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Measurement E151M2782

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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 : 0.0593 GeV2
W : 1415 GeV
ε : 0.804
Ebeam : 1.3383 GeV
εL: 0.1203 

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 -0.3322 0.2222 0.0307
0.55 138 0.0847 0.2654 0.03
0.55 222 -0.205 0.2625 0.0303
0.55 234 0.0547 0.2665 0.03
0.55 246 -0.4367 0.2551 0.0312
0.55 258 0.3773 0.2209 0.0309
0.65 126 -0.0539 0.2013 0.03
0.65 138 0.2774 0.2019 0.0305
0.65 150 0.2358 0.2073 0.0304
0.65 210 -0.2878 0.2507 0.0305
0.65 222 -0.041 0.207 0.03
0.65 234 -0.5452 0.1797 0.0319
0.65 246 0.1673 0.199 0.0302
0.65 258 0.0168 0.1942 0.03
0.75 114 -0.8076 0.2059 0.0341
0.75 126 -0.0673 0.2074 0.03
0.75 138 -0.2588 0.2141 0.0304
0.75 150 -0.1634 0.265 0.0302
0.75 162 0.4059 0.236 0.0311
0.75 222 -0.4228 0.2045 0.0312
0.75 234 -0.0507 0.1902 0.03
0.75 246 -0.1062 0.1745 0.0301
0.75 258 -0.1398 0.1819 0.0301
0.85 114 0.1925 0.2432 0.0302
0.85 126 -0.0457 0.2192 0.03
0.85 138 0.1522 0.2684 0.0302
0.85 150 -0.4415 0.2414 0.0313
0.85 162 0.1895 0.2824 0.0302
0.85 222 -0.3107 0.2075 0.0306
0.85 234 -0.3199 0.1646 0.0307
0.85 246 -0.0687 0.1805 0.03
0.85 258 -0.1948 0.1914 0.0303
0.85 270 -0.0365 0.2006 0.03
0.95 126 0.6378 0.2082 0.0326
0.95 222 0.2465 0.26 0.0304
0.95 234 -0.0886 0.2665 0.0301
0.95 246 0.2497 0.2161 0.0304
0.95 258 -0.2648 0.1969 0.0305
0.95 270 -0.0038 0.2607 0.03
0.15 42 -0.5792 0.2445 0.0322
0.55 222 0.3839 0.2826 0.031
0.55 234 0.3063 0.3133 0.0306
0.55 258 0.0451 0.3957 0.03
0.65 114 -0.0343 0.4164 0.03
0.65 126 -0.3123 0.2946 0.0306
0.65 138 0.2428 0.321 0.0304
0.65 222 -0.083 0.3255 0.03
0.65 234 0.3459 0.2666 0.0308
0.65 246 -0.1964 0.2659 0.0303
0.65 258 0.3253 0.2596 0.0307
0.75 114 -0.1453 0.345 0.0301
0.75 126 0.1394 0.2812 0.0301
0.75 138 -0.4393 0.2645 0.0313
0.75 150 -0.6254 0.2397 0.0325
0.75 162 0.2146 0.3913 0.0303
0.75 210 -0.0019 0.3673 0.03
0.75 222 0.2573 0.2806 0.0304
0.75 234 -0.13 0.314 0.0301
0.75 246 -0.54 0.2121 0.0319
0.75 258 -0.1178 0.2828 0.0301
0.75 270 0.2213 0.3184 0.0303
0.85 126 0.014 0.3425 0.03
0.85 138 0.0265 0.3266 0.03
0.85 150 -0.7288 0.1877 0.0334
0.85 222 -0.2781 0.3001 0.0305
0.85 234 -0.1277 0.2874 0.0301
0.85 246 0.1067 0.2515 0.0301
0.85 258 -0.1326 0.3538 0.0301
0.85 270 -0.6319 0.2119 0.0326
0.95 102 -0.1708 0.2903 0.0302
0.95 114 0.6056 0.2531 0.0324
0.95 222 0.4772 0.2864 0.0315
0.95 234 -0.2638 0.3555 0.0305
0.95 258 -0.0334 0.298 0.03
0.95 270 0.338 0.3268 0.0308