CLAS Physics Database

Your browser does not support JavaScript or JavaScript is turned off in your browser. It is strongly recommended to turn JavaScript on in order to view this page. Some features may not work if JavaScript is turned off.

Measurement E195M4

You are not logged in.

Experiment: CLAS12 RG-K, 2022

Spokespersons: Daniel S. Carman

Measurement comment: P′_x vs. cos(θ_K^c.m.) (integrated over Q², W)
Coordinate system:
(x,y,z), z along virtual photon direction, y normal to electron scattering plane, x=y x z

Publication:

D. S. Carman et al. (CLAS Collaboration) Beam-recoil transferred polarization in K + Y electroproduction in the nucleon resonance region with CLAS12 // https://journals.aps.org/prc/abstract/10.1103/PhysRevC.105.065201

Quantity measured: P′_x,
x projection of beam-recoil transferred polarization P′ in (x,y,z) system
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: K⁺ Λ, polarization: polarized

Q² :	0.3 — 3.5 GeV²
W :	1.6 — 2.4 GeV
E_beam :	6.535 GeV

Observable quantity measured (Y axis): P′_x,
Plot measurement data

Parameter (X axis): cos(θ_K^c.m.),

Click here to get data in text file, delimited with tabs.

Measured data:

cos(θ_K^c.m.)	P′_x	Data errors	Systematic errors
-0.96	-0.05571	0.07711	0.02984
-0.88	-0.03357	0.02473	0.02478
-0.8	-0.05365	0.01921	0.02141
-0.72	0.01448	0.01831	0.01978
-0.64	-0.05499	0.01853	0.01985
-0.56	0.00902	0.01889	0.01985
-0.48	0.00073	0.01934	0.01999
-0.4	-0.04669	0.01942	0.02063
-0.32	-0.02963	0.01962	0.02099
-0.24	-0.04091	0.01936	0.02134
-0.16	-0.06278	0.019	0.02097
-0.08	-0.04141	0.01848	0.02097
0	-0.04412	0.01797	0.02044
0.08	-0.02584	0.0173	0.0192
0.16	-0.00765	0.01664	0.01857
0.24	0.01771	0.01604	0.01799
0.32	-0.00921	0.01529	0.01695
0.4	0.00718	0.01432	0.01593
0.48	-0.03017	0.01346	0.01517
0.56	0.01561	0.01284	0.01492
0.64	-0.00047	0.01235	0.01469
0.72	0.00311	0.01216	0.01487
0.8	0.00674	0.01266	0.01494
0.88	0.0457	0.0147	0.01534
0.96	0.0963	0.01904	0.01661