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26 April 2024 |
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Article overview
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Formation spectra of charmed meson--nucleus systems using an antiproton beam | | J. Yamagata-Sekihara
; C. Garcia-Recio
; J. Nieves
; L.L. Salcedo
; L. Tolos
; | | Date: |
10 Dec 2015 | | Abstract: | We investigate the structure and formation of charmed meson--nucleus systems,
with the aim of understanding the charmed meson--nucleon interactions and the
properties of the charmed mesons in the nuclear medium. The $ar{D}$ mesic
nuclei are of special interest, since they have tiny decay widths due to the
absence of strong decays for the $ar{D} N$ pair. Employing an effective model
for the $ar{D} N$ and $D N$ interactions and solving the Klein--Gordon
equation for $ar{D}$ and $D$ in finite nuclei, we find that the
$D^{-}$-${}^{11}
m{B}$ system has $1 s$ and $2p$ mesic nuclear states and that
the $D^{0}$-${}^{11}
m{B}$ system binds in a $1s$ state. In view of the
forthcoming experiments by the PANDA and CBM Collaborations at the future FAIR
facility and the J-PARC upgrade, we calculate the formation spectra of the
$[D^{-}$-${}^{11}
m{B}]$ and $[D^{0}$-${}^{11}
m{B}]$ mesic nuclei for an
antiproton beam on a ${}^{12}
m{C}$ target. Our results suggest that it is
possible to observe the $2 p$ $D^{-}$ mesic nuclear state with an appropriate
experimental setup. | | Source: | arXiv, 1512.3240 | | Services: | Forum | Review | PDF | Favorites | |
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