Weak decays of doubly heavy baryons: $$\mathcal{B}_{cc}\rightarrow \mathcal{B}_c V$$ Bcc→BcV
Abstract The weak decays of a spin-1 / 2 doubly charm baryon ($$\mathcal{B}_{cc}$$ Bcc ) to a spin-1 / 2 singly charm baryon ($$\mathcal{B}_c$$ Bc ) and a light vector meson (V) are studied under a phenomenological scheme. The contributions are classified into different topological diagrams, among w...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2018-11-01
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| Series: | European Physical Journal C: Particles and Fields |
| Online Access: | http://link.springer.com/article/10.1140/epjc/s10052-018-6445-1 |
| _version_ | 1818175878399524864 |
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| author | Li-Juan Jiang Bei He Run-Hui Li |
| author_facet | Li-Juan Jiang Bei He Run-Hui Li |
| author_sort | Li-Juan Jiang |
| collection | DOAJ |
| description | Abstract The weak decays of a spin-1 / 2 doubly charm baryon ($$\mathcal{B}_{cc}$$ Bcc ) to a spin-1 / 2 singly charm baryon ($$\mathcal{B}_c$$ Bc ) and a light vector meson (V) are studied under a phenomenological scheme. The contributions are classified into different topological diagrams, among which the short distance ones are calculated under the factorization hypothesis, and the long distance contributions are modelled as final-state interactions (FSIs) which are estimated with the one-particle-exchange model. In calculation the topological contributions tend to fall in a hierarchy. The branching fractions or decay widths are estimated, and it indicates that $$\Xi _{cc}^+\rightarrow \Xi _c^+\pi ^+\pi ^-$$ Ξcc+→Ξc+π+π- and $$\Omega _{cc}^{+}\rightarrow \Xi _{c}^{+}K^-\pi ^+$$ Ωcc+→Ξc+K-π+ can be used as candidate decays for searching $$\Xi _{cc}^+$$ Ξcc+ and $$\Omega _{cc}^+$$ Ωcc+ . Some decays that are mainly activated by the long distance effects are found, observation on which in future experiments can help to understand the role of FSIs in charm baryon decays. |
| first_indexed | 2024-12-11T20:07:17Z |
| format | Article |
| id | doaj.art-a109a44958fa48c683c7990c909472a8 |
| institution | Directory Open Access Journal |
| issn | 1434-6044 1434-6052 |
| language | English |
| last_indexed | 2024-12-11T20:07:17Z |
| publishDate | 2018-11-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | European Physical Journal C: Particles and Fields |
| spelling | doaj.art-a109a44958fa48c683c7990c909472a82022-12-22T00:52:22ZengSpringerOpenEuropean Physical Journal C: Particles and Fields1434-60441434-60522018-11-01781112810.1140/epjc/s10052-018-6445-1Weak decays of doubly heavy baryons: $$\mathcal{B}_{cc}\rightarrow \mathcal{B}_c V$$ Bcc→BcVLi-Juan Jiang0Bei He1Run-Hui Li2School of Physical Science and Technology, Inner Mongolia UniversitySchool of Physical Science and Technology, Inner Mongolia UniversitySchool of Physical Science and Technology, Inner Mongolia UniversityAbstract The weak decays of a spin-1 / 2 doubly charm baryon ($$\mathcal{B}_{cc}$$ Bcc ) to a spin-1 / 2 singly charm baryon ($$\mathcal{B}_c$$ Bc ) and a light vector meson (V) are studied under a phenomenological scheme. The contributions are classified into different topological diagrams, among which the short distance ones are calculated under the factorization hypothesis, and the long distance contributions are modelled as final-state interactions (FSIs) which are estimated with the one-particle-exchange model. In calculation the topological contributions tend to fall in a hierarchy. The branching fractions or decay widths are estimated, and it indicates that $$\Xi _{cc}^+\rightarrow \Xi _c^+\pi ^+\pi ^-$$ Ξcc+→Ξc+π+π- and $$\Omega _{cc}^{+}\rightarrow \Xi _{c}^{+}K^-\pi ^+$$ Ωcc+→Ξc+K-π+ can be used as candidate decays for searching $$\Xi _{cc}^+$$ Ξcc+ and $$\Omega _{cc}^+$$ Ωcc+ . Some decays that are mainly activated by the long distance effects are found, observation on which in future experiments can help to understand the role of FSIs in charm baryon decays.http://link.springer.com/article/10.1140/epjc/s10052-018-6445-1 |
| spellingShingle | Li-Juan Jiang Bei He Run-Hui Li Weak decays of doubly heavy baryons: $$\mathcal{B}_{cc}\rightarrow \mathcal{B}_c V$$ Bcc→BcV European Physical Journal C: Particles and Fields |
| title | Weak decays of doubly heavy baryons: $$\mathcal{B}_{cc}\rightarrow \mathcal{B}_c V$$ Bcc→BcV |
| title_full | Weak decays of doubly heavy baryons: $$\mathcal{B}_{cc}\rightarrow \mathcal{B}_c V$$ Bcc→BcV |
| title_fullStr | Weak decays of doubly heavy baryons: $$\mathcal{B}_{cc}\rightarrow \mathcal{B}_c V$$ Bcc→BcV |
| title_full_unstemmed | Weak decays of doubly heavy baryons: $$\mathcal{B}_{cc}\rightarrow \mathcal{B}_c V$$ Bcc→BcV |
| title_short | Weak decays of doubly heavy baryons: $$\mathcal{B}_{cc}\rightarrow \mathcal{B}_c V$$ Bcc→BcV |
| title_sort | weak decays of doubly heavy baryons mathcal b cc rightarrow mathcal b c v bcc bcv |
| url | http://link.springer.com/article/10.1140/epjc/s10052-018-6445-1 |
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