57 citations · 540 across the 44 of their papers we have counts for
45 papers
W-boson helicity fractions in top decay as probes of dimension-6 and dimension-8 SMEFT operators
Afsaneh Kianfar, Gholamhossein Haghighat, Mojtaba Mohammadi Najafabadi
Precision measurements of top-quark decays provide powerful probes of physics beyond the Standard Model (SM). While the impact of dimension-6 operators in the SM Effective Field Th…
ECFA Higgs, electroweak, and top Factory Study
H. Abidi, J. A. Aguilar-Saavedra, S. Airen +373
The ECFA Higgs, electroweak, and top Factory Study ran between 2021 and 2025 as a broad effort across the experimental and theoretical particle physics communities, bringing togeth…
CMS RPC Non-Physics Event Data Automation Ideology
A. Dimitrov, M. Tytgat, K. Mota Amarilo +101
This paper presents a streamlined framework for real-time processing and analysis of condition data from the CMS experiment Resistive Plate Chambers (RPC). Leveraging data streamin…
Exploring Axion-Like Particle Couplings through Single Top -Channel and Top Pair Production at the LHC
Yasaman Hosseini, Mojtaba Mohammadi Najafabadi
In this paper, we explore the interactions between light axion-like particles (ALPs) and top quarks, gluons, and W-bosons. Utilizing high-energy probes at the LHC, we probe these c…
Prospect study for measurement of coupling at the LHC and FCC-hh
Zahra Abdy, Mojtaba Mohammadi Najafabadi
This paper employs the signature in proton-proton collisions to explore the structure of the couplings.The focus of the analysis lies in the decay of…
Exploring non-standard interactions at future electron-proton colliders
Gholamhossein Haghighat, Reza Jafari, Hamzeh Khanpour +1
In this paper, we use the charged-current Higgs boson production process at future electron-proton colliders, , with the subsequent decay of the Higgs boson into…
Machine Learning based tool for CMS RPC currents quality monitoring
E. Shumka, A. Samalan, M. Tytgat +105
The muon system of the CERN Compact Muon Solenoid (CMS) experiment includes more than a thousand Resistive Plate Chambers (RPC). They are gaseous detectors operated in the hostile…
RPC based tracking system at CERN GIF++ facility
K. Mota Amarilo, A. Samalan, M. Tytgat +105
With the HL-LHC upgrade of the LHC machine, an increase of the instantaneous luminosity by a factor of five is expected and the current detection systems need to be validated for s…
Probing a light dark sector at future lepton colliders via invisible decays of the SM-like and dark Higgs bosons
Gholamhossein Haghighat, Mojtaba Mohammadi Najafabadi, Kodai Sakurai +1
A renormalizable UV model for Axion-Like Particles (ALPs) or hidden photons, that may explain the dark matter usually involves a dark Higgs field which is a singlet under the stand…
Prospects for probing axionlike particles at a future hadron collider through top quark production
Yasaman Hosseini, Mojtaba Mohammadi Najafabadi
Axionlike particles (ALPs) emerge from spontaneously broken global symmetries in high energy extensions of the Standard Model (SM). This causes ALPs to be among the objectives of f…
Search for lepton-flavor-violating decays of the tau lepton at a future muon collider
Gholamhossein Haghighat, Mojtaba Mohammadi Najafabadi
Tau leptons can have lepton-flavor-violating (LFV) couplings to a muon or an electron and an Axion-Like Particle (ALP). ALPs are pseudo Nambu-Goldstone bosons associated with spont…
Unitarity Constraints and Collider Searches for Dark Photons
Yasaman Hosseini, Mojtaba Mohammadi Najafabadi
Dark photons are predicted by various new physics models, and are being intensively studied in a variety of experiments. In the first part of this paper, we obtain partial wave uni…
Upgrade of the CMS Resistive Plate Chambers for the High Luminosity LHC
A. Samalan, M. Tytgat, G. A. Alves +108
During the upcoming High Luminosity phase of the Large Hadron Collider (HL-LHC), the integrated luminosity of the accelerator will increase to 3000 fb. The expected experime…
Searching for lepton flavor violating interactions at future electron-positron colliders
S. M. Etesami, R. Jafari, M. Mohammadi Najafabadi +1
Lepton flavor violating interactions are absent in the standard model but are expected in various beyond standard models. In this work, the potential of the future circular electro…
Search for lepton-flavor-violating ALPs at a future muon collider and utilization of polarization-induced effects
Gholamhossein Haghighat, Mojtaba Mohammadi Najafabadi
Axion-Like Particles (ALPs) are pseudo Nambu-Goldstone bosons associated with spontaneously broken global symmetries. Such particles can have lepton-flavor-violating (LFV) c…
Effects of the electronic threshold on the performance of the RPC system of the CMS experiment
W. Elmetenawee
Resistive Plate Chambers have a very important role for muon triggering both in the barrel and in the endcap regions of the CMS experiment at the Large Hadron Collider (LHC). In or…
Experiences from the RPC data taking during the CMS RUN-2
Mehar Ali Shah
The CMS experiment recorded 177.75 /fb of proton-proton collision data during the RUN-1 and RUN-2 data taking period. Successful data taking at increasing instantaneous luminositie…
CMS RPC Background -- Studies and Measurements
R. Hadjiiska, A. Samalan, M. Tytgat +106
The expected radiation background in the CMS RPC system has been studied using the MC prediction with the CMS FLUKA simulation of the detector and the cavern. The MC geometry used…
Aging Study on Resistive Plate Chambers of the CMS Muon Detector for HL-LHC
R. Aly
In the High Luminosity Large Hadron Collider (HL-LHC) program, during the next years, the instantaneous luminosity will increase up to 5 10 cm s which…
Improved-RPC for the CMS muon system upgrade for the HL-LHC
Priyanka Kumari
During Phase-2 of the LHC, known as the High Luminosity LHC (HL-LHC), the accelerator will increase its instantaneous luminosity to 5 10 cm s, deliver…
Beyond the Standard Model Physics at the HL-LHC and HE-LHC
X. Cid Vidal, M. D'Onofrio, P. J. Fox +294
This is the third out of five chapters of the final report [1] of the Workshop on Physics at HL-LHC, and perspectives on HE-LHC [2]. It is devoted to the study of the potential, in…
Study of top quark dipole interactions in production associated with two heavy gauge bosons at the LHC
Seyed Mohsen Etesami, Sara Khatibi, Mojtaba Mohammadi Najafabadi
In this paper, we investigate the prospects of measuring the strong and weak dipole moments of the top quark at the Large Hadron Collider (LHC). Measurements of these couplings pro…
Probing Higgs boson couplings in H+ production at the LHC
Hamzeh Khanpour, Sara Khatibi, Mojtaba Mohammadi Najafabadi
In this paper, we examine the potential of Higgs boson production associated with a photon at the LHC to probe the new physics effects in the framework of the standard model effect…
Constraining the monochromatic gamma-rays from dark matter annihilation by the LHC
Arman Esmaili, Sara Khatibi, Mojtaba Mohammadi Najafabadi
The installation of forward detectors in CMS and ATLAS turn the LHC to an effective photon-photon collider. The elastic scattering of the beam-protons via the emission of photons,…