Measurement of the decay asymmetry parameters in Lambda(c)+ ---> Lambda pi+ and Lambda(c)+ ---> Sigma+ pi0 - INSPIRE

DataBETA

Measurement of the decay asymmetry parameters in Lambda(c)+ ---> Lambda pi+ and Lambda(c)+ ---> Sigma+ pi0

CLEO

Collaboration

Feb, 1995

11 pages

Published in:

Phys.Lett.B 350 (1995) 256-262

e-Print:

hep-ex/9502004 [hep-ex]

DOI:

10.1016/0370-2693(95)00280-X

PDG:

\alpha

{{\mathit \Lambda}_{{{c}}}^{+}}

\rightarrow

{{\mathit \Lambda}}{{\mathit \pi}^{+}}

Report number:

CLNS-95-1319,
CLEO-95-1

Experiments:

CESR-CLEO

View in:

ADS Abstract Service

reference search33 citations

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Abstract:

We have measured the weak decay asymmetry parameters (\aLC ) for two \LC\ decay modes. Our measurements are \aLC = -0.94~{+0.21+0.12}_{-0.06-0.06} for the decay mode

\Lambda_c~+ \rightarrow \Lambda\pi~+

and \aLC = -0.45\pm 0.31 \pm 0.06 for the decay mode

\Lambda_c \rightarrow \Sigma~+\pi~0

. By combining these measurements with the previously measured decay rates, we have extracted the parity-violating and parity-conserving amplitudes. These amplitudes are used to test models of nonleptonic charmed baryon decay.

Note:

11 pages including the figures. Uses REVTEX and psfig macros. Figures as uuencoded postscript. Also available as http://w4.lns.cornell.edu/public/CLNS/1995/CLNS95-1319.ps Report-no: CLNS 95/1319, CLEO 95-1

electron positron: colliding beams
colliding beams: electron positron
electron positron: annihilation
annihilation: electron positron
decay: asymmetry
asymmetry: decay
amplitude analysis: parity
parity: amplitude analysis
helicity: angular distribution
angular distribution: helicity

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