Dilepton production in proton-proton reaction at 4.5 GeV with the HADES spectrometer

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389005%3A90260%2F24%3A00617189" target="_blank" >RIV/61389005:90260/24:00617189 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1051/epjconf/202429102010" target="_blank" >http://dx.doi.org/10.1051/epjconf/202429102010</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1051/epjconf/202429102010" target="_blank" >10.1051/epjconf/202429102010</a>

Result language
angličtina
Original language name
Dilepton production in proton-proton reaction at 4.5 GeV with the HADES spectrometer
Original language description
Spectra of dileptons emitted in hadron collisions are important tool to study electromagnetic decays of resonances and the validity of the Vector Meson Dominance model. Furthermore, they provide reference spectra for the hot and dense (heavy-ion A+A collisions) and cold nuclear matter (p+A collisions). In February 2022, proton-proton reactions at 4.5 GeV beam kinetic energy were measured by HADES experiment. The aim of the analysis is to study the specific channels that produced dileptons, such as baryonic resonance Dalitz decays (Δ/N∗ → Ne+e-) and vector meson decays (ρ/ω/φ→ e+e-). In addition, the investigations of dielectron production above the φ meson mass will be enabled. In this contribution, different steps of the e+e- pair reconstruction are discussed.
Czech name
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Czech description
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Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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