Prachurjya Hazarika

Search for heavy scalar resonances decaying to Lorentz-boosted Higgs and Higgs-like bosons in the $$ \mathrm{b}\overline{\mathrm{b}}4\mathrm{q} $$ final state at $$ \sqrt{s}=13 $$ TeV

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

A bstract A search is performed for a heavy scalar resonance X decaying to a Higgs boson (H) and a Higgs-like scalar boson (Y) in the two bottom quark ( $$ \mathrm{H}\to \mathrm{b}\overline{\mathrm{b}} $$ H → b b ¯ ) and four …

am, at, us, be, cn, br (code pays fourni par la source)

First measurement of jet axis decorrelation with photon-tagged jets in pp and $ \mathrm{PbPb} $ collisions at 5.02 TeV

Aram Hayrapetyan, Armen Tumasyan, Wolfgang Adam, Janik Walter Andrejkovic et autres

The first measurement of the jet axis decorrelation in events with jets recoiling from an isolated photon is presented for lead-lead ($ \mathrm{PbPb} $) and proton-proton (pp) collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV. The jet axis decorrelation is the …

am, at, be, br (code pays fourni par la source)

Influence of strangeness on the anisotropic flow of prompt $ \mathrm{D}_{s}^{\pm} $ mesons in PbPb collisions at $ \sqrt{\smash[b]{s_{_{\mathrm{NN}}}}} = $ 5.02 TeV

Andrey Belyaev, Aram Hayrapetyan, Armen Tumasyan, Wolfgang Adam et autres

The azimuthal anisotropy of prompt $ \mathrm{D}_{s}^{\pm} $ mesons produced in lead-lead (PbPb) collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV is measured using data obtained with the CMS detector. The dataset corresponds to an integrated luminosity of 0.58$ \text{nb}^{-1}$. The …

am, at, be, br (code pays fourni par la source)

Measurement of $ {\mathrm{B}} $ meson production fraction ratios in proton-proton collisions at $ \sqrt{s} = $ 13 TeV using open-charm and charmonium decays

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

Production fraction ratios of $ {\mathrm{B}^{+}} $, $ {\mathrm{B}^0} $, and $ \mathrm{B}_{s}^{0} $ mesons are measured in proton-proton collisions at $ \sqrt{s} = $ 13 TeV using a special data set recorded in 2018 with high-rate triggers designed to collect an …

am, at, be, fr, br (code pays fourni par la source)

Observation of $ \Upsilon\mathrm{(1S)} $ + Z associated production and measurement of the effective double-parton scattering cross section in proton-proton collisions at $ \sqrt{s}= $ 13 TeV

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

The observation of associated production of an $ \Upsilon\mathrm{(1S)} $ meson with a Z boson and a measurement of the ratio of its fiducial cross section to the fiducial cross section of the Z boson are presented. Both the $ \Upsilon\mathrm{(1S)} $ …

Search for heavy resonances decaying into two Higgs bosons in the $\mathrm{b\bar{b}}\tau^+\tau^-$ final state in proton-proton collisions at $\sqrt{s}$ = 13 TeV

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

A search is presented for massive narrow-width resonances in the mass range of 1$-$4.5 TeV, decaying into pairs of Higgs bosons (HH). The search uses proton-proton collision data at a center-of-mass energy of 13 TeV collected with the CMS detector at the …

am, at, be, fr, br (code pays fourni par la source)

Measurement of Z$ \gamma $ production in proton-proton collisions at $ \sqrt{s}= $ 13.6 TeV and constraints on neutral triple gauge couplings

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

A measurement of the Z$ \gamma $ production cross section in proton-proton collisions at a center-of-mass energy of 13.6 TeV is presented. Data corresponding to an integrated luminosity of 34.8 fb$^{-1}$, collected by the CMS experiment at the LHC in 2022 are …

at, be, br (code pays fourni par la source)

Search for heavy H$\gamma $ and Z$\gamma $ resonances with a bottom quark-antiquark pair in the final state in proton-proton collisions at $ \sqrt{s}= $ 13 TeV

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

A search for heavy resonances decaying into a Higgs boson (H) or a Z boson and a photon ($ \gamma $), with the H or Z bosons decaying to a bottom quark-antiquark pair ($ \mathrm{b}\overline{\mathrm{b}} $) is presented. The analysis is performed …

Highlights of the HL-LHC physics projections by ATLAS and CMS

Georges Aad, Erlend Aakvaag, Braden Keim Abbott, Sara Abdelhameed et autres

The ATLAS and CMS experiments are unique drivers of our fundamental understanding of nature at the energy frontier. In this contribution to the update of the European Strategy for Particle Physics, we update the physics reach of these experiments at the High-Luminosity …