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Measurement E151M3559

Experiment: EG4
Year: 2016

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).
Spokesperson: Xiaochao Zheng
Reaction: ep → π+n
Polarization: beam (longitudinal), target (longitudinal)
Quantity: ALU
εL: 0.1937
Q2: 0.2915 GeV2
W: 1655.0 GeV
Ebeam: 2.999 GeV
ε: 0.8724

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.35 270.0 0.2841 0.2426 0.0305
0.45 102.0 0.2481 0.2119 0.0304
0.45 270.0 -0.1603 0.2417 0.0302
0.45 282.0 -0.1496 0.2559 0.0301
0.55 90.0 0.3162 0.237 0.0307
0.55 102.0 0.004 0.255 0.03
0.55 114.0 -0.0262 0.2256 0.03
0.55 126.0 0.2204 0.2623 0.0303
0.65 90.0 -0.2498 0.2284 0.0304
0.65 102.0 0.0753 0.2431 0.03
0.65 114.0 -0.0384 0.2153 0.03
0.65 126.0 -0.2442 0.2111 0.0304
0.65 198.0 -0.4011 0.2324 0.0311
0.65 210.0 -0.4504 0.262 0.0313
0.65 222.0 0.1687 0.2556 0.0302
0.65 234.0 -0.2033 0.243 0.0303
0.65 294.0 -0.1977 0.2064 0.0303
0.65 306.0 -0.1607 0.2533 0.0302
0.75 66.0 -0.0707 0.2723 0.03
0.75 78.0 0.3624 0.2082 0.0309
0.75 102.0 0.1996 0.2213 0.0303
0.75 114.0 0.1316 0.1943 0.0301
0.75 126.0 0.2426 0.2802 0.0304
0.75 138.0 -0.043 0.2757 0.03
0.75 198.0 -0.3881 0.2322 0.031
0.75 210.0 -0.0672 0.2208 0.03
0.75 222.0 -0.135 0.2269 0.0301
0.75 234.0 -0.1434 0.2312 0.0301
0.75 246.0 0.1538 0.2512 0.0302
0.75 258.0 -0.022 0.2684 0.03
0.75 282.0 0.0058 0.2739 0.03
0.75 294.0 -0.051 0.2547 0.03
0.85 66.0 0.1652 0.2154 0.0302
0.85 78.0 -0.2078 0.1697 0.0303
0.85 90.0 -0.008 0.1794 0.03
0.85 102.0 -0.1417 0.2533 0.0301
0.85 114.0 -0.0174 0.2858 0.03
0.85 186.0 0.2001 0.266 0.0303
0.85 198.0 -0.1303 0.1962 0.0301
0.85 210.0 0.2683 0.1744 0.0305
0.85 222.0 -0.0431 0.2066 0.03
0.85 234.0 0.0571 0.185 0.03
0.85 246.0 -0.0116 0.1581 0.03
0.85 258.0 0.3348 0.1803 0.0307
0.85 270.0 0.2843 0.2555 0.0305
0.95 78.0 0.5021 0.2395 0.0316
0.95 90.0 -0.1573 0.2492 0.0302
0.95 186.0 -0.2312 0.2606 0.0304
0.95 198.0 -0.351 0.2402 0.0308
0.95 210.0 -0.3825 0.2314 0.031
0.95 222.0 -0.4217 0.2118 0.0312
0.95 234.0 -0.0007 0.2303 0.03
0.95 246.0 -0.0122 0.1859 0.03
0.95 258.0 0.0158 0.2017 0.03
0.95 270.0 -0.1875 0.1952 0.0302
0.95 282.0 0.0342 0.2289 0.03
0.95 294.0 -0.3202 0.2209 0.0307
Created in SINP MSU, CLAS Collaboration