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Measurement E151M1412

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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 : 0.0245 GeV2
W : 1475 GeV
ε : 0.5835
Ebeam : 1.0539 GeV
εL: 0.0289 

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 30 0.806 0.8357 0.0957
0.25 42 0.0077 0.7318 0.03
0.25 54 -0.7084 0.8643 0.0853
0.35 42 -0.1065 0.675 0.0323
0.35 54 0.4327 0.5786 0.0573
0.35 66 0.4047 0.8575 0.0546
0.35 246 -2.0694 0.8478 0.2353
0.45 30 -0.0451 0.8311 0.0304
0.45 42 0.9523 0.6465 0.1115
0.45 54 -0.5529 0.6992 0.0692
0.45 66 0.8184 0.6464 0.0971
0.45 222 0.6604 0.8248 0.0803
0.45 234 -0.8992 0.6606 0.1058
0.45 246 -0.4622 0.7321 0.0601
0.45 258 -0.9147 0.7016 0.1074
0.55 30 0.0858 0.8637 0.0315
0.55 42 0.2545 0.9079 0.0415
0.55 54 0.1488 0.7541 0.0344
0.55 150 -1.4636 0.748 0.1678
0.55 162 -0.9713 0.7886 0.1136
0.55 222 -0.1315 0.6722 0.0335
0.55 234 0.1974 0.6445 0.0374
0.55 246 -0.503 0.6261 0.0642
0.55 258 -0.209 0.6477 0.0382
0.65 162 0.1849 0.8004 0.0365
0.65 174 1.9631 0.6705 0.2234
0.65 186 0.2888 0.8446 0.0443
0.65 222 -0.8384 0.6356 0.0992
0.65 234 -1.1675 0.5142 0.1351
0.65 246 -0.9721 0.5566 0.1137
0.65 258 0.4126 0.6175 0.0554
0.75 30 0.7372 0.826 0.0884
0.75 42 0.5163 0.7622 0.0655
0.75 222 -0.3931 0.7154 0.0535
0.75 234 -1.4708 0.5476 0.1686
0.75 246 -0.396 0.4822 0.0538
0.75 258 -0.5145 0.6433 0.0653
0.85 222 0.0555 0.6963 0.0306
0.85 234 0.6995 0.6008 0.0844
0.85 246 0.0818 0.5756 0.0314
0.85 258 0.9197 0.5507 0.108