Searching for the bottom counterparts of $X(3872) $ and Y(4260) via $\pi^{+} \pi^{-} \upsilon$ - INSPIRE

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Searching for the bottom counterparts of $X(3872)$ and Y(4260) via $\pi^{+} \pi^{-} \upsilon$

Wei-Shu Hou
(
- Taiwan, Natl. Taiwan U.
)

Jun, 2006

3 pages

Published in:

Phys.Rev.D 74 (2006) 017504

e-Print:

hep-ph/0606016 [hep-ph]

DOI:

10.1103/PhysRevD.74.017504

View in:

ADS Abstract Service

reference search68 citations

Citations per year

Abstract: (arXiv)

The X(3872) and Y(4260), among a host of charmonium-like mesons, have rather unusual properties: the former has very small total width, the latter has large rate into

\pi^+\pi^-J/\psi

channel. It would not be easy to settle between the many suggested explanations for their composition. We point out that discovering the bottom counterparts should shed much light on the issue. The narrow state can be searched for at the Tevatron via

p\bar p \to \pi^+\pi^-\Upsilon + X

, but the LHC should be much more promising. The state with large overlap with

\Upsilon

can be searched for at B factories via radiative return

e^+e^- \to \gamma_{\rm ISR} + \pi^+\pi^-\Upsilon

on

\Upsilon(5S)

, or by

e^+e^- \to \pi^+\pi^-\Upsilon

direct scan.

14.40.Gx
12.39.Mk
anti-p p: annihilation
electron positron: annihilation
pi: pair production
Upsilon(10870): associated production
J/psi(3100): associated production
X(3872): hadronic decay
X(3872): width
cross section

References(27)

Figures(0)

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