Hassan Abdalla

Cairo University

172 Papers

407 Citations

Hassan Abdalla is an academic researcher from Cairo University. The author has contributed to research in topics: Large Hadron Collider & Higgs boson. The author has an hindex of 32, co-authored 98 publications. Previous affiliations of Hassan Abdalla include Helwan University.

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Papers

Search for resonances in the mass spectrum of muon pairs produced in association with b quark jets in proton-proton collisions at $\sqrt{s} =$ 8 and 13 TeV

Albert M. Sirunyan, +2301 more

- 01 Jan 2018

TL;DR: In this paper, a search for resonances in the mass range 12-70 GeV produced in association with a b quark jet and a second jet, and decaying to a muon pair, is reported.

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Journal Article•10.1007/jhep10(2023)046

Search for new physics in multijet events with at least one photon and large missing transverse momentum in proton-proton collisions at 13 TeV

A. Hayrapetyan, +2340 more

- 30 Jul 2023

- Journal of High Energy Physics

TL;DR: A search for new physics in proton-proton collisions at 13 TeV using 137 fb^-1 of CMS data finds no evidence of beyond-standard-model processes, excluding gluinos and squarks up to 2.35 and 1.43 TeV, and electroweakinos up to 1.23 TeV.

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•Journal Article•10.1007/jhep04(2022)144

Measurement of the inclusive $$ \mathrm{t}\overline{\mathrm{t}} $$ production cross section in proton-proton collisions at $$ \sqrt{s} $$ = 5.02 TeV

Armen Tumasyan, +2283 more

- 01 Apr 2022

- Journal of High Energy Physics

TL;DR: In this article , the top quark pair production cross section is measured in proton-proton collisions at a center-of-mass energy of 5.02 TeV using events with one electron and one muon of opposite charge, and at least two jets.

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Journal Article•10.1016/j.physletb.2023.137713

Search for pair-produced vector-like leptons in final states with third-generation leptons and at least three b quark jets 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 li

Armen Tumasyan, +2361 more

- 01 Sep 2023

- Physics Letters B

TL;DR: The first search for vector-like leptons in proton-proton collisions at 13 TeV is presented, analyzing 96.5 fb^-1 of data with the CMS detector, and deriving upper limits on VLL production cross section in the mass range 500-1050 GeV.

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Journal Article•10.1007/jhep09(2023)051

Search for new physics in the τ lepton plus missing transverse momentum final state in proton-proton collisions at s\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setle

Armen Tumasyan, +2344 more

- 23 Dec 2022

- Journal of High Energy Physics

TL;DR: A search for new physics in proton-proton collisions at 13 TeV is presented, analyzing the τ lepton plus missing transverse momentum final state, with no significant deviation from the SM prediction observed, setting limits on various new physics models and particles.

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