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Measurement E151M3327

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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 : 0.0415 GeV2
W : 1595 GeV
ε : 0.8752
Ebeam : 2.2596 GeV
εL: 0.0441 

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
0.45 126 -0.0233 0.2659 0.03
0.45 270 0.0573 0.2451 0.03
0.55 126 -0.1698 0.2463 0.0302
0.55 270 -0.1745 0.2295 0.0302
0.55 282 -0.3447 0.2442 0.0308
0.65 126 -0.1882 0.2419 0.0302
0.65 222 0.4094 0.2258 0.0311
0.75 66 -0.158 0.2579 0.0302
0.75 126 -0.1779 0.2362 0.0302
0.75 138 -0.2472 0.2517 0.0304
0.75 198 0.4052 0.248 0.0311
0.75 210 -0.1747 0.2079 0.0302
0.75 222 0.1285 0.2361 0.0301
0.75 234 0.1979 0.224 0.0303
0.75 270 0.056 0.2517 0.03
0.75 282 0.0326 0.2118 0.03
0.85 114 0.0061 0.2256 0.03
0.85 210 -0.1 0.2228 0.0301
0.45 282 0.1886 0.2456 0.0302
0.55 114 0.2942 0.2642 0.0306
0.55 126 -0.2803 0.2219 0.0305
0.55 270 -0.0248 0.2661 0.03
0.65 114 0.2466 0.2594 0.0304
0.65 138 0.0684 0.2603 0.03
0.65 210 0.1916 0.2423 0.0302
0.65 222 -0.2322 0.2482 0.0304
0.75 126 0.0456 0.2652 0.03
0.75 138 -0.0524 0.263 0.03
0.75 210 -0.3825 0.2284 0.031
0.75 234 0.0557 0.241 0.03
0.75 282 0.1612 0.2352 0.0302
0.85 102 0.049 0.2657 0.03
0.85 114 0.0268 0.2327 0.03
0.85 126 -0.1675 0.2337 0.0302
0.85 210 -0.058 0.2362 0.03
0.85 222 -0.0106 0.2378 0.03
0.85 234 0.0333 0.2683 0.03