CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M3399

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 : 0.4155 GeV2
W : 1235 GeV
ε : 0.9514
Ebeam : 2.999 GeV
εL: 1.2383 

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
0.35 282 0.2816 0.2237 0.0305
0.35 294 0.33 0.2052 0.0307
0.45 282 -0.1701 0.2109 0.0302
0.55 270 0.1385 0.2337 0.0301
0.55 282 0.135 0.2164 0.0301
0.55 294 -0.3958 0.197 0.031
0.65 78 -0.1328 0.2316 0.0301
0.65 90 0.4629 0.2179 0.0314
0.65 270 -0.139 0.2396 0.0301
0.65 282 0.0731 0.2113 0.03
0.65 294 -0.0755 0.2154 0.03
0.65 306 -0.1327 0.2282 0.0301
0.75 66 0.09 0.2175 0.0301
0.75 78 0.0749 0.201 0.03
0.75 90 0.2468 0.2471 0.0304
0.75 102 0.4318 0.2352 0.0312
0.75 258 0.0701 0.2473 0.03
0.75 270 -0.3941 0.2153 0.031
0.75 282 0.108 0.1952 0.0301
0.75 294 -0.244 0.2194 0.0304
0.75 306 -0.0789 0.2368 0.03
0.85 54 -0.3604 0.2382 0.0309
0.85 66 0.1894 0.2383 0.0302
0.85 78 -0.0611 0.1996 0.03
0.85 90 -0.0578 0.1997 0.03
0.85 102 -0.2891 0.2029 0.0306
0.85 270 -0.0652 0.243 0.03
0.85 294 -0.0769 0.2547 0.03
0.85 306 0.5009 0.1838 0.0316
0.85 318 -0.0872 0.2885 0.0301
0.95 54 0.054 0.2663 0.03
0.95 66 -0.0076 0.2633 0.03
0.95 90 0.3621 0.2579 0.0309
0.95 270 0.0183 0.2694 0.03