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Measurement E151M3355

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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 : 0.0707 GeV2
W : 1655 GeV
ε : 0.8306
Ebeam : 2.2596 GeV
εL: 0.0556 

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
0.45 270 -0.0959 0.1654 0.0301
0.55 126 -0.1977 0.258 0.0303
0.55 258 -0.0771 0.262 0.03
0.55 270 -0.0061 0.2551 0.03
0.55 282 -0.302 0.2323 0.0306
0.65 222 -0.2426 0.2239 0.0304
0.65 294 -0.153 0.2198 0.0302
0.75 66 -0.1201 0.2618 0.0301
0.75 210 -0.1584 0.2498 0.0302
0.75 222 -0.4738 0.1867 0.0315
0.75 270 0.3276 0.2153 0.0307
0.75 282 0.0299 0.2021 0.03
0.85 102 0.4124 0.2316 0.0311
0.85 114 -0.1679 0.2099 0.0302
0.85 126 0.0348 0.2656 0.03
0.85 210 -0.2094 0.2207 0.0303
0.85 222 0.0585 0.2111 0.03
0.45 282 0.0227 0.2515 0.03
0.55 126 -0.4876 0.2115 0.0315
0.55 222 -0.0048 0.252 0.03
0.55 234 0.0118 0.2642 0.03
0.55 258 0.0814 0.2406 0.03
0.55 270 -0.1645 0.2364 0.0302
0.65 126 -0.1853 0.2231 0.0302
0.65 138 -0.0555 0.2533 0.03
0.75 210 -0.1876 0.2318 0.0302
0.75 222 0.5038 0.2087 0.0316
0.75 234 -0.0681 0.211 0.03
0.75 282 -0.1934 0.2057 0.0302
0.75 294 -0.4833 0.2092 0.0315
0.85 102 0.0978 0.2037 0.0301
0.85 114 -0.1441 0.2028 0.0301
0.85 126 -0.0839 0.2339 0.03
0.85 198 -0.1807 0.2469 0.0302
0.85 210 -0.3078 0.1792 0.0306
0.85 222 -0.0762 0.2079 0.03
0.85 246 -0.0876 0.2816 0.0301