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Measurement E151M2603

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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 : 1415 GeV
ε : 0.6408
Ebeam : 1.0539 GeV
εL: 0.1123 

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 -0.2354 0.2442 0.0304
0.35 30 -0.3119 0.2334 0.0306
0.35 42 -0.4464 0.2102 0.0313
0.35 54 0.465 0.2074 0.0314
0.45 42 -0.1318 0.2089 0.0301
0.45 246 -0.5389 0.2277 0.0319
0.55 234 0.1005 0.2007 0.0301
0.55 246 0.108 0.1966 0.0301
0.55 258 -0.093 0.2202 0.0301
0.65 150 0.3279 0.2182 0.0307
0.65 210 0.3143 0.2319 0.0307
0.65 222 0.1101 0.2102 0.0301
0.65 234 -0.0705 0.1608 0.03
0.65 246 -0.04 0.1692 0.03
0.65 258 0.1673 0.1834 0.0302
0.65 270 0.0018 0.2441 0.03
0.75 126 0.2594 0.2233 0.0304
0.75 138 -0.0805 0.2039 0.03
0.75 150 -0.0041 0.2285 0.03
0.75 162 0.2992 0.2161 0.0306
0.75 174 -0.1741 0.2444 0.0302
0.75 222 0.1469 0.2425 0.0301
0.75 234 0.2954 0.1841 0.0306
0.75 246 0.1028 0.173 0.0301
0.75 258 0.3202 0.142 0.0307
0.75 270 0.0152 0.2113 0.03
0.85 150 -0.0245 0.2538 0.03
0.85 234 0.2288 0.1877 0.0303
0.85 246 -0.1848 0.1618 0.0302
0.85 258 -0.2061 0.1499 0.0303
0.85 270 -0.2881 0.1799 0.0305
0.95 150 -0.207 0.2452 0.0303
0.95 246 0.0258 0.2386 0.03
0.95 258 -0.0597 0.2285 0.03
0.95 270 0.1624 0.2335 0.0302