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Measurement E151M2692

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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 : 0.1715 GeV2
W : 1265 GeV
ε : 0.8486
Ebeam : 1.3383 GeV
εL: 0.6451 

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
0.45 282 0.1151 0.313 0.0301
0.55 258 -0.2475 0.3549 0.0304
0.55 270 0.228 0.3458 0.0303
0.55 282 0.0921 0.2931 0.0301
0.65 258 0.4771 0.2603 0.0315
0.65 270 0.0375 0.316 0.03
0.65 282 0.3404 0.2711 0.0308
0.65 294 -0.2849 0.3216 0.0305
0.75 114 0.238 0.2993 0.0304
0.75 126 0.0364 0.2913 0.03
0.75 246 0.0595 0.3426 0.03
0.75 258 -0.1427 0.2763 0.0301
0.75 270 -0.4813 0.26 0.0315
0.75 282 0.1397 0.332 0.0301
0.75 294 -0.0989 0.2892 0.0301
0.85 90 -0.356 0.3223 0.0308
0.85 102 0.7606 0.1489 0.0336
0.85 114 -0.2132 0.2849 0.0303
0.85 126 0.4398 0.2197 0.0313
0.85 138 -0.2911 0.3592 0.0306
0.85 150 -0.5135 0.2908 0.0317
0.85 162 -0.1472 0.3753 0.0301
0.85 258 -0.1397 0.376 0.0301
0.85 270 -0.1401 0.3346 0.0301
0.85 282 -0.42 0.2322 0.0312
0.85 294 0.0805 0.2921 0.03
0.85 306 -0.4439 0.3006 0.0313
0.95 66 0.5046 0.2742 0.0317
0.95 102 -0.3026 0.2916 0.0306
0.95 114 0.111 0.2643 0.0301
0.95 126 0.1063 0.323 0.0301
0.95 138 -0.2423 0.2869 0.0304
0.95 150 0.1272 0.3036 0.0301
0.95 162 -0.0271 0.356 0.03
0.95 174 0.4162 0.2543 0.0311
0.95 186 0.2065 0.3571 0.0303
0.95 270 0.7043 0.2036 0.0331
-0.05 42 0.2141 0.2858 0.0303
0.45 282 -0.1898 0.2636 0.0302
0.55 282 -0.2607 0.2394 0.0304
0.55 294 -0.1135 0.2563 0.0301
0.65 258 -0.5173 0.1761 0.0317
0.65 270 -0.008 0.2468 0.03
0.65 282 -0.0149 0.2153 0.03
0.65 294 0.27 0.2475 0.0305
0.75 114 0.389 0.2465 0.031
0.75 126 0.1968 0.2776 0.0303
0.75 246 -0.0629 0.2591 0.03
0.75 258 -0.2148 0.2426 0.0303
0.75 270 -0.141 0.1879 0.0301
0.75 282 -0.3885 0.21 0.031
0.75 294 0.1341 0.2299 0.0301
0.75 306 0.3773 0.2646 0.0309
0.85 90 -0.2886 0.2276 0.0306
0.85 102 0.1382 0.2142 0.0301
0.85 114 -0.3747 0.1985 0.0309
0.85 126 0.1591 0.2077 0.0302
0.85 138 -0.4729 0.1964 0.0315
0.85 150 0.3632 0.2277 0.0309
0.85 258 -0.0798 0.2279 0.03
0.85 270 0.2495 0.1866 0.0304
0.85 282 0.0153 0.2083 0.03
0.85 294 -0.1595 0.1963 0.0302
0.95 102 -0.3971 0.2366 0.031
0.95 114 0.3279 0.2268 0.0307
0.95 126 0.2934 0.1886 0.0306
0.95 138 0.4174 0.2704 0.0311
0.95 150 0.353 0.2133 0.0308
0.95 162 -0.0881 0.2306 0.0301
0.95 174 -0.3172 0.2559 0.0307
0.95 186 -0.2381 0.264 0.0304
0.95 198 0.7511 0.2217 0.0336
0.95 258 -0.2287 0.2665 0.0303