CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M2591

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 : 0.0084 GeV2
W : 1415 GeV
ε : 0.7185
Ebeam : 1.0539 GeV
εL: 0.0168 

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 30 -0.0801 0.2437 0.03
0.35 42 0.1645 0.2278 0.0302
0.35 54 -0.0847 0.232 0.03
0.45 30 0.0783 0.2538 0.03
0.45 42 -0.0702 0.1735 0.03
0.45 54 -0.548 0.1695 0.0319
0.45 222 -0.2457 0.23 0.0304
0.45 234 -0.3006 0.2229 0.0306
0.55 18 -0.0924 0.2292 0.0301
0.55 30 -0.0943 0.2136 0.0301
0.55 42 -0.0629 0.161 0.03
0.55 54 -0.2617 0.1574 0.0305
0.55 150 -0.5753 0.2177 0.0321
0.55 162 -0.134 0.2235 0.0301
0.55 174 0.3158 0.2543 0.0307
0.55 222 0.3361 0.2071 0.0307
0.55 234 -0.048 0.1956 0.03
0.55 246 0.1595 0.211 0.0302
0.65 42 -0.0527 0.2178 0.03
0.65 54 -0.334 0.2144 0.0307
0.65 150 -0.1193 0.2128 0.0301
0.65 162 -0.3383 0.1979 0.0308
0.65 210 -0.068 0.2329 0.03
0.65 222 0.0136 0.178 0.03
0.65 234 -0.0779 0.1733 0.03
0.65 246 0.3152 0.1755 0.0307
0.75 222 0.2473 0.1854 0.0304
0.75 234 0.4965 0.198 0.0316
0.75 246 -0.1463 0.2174 0.0301
0.75 258 0.2367 0.2646 0.0304
0.85 210 -0.0353 0.2371 0.03
0.85 222 0.0901 0.2128 0.0301
0.85 234 0.052 0.1866 0.03
0.85 246 0.3046 0.2089 0.0306