Unification of flavor SU(3) analyses of heavy Hadron weak decays

He, Xiao-Gang; Shi, Yu-Ji; Wang, Wei

doi:10.1140/epjc/s10052-020-7862-5

Cited by 55 publications

(58 citation statements)

References 98 publications

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“…In this work we will analyze two body weak hadronic decays to obtain the main decay modes and also to find relations among different decays as tests for SUð3Þ flavor symmetry where u, d, and s form a fundamental representation 3. SUð3Þ flavor symmetry has been used to study hadronic decays for hadrons with light quarks and with heavy quarks [9][10][11][12][13][14][15][16][17]. In the lack of results from established method of first principle calculation from QCD, such as lattice calculation, SUð3Þ studies have given many interesting results for hadrons that contain a heavy b quark, and in many cases are quantitatively in agreement with experimental data.…”

Section: Effective Hamiltonian Of Weak B Bc Decaysmentioning

confidence: 95%

“…We will denote them by H jk i for H c eff , H i j for H b eff with a ¼ u, and H i for H b eff with a ¼ c, respectively. Their nonzero entries are given by [15,24] H 31 [13]. Here the subscript for the representations indicates where they come from, and the H shows that the given representation comes from the effective Hamiltonian.…”

Section: Effective Hamiltonian Of Weak B Bc Decaysmentioning

confidence: 99%

“…The most promising discovery channels should be the Cabibbo-allowed ones with B or B b in Eqs. (15) and (16), which cause less subsequent decays compared to those with B 0 and B 0 b . Let us take Ξ 0 bc → Λ þB 0 and Ξ þ bc → Ξ 0 b þ π þ as our illustrations.…”

Section: Decay Modes Amplitudesmentioning

confidence: 99%

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SU(3) flavor symmetry for weak hadronic decays of Bbc baryons

et al. 2020

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Baryons with a heavy c-quark or a heavy b-quark and also two c-quarks have been discovered. These states are expected in QCD and therefore provide a test for the theory. There should be double beauty baryons, and also an intriguing possibility that baryons B bc with a c-quark, a b-quark. These states are yet to be discovered. The main decay modes of B bc are expected to be weak processes from theoretical understanding of their mass spectrum. These decay modes can provide crucial information about these heavy baryons B bc. We analyze two body hadronic weak decays for B bc using SUð3Þ flavor symmetry. Any one of the c and b decays will induce B bc to decay. We find that the Cabibbo allowed decays B bc → B b þ M due to c → sud can be crucial for exploration. The LHC may have the sensitivity to discover such decays. Other B bc decays due to b → cq 0q are subleading. Several relations among branching ratios are obtained which can be used to test SUð3Þ flavor symmetry.

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Section: Effective Hamiltonian Of Weak B Bc Decaysmentioning

confidence: 95%

Section: Effective Hamiltonian Of Weak B Bc Decaysmentioning

confidence: 99%

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SU(3) flavor symmetry for weak hadronic decays of Bbc baryons

et al. 2020

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“…for both l ¼ P and l ¼ D. Since, A CP depends on the masses of the initial and final baryons as well as the final state meson [71,114], some approximation is needed to obtain the A CP relations between various modes. In the U-spin limit [115], by ignoring p D and m D differences between such modes, CP violation relations can be experimentally verified using the relation [50,86,115],…”

Section: Suð3þ Breaking Effectsmentioning

confidence: 99%

“…and D is given by the particular combination of Wilson coefficients,The flavor flow in the five topologies[50] given inFig. 1is described below,…”

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confidence: 99%

Beauty baryon nonleptonic decays into decuplet baryons and CP -asymmetries based on an SU(3) -flavor analysis

2020

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We consider charmless weak decays of beauty baryons into decuplet baryons and pseudoscalar mesons in a general framework based on the SUð3Þ-flavor decomposition of the decay amplitudes. The dynamical assumption independent SUð3Þ analysis accounts for the effects of an arbitrarily broken SUð3Þ symmetry in these decays. An alternative approach in terms of quark diagrams is also provided and compared with the SUð3Þ decomposition in the limit of an exact SUð3Þ-flavor symmetry. Furthermore, the symmetries of the effective Hamiltonian is used to relate or neglect reduced SUð3Þ amplitudes to derive several sum rule relations between amplitudes and relations between CP asymmetries in these decays and identify those that hold even if SUð3Þ is broken.

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Silk Fibroin Encapsulated Icariin Nanoparticles Mitigate Bisphenol A‐Induced Spermatogenesis Dysfunction

Fang,

You,

Luo

et al. 2023

Adv Healthcare Materials

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Bisphenol A (BPA) is a prevalent endocrine disruptor found in natural environments. Exposure to BPA has been associated with male infertility. The natural phytochemical icariin (ICA) has demonstrated significant promise for the treatment of male infertility. However, its effectiveness is limited due to its low bioavailability, poor water solubility, and insufficient targeting abilities. Herein, novel nanoparticles are generated from the natural silk fibroin, which are used to load ICA. The efficient drug delivery system (ICA‐SNPs) result in significantly focused drug distribution to spermatogonium, enhancing the anti‐infertility properties of ICA, and can effectively mitigate spermatogenesis dysfunction induced by BPA, control serum sex hormone levels, and enhance testicular ultrastructure. Additionally, the ICA‐SNPs restore spermatogenesis dysfunction primarily via the hormone biosynthesis, spermatogonium meiosis process, and glycerophospholipid metabolism.

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Unification of flavor SU(3) analyses of heavy Hadron weak decays

Cited by 55 publications

References 98 publications

SU(3) flavor symmetry for weak hadronic decays of Bbc baryons

SU(3) flavor symmetry for weak hadronic decays of Bbc baryons

Beauty baryon nonleptonic decays into decuplet baryons and CP -asymmetries based on an SU(3) -flavor analysis

Silk Fibroin Encapsulated Icariin Nanoparticles Mitigate Bisphenol A‐Induced Spermatogenesis Dysfunction

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