W. Nakai

activity

20202026

collaborators

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nucl-ex2026

First measurement of $ϕ$ meson production in 30 GeV proton-nucleus reactions via di-electron decay at J-PARC

PARC E16 collaboration, Satomi Nakasuga, Yuhei Morino +44

We present the first measurement of the production of the $ϕ$ meson in 30 GeV proton-nucleus interactions on carbon and copper targets via the di-electron decay channel. The measur…

nucl-ex2025

Velocity dependence of the mass modifications of $ρ$ and $ω$ mesons in 12 GeV $p + A$ reactions

Wataru Nakai, Kazuya Aoki, Junsei Chiba +26

This study measured the invariant mass spectra of $ρ$ and $ω$ mesons in the $e^{+} e^{-}$ decay channel for 12 GeV (12.9 GeV/ $c$ ) $p + C$ and $p + Cu$ reactions ($\sqrt{s}…

First measurement of ϕ meson production in 30 GeV proton-nucleus reactions via di-electron decay at J-PARC

Velocity dependence of the mass modifications of ρ and ω mesons in 12 GeV p+A reactions

First measurement of $ϕ$ meson production in 30 GeV proton-nucleus reactions via di-electron decay at J-PARC

Velocity dependence of the mass modifications of $ρ$ and $ω$ mesons in 12 GeV $p + A$ reactions