Younes Otarid

University of Trento

305 Papers

200 Citations

Younes Otarid is an academic researcher from University of Trento. The author has contributed to research in topics: Large Hadron Collider & Higgs boson. The author has an hindex of 15, co-authored 89 publications.

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Papers

Journal Article•10.1007/jhep05(2024)116

Measurement of the primary Lund jet plane density in proton-proton collisions at $$ \sqrt{\textrm{s}} $$ = 13 TeV

A. Hayrapetyan, +2243 more

- 10 May 2024

- Journal of High Energy Physics

TL;DR: A CMS experiment measures the primary Lund jet plane density in proton-proton collisions at 13 TeV, using 138 fb^-1 data, and compares the results with theoretical predictions and perturbative quantum chromodynamics calculations to improve event generator physics modeling.

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Journal Article•10.1103/physrevd.109.072004

Search for flavor changing neutral current interactions of the top quark in final states with a photon and additional jets in proton-proton collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msqrt><mml:mrow><mml:mi>s</mml:mi></mml:mrow></mml:msqrt

A. Hayrapetyan, +2265 more

- 05 Apr 2024

TL;DR: Search for flavor changing neutral current interactions of the top quark in final states with a photon and additional jets: No significant deviation from the predicted background observed. Upper limits on branching fractions set.

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•Journal Article•10.1103/PHYSREVD.102.032003

Search for resonant pair production of Higgs bosons in the bbZZ channel in proton-proton collisions at √s=13 TeV

Albert M. Sirunyan, +2348 more

- 12 Aug 2020

- Physical Review D

TL;DR: In this paper, a search for the production of a narrow-width resonance decaying into a pair of Higgs bosons decaying into the bbZZ channel is presented, based on data collected with the CMS detector during 2016, in proton-proton collisions at the LHC.

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Journal Article•10.1016/j.physletb.2025.139526

Measurement of the Drell–Yan forward-backward asymmetry and of the effective leptonic weak mixing angle in proton-proton collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"><mml:msqrt><mml:mrow><mml:mi>s</mml:mi></mml:mrow></mml:msqrt><mml:mo linebreak="goodbreak"

A. Hayrapetyan, +2302 more

- 01 May 2025

- Physics Letters B

Journal Article•10.1016/j.physletb.2025.139462

Search for rare decays of the Z and Higgs bosons to a J<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"><mml:mo stretchy="false">/</mml:mo><mml:mspace width="-1.00pt"/><mml:mi mathvariant="normal">ψ</mml:mi></mml:math> or ψ(2S) meson and a photon in proton-proton collisions

A. Hayrapetyan, +2261 more

- 01 Apr 2025

- Physics Letters B

Abstract: A search is presented for rare decays of the Z and Higgs bosons to a photon and a J/$\psi$ or a $\psi$(2S) meson, with the charmonium state subsequentially decaying to a pair of muons. The data set corresponds to an integrated luminosity of 123 fb$^{-1}$ of proton-proton collisions at a center-of-mass energy of 13 TeV collected with the CMS detector at the LHC. No evidence for branching fractions of these rare decay channels larger than predicted in the standard model is observed. Upper limits at 95% confidence level are set: $\mathcal{B}$(H $\to$ J/$\psi \gamma$) $\lt$ 2.6 $\times$ 10$^{-4}$, $\mathcal{B}$(H $\to$ $\psi$(2S)$\gamma$) $\lt$ 9.9 $\times$ 10$^{-4}$, $\mathcal{B}$(Z $\to$ J/$\psi \gamma$) $\lt$ 0.6 $\times$ 10$^{-6}$, and $\mathcal{B}$(Z $\to$ $\psi$(2S)$\gamma$) $\lt$ 1.3 $\times$ 10$^{-6}$. The ratio of the Higgs boson coupling modifiers $\kappa_\mathrm{c} / \kappa_\gamma$ is constrained to be in the interval ($-$157, $+$199) at 95% confidence level. Assuming $\kappa_\gamma = 1$, this interval becomes ($-$166, $+$208).

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