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Measurement E151M1906

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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 : 1655 GeV
ε : 0.7866
Ebeam : 1.9889 GeV
εL: 0.0269 

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 66 -0.347 0.9253 0.0366
0.35 270 0.4202 0.7564 0.0393
0.35 282 -1.1597 0.7416 0.0764
0.45 78 1.1372 0.7021 0.0752
0.45 90 -1.1445 0.8049 0.0756
0.45 126 0.0072 0.815 0.03
0.45 270 -0.5372 0.6 0.0443
0.45 282 -2.5542 2.5542 0.1577
0.45 294 -0.5635 0.7153 0.0455
0.45 330 -0.417 0.8159 0.0392
0.55 126 0.2955 0.6744 0.0349
0.55 138 -1.4934 0.7469 0.0953
0.55 198 -0.7977 0.8268 0.0569
0.55 210 0.2739 0.7943 0.0343
0.55 222 0.3627 0.8144 0.0372
0.55 258 -1.4447 0.6218 0.0925
0.55 270 -0.2323 0.7147 0.0331
0.55 282 -0.7694 0.7447 0.0554
0.65 66 -1.5843 0.7315 0.1006
0.65 114 0.0217 0.8684 0.03
0.65 126 -0.8381 0.7068 0.059
0.65 138 0.122 0.6598 0.0309
0.65 210 -0.8032 0.699 0.0572
0.65 222 -1.5738 0.6314 0.1
0.65 246 -1.4003 0.6502 0.09
0.65 282 1.0505 0.6314 0.0704
0.75 66 -1.6848 0.6579 0.1064
0.75 78 -0.4041 0.8228 0.0387
0.75 114 0.2056 0.8107 0.0325
0.75 126 0.6741 0.851 0.0507
0.75 198 -0.1503 0.8311 0.0314
0.75 210 -0.5076 0.6117 0.043
0.75 222 -1.2631 0.5622 0.0822
0.75 234 -0.5418 0.7171 0.0445
0.75 258 0.871 0.7005 0.0607
0.75 270 -0.1435 0.6025 0.0312
0.75 282 -0.2104 0.6011 0.0326
0.75 294 -0.9404 0.742 0.0644
0.85 114 -0.1202 0.6455 0.0309
0.85 126 0.0716 0.6651 0.0303
0.85 138 0.5786 0.8488 0.0461
0.85 198 0.0506 0.7699 0.0302
0.85 210 -0.6105 0.6772 0.0476
0.85 222 -0.5444 0.6884 0.0446