Rhys Taus

Observation of the jet diffusion wake using dijets in heavy ion collisions

Aram Hayrapetyan, Vladimir Makarenko, Armen Tumasyan, Wolfgang Adam et autres

Energetic quarks and gluons traversing a hot and dense quark-gluon plasma deposit energy and momentum into the medium before hadronizing to collimated sprays of particles, known as jets. This energy-momentum deposition is expected to produce medium responses, collectively known as jet wakes, …

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Search for a narrow resonance with a mass between 10 and 70 GeV decaying to a pair of photons in proton-proton collisions at $\sqrt{s}$ = 13 TeV

Aram Hayrapetyan, Vladimir Makarenko, Armen Tumasyan, Wolfgang Adam et autres

The existence of a new spin-zero particle with a mass below the electroweak scale is predicted by several theoretical models. Searches for resonant production of photon pairs at the LHC are able to probe these models. We present a search for a …

Search for Z' bosons decaying into charginos in final states with two oppositely charged leptons and missing transverse momentum in pp collisions at $\sqrt{s}$ = 13 TeV

Aram Hayrapetyan, Vladimir Makarenko, Armen Tumasyan, Wolfgang Adam et autres

Massive leptophobic Z' bosons decaying to a pair of charginos are searched for in proton-proton collisions at $\sqrt{s}$ = 13 TeV, using data samples collected by the CMS experiment in 2016, 2017, and 2018, corresponding to a total integrated luminosity of 138 …

Measurement of angular correlations inside jets induced by gluon polarization in proton-proton collisions at $\sqrt{s}$ = 13.6 TeV

Aram Hayrapetyan, Vladimir Makarenko, Armen Tumasyan, Wolfgang Adam et autres

A study of angular correlations inside jets induced by gluon polarization is performed using proton-proton collisions at a center-of-mass energy of $\sqrt{s}$ = 13.6 TeV. The data correspond to an integrated luminosity of 34.7 fb$^{-1}$, collected in 2022 with the CMS detector …

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System-size dependence of charged-particle suppression in ultrarelativistic nucleus-nucleus collisions

Andrey Belyaev, Arzunik Gevorgyan, Aram Hayrapetyan, Armen Tumasyan et autres

High-energy partons lose energy while propagating through the hot, strongly interacting medium produced in ultrarelativistic nucleus-nucleus collisions, leading to a suppression of particle production at high transverse momentum ($p_\mathrm{T}$). The dependence of this energy loss on the size of the colliding nuclear …

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Search for pair production of heavy resonances in final states with a photon and large-radius jets in proton-proton collisions at $\sqrt{s}$ = 13 TeV

Aram Hayrapetyan, Vladimir Makarenko, Armen Tumasyan, Wolfgang Adam et autres

A search for the pair production of heavy spin-1/2 or spin-3/2 resonances (t$^*$) in proton-proton collisions at $\sqrt{s}$ = 13 TeV is presented. Data collected with the CMS detector at the CERN LHC from 2016 to 2018 corresponding to an integrated luminosity …