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Measurement E151M1391

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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 : 0.0143 GeV2
W : 1445 GeV
ε : 0.6575
Ebeam : 1.0539 GeV
εL: 0.0223 

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 42 0.6297 0.8137 0.0771
0.25 54 1.4538 0.7932 0.1667
0.35 30 -0.0587 0.8779 0.0307
0.35 42 1.0435 0.6666 0.1215
0.35 54 -0.0449 0.55 0.0304
0.35 66 -0.2 0.936 0.0375
0.45 30 -2.0305 0.7761 0.231
0.45 42 -0.4426 0.6142 0.0582
0.45 54 -0.8692 0.5583 0.1025
0.45 66 -0.6583 0.7101 0.0801
0.45 222 -0.1585 0.8542 0.0349
0.45 234 -2.565 2.565 0.2908
0.45 246 0.3947 0.8613 0.0537
0.55 30 0.5403 0.8105 0.0679
0.55 42 -0.1421 0.7385 0.034
0.55 54 -1.3479 0.515 0.155
0.55 66 1.6205 0.7387 0.1852
0.55 150 -1.2538 0.81 0.1446
0.55 174 -0.6882 0.8919 0.0832
0.55 222 -0.8996 0.7307 0.1058
0.55 234 -1.4723 0.5666 0.1687
0.55 246 0.2718 0.5837 0.0429
0.55 258 0.7841 0.6999 0.0934
0.65 54 -0.203 0.9592 0.0377
0.65 150 -1.4115 0.6512 0.162
0.65 162 -0.5918 0.7349 0.0732
0.65 174 -1.4054 0.7629 0.1613
0.65 210 -1.5651 0.7906 0.1791
0.65 222 0.2447 0.5967 0.0408
0.65 234 -0.0483 0.605 0.0305
0.65 246 0.1464 0.5738 0.0342
0.65 258 -1.1238 0.7504 0.1303
0.75 30 -0.5696 0.8156 0.0709
0.75 138 0.2626 0.7689 0.0422
0.75 150 -0.3854 0.8988 0.0528
0.75 162 -0.6308 0.8532 0.0772
0.75 222 -0.1531 0.6141 0.0346
0.75 234 -0.2777 0.5606 0.0434
0.75 246 -0.1813 0.5455 0.0363
0.75 258 -0.7192 0.6554 0.0865
0.85 210 0.207 0.7466 0.038
0.85 222 -0.7328 0.59 0.0879
0.85 234 0.1373 0.4939 0.0338
0.85 246 0.6044 0.502 0.0745
0.85 258 -0.1825 0.6519 0.0364
0.95 246 -0.2783 0.664 0.0434