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Measurement E151M3559

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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 : 0.2915 GeV2
W : 1655 GeV
ε : 0.8724
Ebeam : 2.999 GeV
εL: 0.1937 

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
0.35 270 0.2841 0.2426 0.0305
0.45 102 0.2481 0.2119 0.0304
0.45 270 -0.1603 0.2417 0.0302
0.45 282 -0.1496 0.2559 0.0301
0.55 90 0.3162 0.237 0.0307
0.55 102 0.004 0.255 0.03
0.55 114 -0.0262 0.2256 0.03
0.55 126 0.2204 0.2623 0.0303
0.65 90 -0.2498 0.2284 0.0304
0.65 102 0.0753 0.2431 0.03
0.65 114 -0.0384 0.2153 0.03
0.65 126 -0.2442 0.2111 0.0304
0.65 198 -0.4011 0.2324 0.0311
0.65 210 -0.4504 0.262 0.0313
0.65 222 0.1687 0.2556 0.0302
0.65 234 -0.2033 0.243 0.0303
0.65 294 -0.1977 0.2064 0.0303
0.65 306 -0.1607 0.2533 0.0302
0.75 66 -0.0707 0.2723 0.03
0.75 78 0.3624 0.2082 0.0309
0.75 102 0.1996 0.2213 0.0303
0.75 114 0.1316 0.1943 0.0301
0.75 126 0.2426 0.2802 0.0304
0.75 138 -0.043 0.2757 0.03
0.75 198 -0.3881 0.2322 0.031
0.75 210 -0.0672 0.2208 0.03
0.75 222 -0.135 0.2269 0.0301
0.75 234 -0.1434 0.2312 0.0301
0.75 246 0.1538 0.2512 0.0302
0.75 258 -0.022 0.2684 0.03
0.75 282 0.0058 0.2739 0.03
0.75 294 -0.051 0.2547 0.03
0.85 66 0.1652 0.2154 0.0302
0.85 78 -0.2078 0.1697 0.0303
0.85 90 -0.008 0.1794 0.03
0.85 102 -0.1417 0.2533 0.0301
0.85 114 -0.0174 0.2858 0.03
0.85 186 0.2001 0.266 0.0303
0.85 198 -0.1303 0.1962 0.0301
0.85 210 0.2683 0.1744 0.0305
0.85 222 -0.0431 0.2066 0.03
0.85 234 0.0571 0.185 0.03
0.85 246 -0.0116 0.1581 0.03
0.85 258 0.3348 0.1803 0.0307
0.85 270 0.2843 0.2555 0.0305
0.95 78 0.5021 0.2395 0.0316
0.95 90 -0.1573 0.2492 0.0302
0.95 186 -0.2312 0.2606 0.0304
0.95 198 -0.351 0.2402 0.0308
0.95 210 -0.3825 0.2314 0.031
0.95 222 -0.4217 0.2118 0.0312
0.95 234 -0.0007 0.2303 0.03
0.95 246 -0.0122 0.1859 0.03
0.95 258 0.0158 0.2017 0.03
0.95 270 -0.1875 0.1952 0.0302
0.95 282 0.0342 0.2289 0.03
0.95 294 -0.3202 0.2209 0.0307