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Measurement E151M1388

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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 : 0.0084 GeV2
W : 1445 GeV
ε : 0.6652
Ebeam : 1.0539 GeV
εL: 0.0134 

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
0.35 30 -0.226 0.8924 0.0394
0.35 42 0.9765 0.7567 0.1142
0.35 54 -0.5586 0.7132 0.0698
0.45 30 -0.007 0.8962 0.03
0.45 42 -0.4407 0.7305 0.0581
0.45 54 0.5232 0.6162 0.0662
0.45 66 0.4412 0.817 0.0581
0.45 222 0.3759 0.9171 0.0519
0.55 30 -0.8796 0.7407 0.1036
0.55 42 -0.7904 0.5971 0.0941
0.55 54 0.7075 0.686 0.0853
0.55 66 -1.4307 0.8062 0.1641
0.55 162 -0.3629 0.8656 0.0508
0.55 210 1.3721 0.8436 0.1576
0.55 222 0.8907 0.6633 0.1048
0.55 234 1.0003 0.6043 0.1167
0.55 246 -0.022 0.7009 0.0301
0.55 258 -1.4328 0.7975 0.1644
0.65 138 -0.4489 0.8144 0.0588
0.65 150 -0.4441 0.7535 0.0584
0.65 174 -0.2377 0.9106 0.0402
0.65 210 -0.1517 0.7612 0.0345
0.65 222 0.2987 0.7158 0.0451
0.65 234 0.184 0.5756 0.0365
0.65 246 0.3504 0.6637 0.0496
0.75 210 -1.623 0.7347 0.1855
0.75 222 0.4852 0.7311 0.0624
0.75 234 -0.5639 0.6414 0.0703
0.75 246 -1.1512 0.5669 0.1333
0.85 210 -0.2947 0.7401 0.0448
0.85 222 0.9079 0.6927 0.1067
0.85 234 -0.4194 0.6019 0.056
0.85 246 -0.6745 0.6686 0.0818