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Measurement E151M2635

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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 : 0.0291 GeV2
W : 1475 GeV
ε : 0.5771
Ebeam : 1.0539 GeV
εL: 0.0338 

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 42 0.3201 0.2002 0.0307
0.25 54 0.1054 0.2 0.0301
0.35 42 0.2105 0.2091 0.0303
0.35 54 0.0125 0.1863 0.03
0.35 66 -0.2025 0.225 0.0303
0.45 30 -0.0961 0.2499 0.0301
0.45 42 0.017 0.226 0.03
0.45 54 0.2889 0.1925 0.0306
0.45 66 0.3216 0.1741 0.0307
0.45 222 0.2585 0.2404 0.0304
0.45 234 -0.0848 0.1812 0.03
0.45 246 -0.2745 0.1941 0.0305
0.55 42 0.4182 0.1844 0.0311
0.55 54 -0.2555 0.2039 0.0304
0.55 66 0.268 0.2497 0.0305
0.55 174 -0.0707 0.2298 0.03
0.55 210 -0.2036 0.2244 0.0303
0.55 222 -0.3706 0.2212 0.0309
0.55 234 -0.0636 0.1781 0.03
0.55 246 -0.3617 0.1778 0.0309
0.55 258 -0.1895 0.1805 0.0302
0.65 150 0.0947 0.2186 0.0301
0.65 162 0.2723 0.2549 0.0305
0.65 174 0.2851 0.2412 0.0305
0.65 186 0.0431 0.2402 0.03
0.65 222 -0.1193 0.2228 0.0301
0.65 234 -0.1789 0.1735 0.0302
0.65 246 -0.2708 0.1635 0.0305
0.65 258 -0.2025 0.1548 0.0303
0.75 150 -0.1484 0.2361 0.0301
0.75 162 -0.0453 0.2515 0.03
0.75 174 0.0661 0.2489 0.03
0.75 186 0.0441 0.242 0.03
0.75 222 -0.0921 0.208 0.0301
0.75 234 -0.0195 0.1646 0.03
0.75 246 -0.1968 0.1602 0.0303
0.75 258 -0.1738 0.1726 0.0302
0.85 222 -0.1292 0.2448 0.0301
0.85 234 -0.0897 0.1767 0.0301
0.85 246 0.2583 0.1708 0.0304
0.85 258 -0.3886 0.1618 0.031
0.85 270 -0.0519 0.2267 0.03