F. Torres Da Silva De Araujo

R &D of back-end electronics for improved resistive plate chambers for the phase 2 upgrade of the CMS end-cap muon system Open

H. Kou, Z.-A. Liu, J. Zhao, Jiazheng Song, Q. Hou , et al. · 2022

Upgrade of the CMS resistive plate chambers for the high luminosity LHC Open

A. Samalan, M. Tytgat, G. A. Alves, F. Marujo da Silva, F. Torres Da Silva De Araujo , et al. · 2022

During the upcoming High Luminosity phase of the Large Hadron Collider (HL-LHC), the integrated luminosity of the accelerator will increase to 3000 fb −1 . The expected experimental conditions in that period in terms of background rates, e…

Front-end electronics for CMS iRPC detectors Open

K. Shchablo, A. Samalan, M. Tytgat, N. Zaganidis, G. A. Alves , et al. · 2021

A new generation of resistive plate chambers, capable of withstanding high particle fluxes (up to 2000 Hz · cm -2 ) and instrumented with precise timing readout electronics is proposed to equip two of the four high pseudorapidity stations …

Search for Z and Higgs boson decaying into Y + y in pp collisions at CMS/LHC Open

F. Torres Da Silva De Araujo · 2021

Esse trabalho apresenta o estudo sobre decaimentos raros de bósons do Modelo Padrão em quarkonia.O mesmo é feito em dados coletados em 2016 pelo detector CMS, com energia de centro de massa de √ s = 13 TeV.Decaimentos de bósons Z e Higgs e…

CMS RPC background — studies and measurements Open

R. Hadjiiska, A. Samalan, M. Tytgat, N. Zaganidis, G. A. Alves , et al. · 2021

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 in the analysis describes very accurately the present RPC s…

Aging study on Resistive Plate Chambers of the CMS Muon Detector for HL-LHC Open

R. Aly, A. Gelmi, P. Kumari, N. Zaganidis, A. Samalan , et al. · 2020

In the High Luminosity Large Hadron Collider (HL-LHC) program, during the next years, the instantaneous luminosity will increase up to 5 x 10(34) cm(-2) s(-1) which means a factor five higher than the nominal LHC luminosity. In that period…

CMS RPC activities during LHC LS-2 Open

M. A. Shah, M. El Sawy, A. Samalan, M. Tytgat, N. Zaganidis , et al. · 2020

The second LHC long shutdown period (LS2) is an important opportunity for the CMS Resistive Plate Chambers (RPC) to complete their consolidation and upgrade projects. The consolidation includes detector maintenance for gas tightness, HV (h…

A new approach for CMS RPC current monitoring using Machine Learning techniques Open

A. Samalan, M. Tytgat, N. Zaganidis, G. A. Alves, F. Marujo da Silva , et al. · 2020

The CMS experiment has 1054 RPCs in its muon system. Monitoring their currents is the first essential step towards maintaining the stability of the CMS RPC detector performance. The current depends on several parameters such as applied vol…

RPC system in the CMS Level-1 Muon Trigger Open

A. Samalan, M. Tytgat, N. Zaganidis, G. A. Alves, F. Marujo da Silva , et al. · 2020

The CMS experiment implements a two-level triggering system composed of Level-1, instrumented by custom-design hardware boards, and a software High Level Trigger. To cope with the more challenging luminosity conditions, a new Level-1 archi…

Effects of the electronic threshold on the performance of the RPC system of the CMS experiment Open

W. Elmetenawee, A. Samalan, M. Tytgat, N. Zaganidis, G. A. Alves , et al. · 2020

Resistive Plate Chambers have a very important role as the dedicated system for muon triggering both in the barrel and in the endcap regions of the CMS experiment at the Large Hadron Collider. In order to optimize its performance, it is of…

Towards a two-dimensional readout of the improved CMS Resistive Plate\n Chamber with a new front-end electronics Open

S. Meola, A. Samalan, M. Tytgat, N. Zaganidis, G. A. Alves , et al. · 2020

As part of the Compact Muon Solenoid experiment Phase-II upgrade program, new\nResistive Plate Chambers will be installed in the forward region. High\nbackground conditions are expected in this region during the high-luminosity\nphase of t…

CMS RPC Background -- Studies and Measurements Open

R. Hadjiiska, A. Samalan, M. Tytgat, N. Zaganidis, G. A. Alves , et al. · 2020

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 in the analysis describes very accurately the present RPC s…

Search for Heavy Stable Charged Particles in the CMS Experiment using the RPC Phase II upgraded detectors Open

G. Ramirez-Sanchez, A. Fagot, M. Gul, C. Roskas, M. Tytgat , et al. · 2019

Several theoretical models inspired by the idea of supersymmetry (SUSY) accommodate the possibility of Heavy Stable Charged Particles (HSCPs). The Phase II upgrade of the CMS-RPC system will allow the trigger and identification of this kin…

RPC radiation background simulations for the high luminosity phase in the CMS experiment Open

C. Uribe Estrada, S. Carpinteyro Bernardino, A. Castaneda Hernandez, A. Fagot, M. Gul , et al. · 2019

The high luminosity expected from the HL-LHC will be a challenge for the CMS detector. The increased rate of particles coming from the collisions and the radioactivity induced in the detector material could cause significant damage and res…

High voltage calibration method for the CMS RPC detector Open

R. Reyes-Almanza, A. Dimitrov, A. Fagot, M. Gul, C. Roskas , et al. · 2019

The Resistive Plate Chambers (RPC) are used for muon triggers in the CMS experiment. To calibrate the high voltage working-points (WP) and identify degraded detectors due to radiation or chemical damage, a high voltage scan has been perfor…

Longevity studies on the CMS-RPC system Open

A. Gelmi, A. Fagot, M. Gul, C. Roskas, M. Tytgat , et al. · 2019

In the next decades, the Large Hadron Collider (LHC) will run at very high luminosity (HL-LHC) 5$\\times10^{34}$ cm$^{-2}$s$^{-1}$, factor five more than the nominal LHC luminosity. During this period the CMS RPC system will be subjected t…

Long-term performance and longevity studies of the CMS Resistive Plate Chambers Open

R. I. Rabadán Trejo, A. Fagot, M. Gul, C. Roskas, M. Tytgat , et al. · 2018

Four double-gap CMS resistive plate chambers are being tested at the CERN Gamma Irradiation Facility to determine the performance and aging effects at the expected conditions of the High Luminosity-Large Hadron Collider. Results up to an i…

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