CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M2838

You are not logged in.

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 : 0.0496 GeV2
W : 1505 GeV
ε : 0.7046
Ebeam : 1.3383 GeV
εL: 0.0598 

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
0.45 30 -0.3836 0.4101 0.031
0.45 42 0.0259 0.4038 0.03
0.55 138 0.2705 0.3634 0.0305
0.55 150 -0.2395 0.4035 0.0304
0.55 222 0.0665 0.3091 0.03
0.55 234 0.2776 0.2628 0.0305
0.55 246 -0.0612 0.2878 0.03
0.65 126 0.1681 0.3156 0.0302
0.65 138 0.6195 0.2187 0.0325
0.65 150 -0.3732 0.3603 0.0309
0.65 198 -0.1346 0.2976 0.0301
0.65 210 -0.5787 0.298 0.0322
0.65 222 0.165 0.2538 0.0302
0.65 234 -0.0187 0.2927 0.03
0.65 246 0.1264 0.2848 0.0301
0.75 138 0.6073 0.2502 0.0324
0.75 150 -0.0044 0.2974 0.03
0.75 162 0.1339 0.3566 0.0301
0.75 210 0.4954 0.2589 0.0316
0.75 222 -0.1683 0.3415 0.0302
0.75 234 0.0046 0.3051 0.03
0.75 246 -0.0271 0.2911 0.03
0.75 258 -0.2493 0.2856 0.0304
0.85 210 0.4648 0.2841 0.0314
0.85 222 -0.1955 0.2938 0.0303
0.85 234 -0.3286 0.2534 0.0307
0.85 246 -0.0113 0.3378 0.03
0.85 258 0.3543 0.3354 0.0308
0.95 126 0.1682 0.3629 0.0302
0.95 246 0.4733 0.2511 0.0315
0.35 42 -0.0548 0.2668 0.03
0.45 246 0.2942 0.2699 0.0306
0.55 138 -0.347 0.2499 0.0308
0.55 150 0.2753 0.2385 0.0305
0.55 162 -0.2177 0.2535 0.0303
0.55 210 -0.0673 0.2549 0.03
0.55 234 0.0457 0.2208 0.03
0.55 246 0.0941 0.2442 0.0301
0.65 126 -0.0541 0.2588 0.03
0.65 138 -0.001 0.1983 0.03
0.65 150 -0.233 0.2109 0.0304
0.65 162 0.2261 0.2402 0.0303
0.65 210 -0.158 0.2076 0.0302
0.65 222 -0.003 0.2049 0.03
0.65 234 0.0734 0.215 0.03
0.65 246 -0.2822 0.2311 0.0305
0.65 258 0.0217 0.2867 0.03
0.75 126 -0.0448 0.2056 0.03
0.75 138 -0.0515 0.2125 0.03
0.75 150 0.0705 0.2303 0.03
0.75 162 0.1951 0.2412 0.0303
0.75 222 -0.0934 0.2424 0.0301
0.75 234 0.1685 0.2122 0.0302
0.75 246 -0.2479 0.191 0.0304
0.75 258 0.1944 0.2428 0.0303
0.85 126 0.1163 0.254 0.0301
0.85 138 -0.1694 0.2486 0.0302
0.85 222 0.0556 0.2535 0.03
0.85 234 -0.2245 0.2252 0.0303
0.85 246 0.1975 0.1893 0.0303
0.85 258 0.1054 0.2528 0.0301
0.95 138 0.0736 0.2794 0.03
0.95 234 0.1821 0.2713 0.0302
0.95 246 0.2197 0.2542 0.0303