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Measurement E151M2781

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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 : 1415 GeV
ε : 0.8111
Ebeam : 1.3383 GeV
εL: 0.1032 

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
0.25 30 -0.5903 0.237 0.0322
0.35 18 0.0488 0.3987 0.03
0.45 30 -0.499 0.2749 0.0316
0.55 138 -0.5109 0.3255 0.0317
0.55 234 0.2367 0.2709 0.0304
0.55 246 0.4235 0.2608 0.0312
0.55 258 0.1695 0.3435 0.0302
0.65 114 -0.3463 0.3659 0.0308
0.65 126 -0.0688 0.385 0.03
0.65 138 -0.075 0.3262 0.03
0.65 150 -0.5418 0.253 0.0319
0.65 222 -0.6191 0.2155 0.0325
0.65 234 -0.603 0.2085 0.0323
0.65 246 -0.1289 0.2463 0.0301
0.65 258 -0.2966 0.2447 0.0306
0.75 114 0.7352 0.1791 0.0334
0.75 126 -0.0247 0.277 0.03
0.75 138 0.15 0.3114 0.0301
0.75 150 -0.5346 0.2427 0.0318
0.75 162 -0.1795 0.3624 0.0302
0.75 210 0.3868 0.3117 0.031
0.75 222 -0.0285 0.3287 0.03
0.75 234 0.2637 0.2508 0.0305
0.75 246 -0.2743 0.2755 0.0305
0.75 258 0.1756 0.2988 0.0302
0.75 270 -0.4905 0.3059 0.0316
0.85 114 0.2243 0.3889 0.0303
0.85 126 0.2117 0.4139 0.0303
0.85 138 -0.4677 0.3758 0.0314
0.85 210 -0.7888 0.1942 0.0339
0.85 222 0.4631 0.2187 0.0314
0.85 234 0.2157 0.2678 0.0303
0.85 246 -0.4539 0.212 0.0313
0.85 258 0.2072 0.2319 0.0303
0.85 270 -0.2945 0.2948 0.0306
0.95 234 -0.2587 0.2986 0.0304
0.95 246 0.0217 0.288 0.03
0.95 258 -0.2817 0.2959 0.0305
0.25 42 0.2134 0.2869 0.0303
0.35 30 0.0257 0.2667 0.03
0.35 42 -0.0022 0.2787 0.03
0.45 30 0.209 0.2349 0.0303
0.55 138 -0.0108 0.2788 0.03
0.55 222 -0.3428 0.229 0.0308
0.55 234 0.0394 0.2503 0.03
0.55 246 -0.0498 0.2426 0.03
0.65 126 0.0613 0.2111 0.03
0.65 138 -0.1227 0.2064 0.0301
0.65 150 0.8571 0.1837 0.0346
0.65 162 -0.0495 0.2574 0.03
0.65 222 -0.0665 0.2031 0.03
0.65 234 -0.12 0.1948 0.0301
0.65 246 -0.4113 0.1818 0.0311
0.65 258 -0.3292 0.1991 0.0307
0.75 114 -0.3128 0.2454 0.0306
0.75 126 -0.0408 0.1692 0.03
0.75 138 0.0531 0.1709 0.03
0.75 150 -0.0503 0.2033 0.03
0.75 162 0.5147 0.2356 0.0317
0.75 222 -0.0279 0.1934 0.03
0.75 234 -0.0332 0.1916 0.03
0.75 246 -0.1103 0.1993 0.0301
0.75 258 -0.0466 0.197 0.03
0.85 114 -0.0099 0.245 0.03
0.85 138 0.0122 0.2164 0.03
0.85 162 0.0757 0.275 0.03
0.85 222 -0.1768 0.2293 0.0302
0.85 234 -0.2721 0.223 0.0305
0.85 246 0.0375 0.1762 0.03
0.85 258 -0.3227 0.1716 0.0307
0.85 270 -0.0884 0.2316 0.0301
0.95 102 -0.4364 0.2617 0.0312
0.95 114 0.0494 0.2573 0.03
0.95 126 -0.0595 0.2518 0.03
0.95 234 -0.2605 0.2118 0.0304
0.95 246 -0.263 0.2276 0.0305
0.95 258 -0.131 0.2305 0.0301
0.95 270 -0.1545 0.258 0.0302