P. Ecker

activity

20212026

most citedNew graph-neural-network flavor tagger for Belle II and measurement of

sin 2 ϕ_{1}

B^{0} \to J / ψ K_{S}^{0}

decays

13 citations · 72 across the 19 of their papers we have counts for

collaborators

Showing 2026Show all

4 papers · 1 filter

hep-ex2026

Search for the lepton-flavor-violating decay $τ^{\pm} \to μ^{\pm} γ$ at Belle II

Belle II Collaboration, M. Abumusabh, I. Adachi +466

We present a search for the lepton-flavor-violating decay $τ^{\pm} \to μ^{\pm} γ$ using a data sample that corresponds to an integrated luminosity of 428 fb $^{- 1}$ recorded by the Bel…

hep-ex2026

Search for axion-like particles decaying to two photons at Belle II

Belle II Collaboration, M. Abumusabh, I. Adachi +450

Axion-like particles (ALPs) are predicted in many extensions of the Standard Model and provide a well-motivated portal between visible and hidden sectors through their coupling to…

hep-ex2026

Study of $B^{+} \to μ^{+} ν_{μ}$ decays at Belle and Belle II

Belle, Belle II Collaborations, : +412

We report a measurement of the branching fraction for the leptonic decay $B^{+} \to μ^{+} ν_{μ}$ . This work presents the first $B^{+} \to μ^{+} ν_{μ}$ result using Belle~II data, an updated Belle me…

hep-ex2026

A search for feebly-interacting particles in $B$ decays with missing energy at Belle

Belle, Belle II Collaborations, : +406

We present a search for an invisible hidden-sector particle $X_{inv}$ , produced in $B^{0} \to D ˉ^{0} X_{inv}$ and $B^{\pm} \to h X_{inv}$ decays, where $h = π^{\pm}$ , $…

Search for the lepton-flavor-violating decay τ±→μ±γ at Belle II

Search for axion-like particles decaying to two photons at Belle II

Study of B+→μ+νμ​ decays at Belle and Belle II

A search for feebly-interacting particles in B decays with missing energy at Belle

Search for the lepton-flavor-violating decay $τ^{\pm} \to μ^{\pm} γ$ at Belle II

Study of $B^{+} \to μ^{+} ν_{μ}$ decays at Belle and Belle II

A search for feebly-interacting particles in $B$ decays with missing energy at Belle