.75 90 0.3526 0.9854 0.0368
0.75 114 -1.4851 0.8938 0.0949
0.75 126 -0.2948 0.7815 0.0349
0.75 138 0.6679 0.7254 0.0504
0.75 150 -0.1874 0.8561 0.0321
0.75 198 -0.7549 0.7634 0.0547
0.75 210 0.1607 0.5849 0.0315
0.75 222 -0.2901 0.6009 0.0348
0.75 234 0.2435 0.6155 0.0334
0.75 246 1.6033 0.7199 0.1017
0.75 258 -0.517 0.901 0.0434
0.75 270 -0.2781 0.5957 0.0344
0.75 282 -0.2238 0.5149 0.0329
0.75 294 -0.2239 0.733 0.0329
0.85 102 -0.1201 0.8158 0.0309
0.85 114 -0.4659 0.6916 0.0412
0.85 126 0.3749 0.8105 0.0376
0.85 138 0.8474 0.8408 0.0595
0.85 198 -1.3982 0.7305 0.0899
0.85 210 -1.712 0.6044 0.108
0.85 222 -0.0496 0.6716 0.0301
0.85 234 -0.7869 0.667 0.0563
0.85 270 0.1795 0.8693 0.0319
0.95 210 1.1085 0.8185 0.0736
0.95 222 0.3817 0.7893 0.0379