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- Peking UniversityCN207 papers
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15 papers · 2 filters
Direct Detection of Spin-Dependent Sub-GeV Dark Matter via Migdal Effect
Wenyu Wang, Ke-Yun Wu, Lei Wu +1
Motivated by the current strong constraints on the spin-independent dark matter (DM)-nucleus scattering, we investigate the spin-dependent (SD) interactions of the light Majorana D…
Charmless Decays in PQCD Approach
Zhao-Wu Liu, Zhi-Tian Zou, Ying Li +2
In this work, we investigate the decays in the perturbative QCD approach, where and denote the vector meson and scalar meson respectively. Based on the two-qua…
Handedness Correlation from Quark Polarization
W. Yang
Jet handedness as a measure of quark and/or gluon polarizations has been proposed for nearly 30 years. It was demonstrated by measuring the correlation of jet handedness in the ele…
Effects from Hadronic Structure of Photon on and Decays
Yun Li, Zhi-Tian Zou, Yue-Long Shen +1
Using the perturbative QCD approach, we studied the effects from hadronic structure of photon on the pure annihilation rediative decays and . These decays…
Self-resonant Dark Matter
Seong-Sik Kim, Hyun Min Lee, Bin Zhu
We present a novel mechanism for Sommerfeld enhancement for dark matter interactions without the need for light mediators. Considering a model for two-component dark matter with a…
Probing superheavy dark matter with gravitational waves
Ligong Bian, Xuewen Liu, Ke-Pan Xie
We study the superheavy dark matter (DM) scenario in an extended model, where one generation of right-handed neutrino is the DM candidate. If there is a new lighter ste…