2026年新物理前沿与交叉科学研讨会 (NPhiS 2026)

Ultralight axion‑like dark matter (ALDM) is a well‑motivated candidate whose wave‑like nature is manifest on astronomical scales. Pulsar timing arrays (PTAs) and pulsar polarization arrays (PPAs) offer complementary probes: PTAs search for ALDM imprints on pulse arrival times, while PPAs target linear polarization angle rotations induced by the axion–photon Chern–Simons coupling. In this talk,...

I will first introduce the framework of strong-field QED and then propose the high-intensity laser assisted search for dark particles such as axion-like particle or dark photon.

Ultralight dark matter (ULDM) is a popular dark matter candidate. Here we show future gravitational-wave laser interferometers in space, such as LISA, Taiji and Tianqin, would be able to explore the parameter space of ULDM that other experiments can not, improving by several orders of magnitude.

In this talk, I will discuss the LHC reach for probing the right-handed neutrino mixing matrix via the Keung–Senjanović process, $pp \to W_R \to \ell N_R \to \ell\ell jj$, focusing on both same-sign and opposite-sign dilepton final states with different lepton flavor combinations. I will show that machine learning technique significantly enhances the sensitivities to the masses of $W_R$ and...

Directly probing light-quark Yukawa couplings and their flavor structure remains a major challenge due to their smallness and overwhelming QCD backgrounds. In this Letter, we propose a theoretical framework to access these couplings at lepton colliders through transverse spin dependent azimuthal modulations in dihadron fragmentation.
These modulations arise from the interference between...