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Measurement E151M2793

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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 : 0.0143 GeV2
W : 1445 GeV
ε : 0.8069
Ebeam : 1.3383 GeV
εL: 0.0273 

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 0.3086 0.3402 0.0306
0.45 222 0.5346 0.2448 0.0318
0.45 234 -0.0004 0.3502 0.03
0.55 18 0.0009 0.3603 0.03
0.55 30 0.7623 0.1737 0.0337
0.55 42 -0.5239 0.2232 0.0318
0.55 138 0.3262 0.2862 0.0307
0.55 150 0.2925 0.357 0.0306
0.55 210 -0.7199 0.2567 0.0333
0.55 222 -0.8084 0.1767 0.0341
0.55 234 -0.3452 0.3073 0.0308
0.55 246 -0.3382 0.2618 0.0308
0.65 126 0.2896 0.3504 0.0306
0.65 138 0.143 0.3613 0.0301
0.65 150 -0.1646 0.3508 0.0302
0.65 162 0.1214 0.3762 0.0301
0.65 210 -0.3428 0.3078 0.0308
0.65 222 -0.4044 0.2279 0.0311
0.65 234 -0.0212 0.2958 0.03
0.65 246 -0.2949 0.3439 0.0306
0.75 138 -0.2713 0.3546 0.0305
0.75 150 -0.3268 0.3604 0.0307
0.75 162 0.3323 0.4231 0.0307
0.75 210 -0.0434 0.3455 0.03
0.75 222 -0.1178 0.2988 0.0301
0.75 234 0.1774 0.2686 0.0302
0.75 246 0.0458 0.3511 0.03
0.85 126 -0.7876 0.2527 0.0339
0.85 210 -0.3695 0.3094 0.0309
0.85 222 -0.5059 0.2472 0.0317
0.85 234 -0.2909 0.2391 0.0306
0.85 246 0.1185 0.3085 0.0301
0.95 234 -0.2427 0.3829 0.0304
0.35 42 0.3783 0.2337 0.0309
0.45 42 0.0035 0.2428 0.03
0.55 18 -0.1469 0.245 0.0301
0.55 30 0.243 0.2204 0.0304
0.55 42 0.1144 0.2388 0.0301
0.55 138 -0.3627 0.2218 0.0309
0.55 150 -0.1618 0.2204 0.0302
0.55 210 0.2126 0.2546 0.0303
0.55 222 -0.2116 0.1804 0.0303
0.55 234 -0.2282 0.216 0.0303
0.55 246 -0.2945 0.1965 0.0306
0.65 126 0.3333 0.1887 0.0307
0.65 138 0.1268 0.1884 0.0301
0.65 150 0.0142 0.2396 0.03
0.65 210 -0.0578 0.2324 0.03
0.65 222 -0.1314 0.1707 0.0301
0.65 234 0.1954 0.2047 0.0303
0.65 246 -0.1448 0.2168 0.0301
0.75 138 0.1727 0.2637 0.0302
0.75 150 -0.2862 0.2192 0.0305
0.75 222 0.186 0.2186 0.0302
0.75 234 -0.0102 0.1584 0.03
0.75 246 0.0064 0.2087 0.03
0.85 138 -0.7558 0.2066 0.0336
0.85 222 -0.4131 0.206 0.0311
0.85 234 0.2055 0.197 0.0303
0.85 246 0.1551 0.2146 0.0302