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Measurement E151M3143

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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 : 0.0496 GeV2
W : 1685 GeV
ε : 0.7523
Ebeam : 1.9889 GeV
εL: 0.0326 

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
0.35 78 0.1884 0.2691 0.0302
0.35 270 -0.0368 0.2189 0.03
0.45 138 -0.332 0.2526 0.0307
0.45 222 0.0746 0.2852 0.03
0.45 270 -0.179 0.241 0.0302
0.45 282 0.1288 0.2702 0.0301
0.55 114 -0.1566 0.2666 0.0302
0.55 126 0.1296 0.2697 0.0301
0.55 138 0.3267 0.2771 0.0307
0.55 210 -0.5921 0.2009 0.0323
0.55 222 -0.0259 0.2541 0.03
0.55 246 -0.2192 0.2725 0.0303
0.55 258 -0.1729 0.2497 0.0302
0.55 270 0.1465 0.2252 0.0301
0.65 126 -0.2634 0.2348 0.0305
0.65 138 0.2426 0.2222 0.0304
0.65 210 0.2558 0.2649 0.0304
0.65 222 -0.3096 0.2353 0.0306
0.65 234 0.1835 0.2622 0.0302
0.65 294 0.4559 0.2308 0.0314
0.75 54 0.1526 0.271 0.0302
0.75 66 -0.1735 0.2316 0.0302
0.75 114 0.1191 0.2385 0.0301
0.75 198 0.1594 0.2575 0.0302
0.75 210 -0.2396 0.2286 0.0304
0.75 222 -0.0669 0.2123 0.03
0.75 234 0.3966 0.2355 0.031
0.75 270 -0.1564 0.2119 0.0302
0.75 282 0.2277 0.1941 0.0303
0.85 114 -0.2247 0.2172 0.0303
0.85 126 0.2664 0.2194 0.0305
0.85 138 0.2702 0.2555 0.0305
0.85 198 -0.1582 0.2268 0.0302
0.85 210 -0.06 0.2229 0.03
0.85 222 0.1882 0.1996 0.0302
0.85 234 -0.2693 0.2387 0.0305
0.85 270 0.3391 0.2648 0.0308