Search Results for author: Bo-Qiang Ma

Found 3 papers, 2 papers with code

Searching for lepton number violating $Λ$ baryon decays mediated by GeV-scale Majorana neutrino with LHCb

no code implementations14 Jan 2021 Guangshuai Zhang, Bo-Qiang Ma

We calculate the branching ratio for the following processes: $\Lambda_b^{0} \rightarrow \mathcal{B}^+ \mu^{-}\mu^- \pi^+$, where $\mathcal{B}^+$ is $\Lambda_c^+$ or proton, and $\Lambda_c^{+} \rightarrow \Lambda \mu^{+}\mu^+ \pi^-$, as function of the mass of the sterile neutrino $m_N$ and the heavy-light mixing coefficient of the extended Pontecorvo-Maki-Nakagawa-Sakata (PMNS) matrix $|U_{\mu N}|^2$.

High Energy Physics - Phenomenology

Reduced-order surrogate models for scalar-tensor gravity in the strong field and applications to binary pulsars and GW170817

1 code implementation1 Jul 2019 Junjie Zhao, Lijing Shao, Zhoujian Cao, Bo-Qiang Ma

We investigate the scalar-tensor gravity of Damour and Esposito-Far\`ese (DEF), which predicts non-trivial phenomena in the nonperturbative strong-field regime for neutron stars (NSs).

General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena High Energy Physics - Phenomenology

Regularity of high energy photon events from gamma ray bursts

1 code implementation24 Jan 2018 Haowei Xu, Bo-Qiang Ma

The effect of Quantum Gravity (QG) may bring a tiny light speed variation as $v(E)=c(1-E/E_{\rm LV})$, where $E$ is the photon energy and $E_{\rm LV}$ is a Lorentz violation scale.

General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena High Energy Physics - Phenomenology

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