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Measurement E151M3596

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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 : 1745 GeV
ε : 0.8584
Ebeam : 2.999 GeV
εL: 0.095 

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
0.55 102 -0.1061 0.2588 0.0301
0.55 114 0.3388 0.2556 0.0308
0.55 126 -0.0763 0.2716 0.03
0.55 222 0.1971 0.28 0.0303
0.65 102 0.2788 0.253 0.0305
0.65 114 -0.2636 0.266 0.0305
0.65 126 -0.2753 0.2261 0.0305
0.65 138 -0.4552 0.2263 0.0314
0.65 198 -0.0011 0.2555 0.03
0.65 210 0.3373 0.2287 0.0307
0.65 234 0.5334 0.2653 0.0318
0.65 282 0.142 0.2436 0.0301
0.75 90 -0.4083 0.1899 0.0311
0.75 102 -0.2041 0.2293 0.0303
0.75 114 0.2341 0.2479 0.0304
0.75 126 -0.1154 0.2457 0.0301
0.75 186 -0.1085 0.2239 0.0301
0.75 198 0.1297 0.2173 0.0301
0.75 210 0.3672 0.2052 0.0309
0.75 222 -0.2183 0.2052 0.0303
0.75 234 0.5423 0.1989 0.0319
0.75 246 0.0499 0.3043 0.03
0.75 282 -0.304 0.1968 0.0306
0.75 294 -0.0979 0.1932 0.0301
0.85 78 -0.0009 0.215 0.03
0.85 90 -0.1112 0.2023 0.0301
0.85 102 0.2216 0.173 0.0303
0.85 114 -0.2556 0.2036 0.0304
0.85 174 -0.3334 0.2478 0.0307
0.85 186 0.0281 0.174 0.03
0.85 198 0.0679 0.1689 0.03
0.85 210 -0.1971 0.1761 0.0303
0.85 222 0.3318 0.1596 0.0307
0.85 234 -0.1995 0.1859 0.0303
0.85 246 -0.1074 0.2488 0.0301
0.85 258 0.4985 0.2471 0.0316
0.95 174 -0.0064 0.247 0.03
0.95 186 0.038 0.2285 0.03
0.95 198 0.2614 0.2287 0.0305
0.95 210 -0.1375 0.2426 0.0301
0.95 222 0.1815 0.2075 0.0302
0.95 234 -0.1274 0.1998 0.0301
0.95 246 0.0613 0.2344 0.03