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Measurement E151M2467

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

Q2 : 0.0121 GeV2
W : 1235 GeV
ε : 0.9165
Ebeam : 1.0539 GeV
εL: 0.0901 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALU,
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 		ALU Stat. error Syst. error
0.45 42 -0.1371 0.223 0.0301
0.45 54 0.0414 0.2062 0.03
0.45 66 0.5092 0.2176 0.0317
0.45 270 -0.3414 0.188 0.0308
0.55 246 -0.5027 0.1494 0.0316
0.55 258 0.0855 0.1528 0.03
0.55 270 -0.2837 0.1481 0.0305
0.55 282 0.2077 0.2018 0.0303
0.65 162 -0.1499 0.2255 0.0301
0.65 174 0.0281 0.2218 0.03
0.65 186 0.0134 0.2313 0.03
0.65 198 -0.0208 0.2548 0.03
0.65 234 -0.0656 0.1711 0.03
0.65 246 0.2817 0.1437 0.0305
0.65 258 -0.0675 0.1335 0.03
0.65 270 0.2623 0.1539 0.0305
0.65 282 -0.1784 0.1942 0.0302
0.75 150 0.4227 0.1879 0.0312
0.75 162 0.1691 0.1812 0.0302
0.75 174 0.2358 0.1679 0.0304
0.75 186 -0.1503 0.1904 0.0302
0.75 198 -0.0852 0.1882 0.03
0.75 210 -0.4934 0.2018 0.0316
0.75 222 -0.369 0.1914 0.0309
0.75 234 -0.1599 0.1779 0.0302
0.75 246 0.3442 0.1439 0.0308
0.75 258 -0.1411 0.1353 0.0301
0.75 270 -0.0461 0.1886 0.03
0.85 174 0.4648 0.2252 0.0314
0.85 186 0.1308 0.2359 0.0301
0.85 234 -0.378 0.2113 0.0309
0.85 246 -0.0404 0.2605 0.03
0.85 258 -0.1735 0.232 0.0302