Observation of the Xi(c)+ charmed baryon decays to Sigma+ K- pi+, Sigma+ anti-K*0, and Lambda K- pi+ pi+

Bergfeld, T.; Eisenstein, Bob I.; Ernst, J.; Gladding, G.E.; Gollin, G.D.; Palmer, M.; Selen, M.; Thaler, J.J.; Edwards, K.W.; McLean, K.W.

doi:10.1016/0370-2693(95)01432-2

Observation of the Xi(c)+ charmed baryon decays to Sigma+ K- pi+, Sigma+ anti-K*0, and Lambda K- pi+ pi+

CLEO

Collaboration

Jul, 1995

12 pages

Published in:

Phys.Lett.B 365 (1996) 431-436

e-Print:

hep-ex/9508006 [hep-ex]

DOI:

10.1016/0370-2693(95)01432-2

PDG:

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

\rightarrow

{{\mathit \Lambda}}{{\mathit K}^{-}}

2

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

Report number:

CLNS-95-1349,
CLEO-95-12

Experiments:

CESR-CLEO-II

View in:

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Abstract:

We have observed two new decay modes of the charmed baryon

\Xi_c~+

into

\Sigma~+ K~-\pi~+

and

\Sigma~+ \bar{K}~{*0}

using data collected with the CLEO II detector. We also present the first measurement of the branching fraction for the previously observed decay mode

\Xi_c~+\to\Lambda K~-\pi~+\pi~+

. The branching fractions for these three modes relative to

\Xi_c~+\to\Xi~-\pi~+\pi~+

are measured to be

1.18 \pm 0.26 \pm 0.17

,

0.92 \pm 0.27 \pm 0.14

, and

0.58 \pm 0.16 \pm 0.07

, respectively.

Note:

12 page uuencoded postscript file, postscript file also available through <a href="http://w4.lns.cornell.edu/public/CLNS">this http URL</a> Report-no: CLNS 95/1349, CLEO 95-12

13.30.Eg
14.20.Lq
electron positron: colliding beams
colliding beams: electron positron
electron positron: annihilation
annihilation: electron positron
Xi/c+: electroproduction
electroproduction: Xi/c+
Xi/c+: hadronic decay
hadronic decay: Xi/c+