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Measurement E151M2768

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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 : 0.1435 GeV2
W : 1385 GeV
ε : 0.7718
Ebeam : 1.3383 GeV
εL: 0.2795 

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
0.65 126 0.0221 0.3517 0.03
0.65 234 0.3138 0.2794 0.0306
0.65 246 0.3421 0.3088 0.0308
0.65 258 0.0197 0.3378 0.03
0.75 102 -0.3731 0.3245 0.0309
0.75 114 -0.2611 0.3211 0.0305
0.75 126 0.1234 0.2749 0.0301
0.75 138 0.1073 0.3856 0.0301
0.75 222 -0.2512 0.3715 0.0304
0.75 234 0.2872 0.3287 0.0305
0.75 246 -0.2645 0.311 0.0305
0.75 258 -0.0459 0.2819 0.03
0.75 270 -0.0966 0.3264 0.0301
0.75 282 0.0248 0.3845 0.03
0.85 114 0.0253 0.2894 0.03
0.85 126 0.3641 0.2947 0.0309
0.85 138 -0.0415 0.3628 0.03
0.85 150 -0.1534 0.3282 0.0302
0.85 162 -0.1955 0.3869 0.0303
0.85 222 -0.5554 0.3428 0.032
0.85 234 0.6687 0.2632 0.0328
0.85 258 -0.4333 0.2766 0.0312
0.85 270 -0.3759 0.2722 0.0309
0.85 282 -0.4215 0.2956 0.0312
0.85 294 -0.1678 0.4028 0.0302
0.95 66 -0.4093 0.4251 0.0311
0.95 78 0.2684 0.2919 0.0305
0.95 90 -0.3566 0.3854 0.0308
0.95 102 -0.5939 0.3666 0.0323
0.95 246 0.5178 0.2977 0.0317
0.95 270 -0.0632 0.3492 0.03
0.95 282 0.4121 0.2722 0.0311
0.55 234 0.2749 0.2633 0.0305
0.55 246 -0.2458 0.2715 0.0304
0.65 114 0.2778 0.2747 0.0305
0.65 126 0.0277 0.2201 0.03
0.65 138 -0.276 0.2719 0.0305
0.65 258 -0.0869 0.2508 0.0301
0.65 270 0.0711 0.2642 0.03
0.75 114 -0.087 0.2387 0.0301
0.75 126 -0.2886 0.22 0.0306
0.75 138 -0.2257 0.2434 0.0303
0.75 222 0.1642 0.2591 0.0302
0.75 234 -0.1068 0.2407 0.0301
0.75 246 0.3227 0.187 0.0307
0.75 258 0.0757 0.2005 0.03
0.75 270 -0.2099 0.2107 0.0303
0.85 114 0.1568 0.1809 0.0302
0.85 126 -0.0157 0.1996 0.03
0.85 138 0.3587 0.256 0.0308
0.85 150 0.3424 0.2491 0.0308
0.85 222 0.0665 0.2226 0.03
0.85 234 -0.1859 0.2883 0.0302
0.85 246 -0.4377 0.2349 0.0313
0.85 258 0.0231 0.2228 0.03
0.85 270 0.1579 0.2001 0.0302
0.85 282 -0.172 0.2165 0.0302
0.85 294 -0.1745 0.2685 0.0302
0.95 66 -0.1608 0.2654 0.0302
0.95 78 -0.0049 0.2578 0.03
0.95 90 0.1491 0.2195 0.0301
0.95 150 0.652 0.2349 0.0327
0.95 234 0.4996 0.249 0.0316
0.95 258 0.0515 0.2798 0.03
0.95 270 -0.2457 0.2398 0.0304
0.95 282 0.1828 0.1939 0.0302
0.95 294 0.1082 0.2563 0.0301