Sum rule for the partial decay rates of bottom hadrons based on the dynamical supersymmetry of the s¯ quark and the ud diquark - INSPIRE

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Sum rule for the partial decay rates of bottom hadrons based on the dynamical supersymmetry of the s¯ quark and the ud diquark

Taiju Amano
(
- Tokyo Metropolitan U. and
- Tokyo Inst. Tech.
)
,
Daisuke Jido
(
- Tokyo Metropolitan U. and
- Tokyo Inst. Tech.
)
,
Stefan Leupold
(
- Uppsala U.
)

Dec 6, 2021

5 pages

Published in:

Phys.Rev.D 105 (2022) 5, L051504

Published: Mar 1, 2022

e-Print:

2112.03409 [hep-ph]

DOI:

10.1103/PhysRevD.105.L051504 (publication)

View in:

ADS Abstract Service

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Abstract: (APS)

We investigate the weak decays of

{\bar{B}}_{s}^{0}

and

Λ_{b}

to charm hadrons based on the dynamical supersymmetry between the

\bar{s}

quark and the

u d

diquark. We derive a new sum rule relating the decay rates of the processes

{\bar{B}}_{s}^{0} \to D_{s}^{+} P^{-}

,

{\bar{B}}_{s}^{0} \to D_{s}^{* +} P^{-}

, and

Λ_{b} \to Λ_{c} P^{-}

, where

P^{-}

is a negatively charged meson, such as

π^{-}

and

K^{-}

. It is found that the observed decay rates satisfy the sum rule very well. This implies that the supersymmetry between the

\bar{s}

quark and the

u d

diquark is also seen in the wave functions of the heavy hadrons and suggests that the

u d

diquark can be regarded as a valid effective constituent for heavy hadrons.

Note:

5 pages, 1 figure, 1 table

anti-B/s0: hadronic decay
anti-B/s0: decay rate
Lambda/b0: hadronic decay
Lambda/b0: decay rate
decay: weak interaction
sum rule
diquark
strangeness
supersymmetry
anti-B/s0 --> D/s+ pi-

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