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Ali Harb

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Publications associées (12)

Search for CP violating top quark couplings in pp collisions at √s=13 TeV

Rakesh Chawla, Arvind Shah, Andrea Rizzi, Matthias Finger, Bandeep Singh, Federica Legger, Thomas Berger, Jian Zhao, João Miguel das Neves Duarte, Tagir Aushev, Hua Zhang, Alexis Kalogeropoulos, Yixing Chen, Tian Cheng, Ioannis Papadopoulos, Valérie Scheurer, Meng Xiao, Wei Sun, Maren Tabea Meinhard, Qian Wang, Michele Bianco, Varun Sharma, Jessica Prisciandaro, Joao Varela, Francesco Fiori, Sourav Sen, Ashish Sharma, Seungkyu Ha, David Vannerom, Csaba Hajdu, Sanjeev Kumar, Sebastiana Gianì, Kun Shi, Abhisek Datta, Miao Hu, Siyuan Wang, Peter Hansen, Muhammad Waqas, Dipanwita Dutta, Anton Petrov, Jian Wang, Yi Zhang, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Azimuthal Correlations within Exclusive Dijets with Large Momentum Transfer in Photon-Lead Collisions

Rakesh Chawla, Arvind Shah, Andrea Rizzi, Matthias Finger, Bandeep Singh, Federica Legger, Thomas Berger, Jian Zhao, João Miguel das Neves Duarte, Tagir Aushev, Hua Zhang, Quentin Python, Alexis Kalogeropoulos, Yixing Chen, Tian Cheng, Ioannis Papadopoulos, Valérie Scheurer, Meng Xiao, Wei Sun, Maren Tabea Meinhard, Qian Wang, Michele Bianco, Varun Sharma, Jessica Prisciandaro, Joao Varela, Francesco Fiori, Sourav Sen, Ashish Sharma, Seungkyu Ha, David Vannerom, Csaba Hajdu, Sanjeev Kumar, Sebastiana Gianì, Kun Shi, Abhisek Datta, Miao Hu, Siyuan Wang, Peter Hansen, Muhammad Waqas, Dipanwita Dutta, Anton Petrov, Jian Wang, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Two-particle azimuthal correlations in γp interactions using pPb collisions at √sNN=8.16 TeV

Rakesh Chawla, Arvind Shah, Andrea Rizzi, Matthias Finger, Bandeep Singh, Federica Legger, Thomas Berger, Jian Zhao, João Miguel das Neves Duarte, Tagir Aushev, Hua Zhang, Quentin Python, Alexis Kalogeropoulos, Yixing Chen, Tian Cheng, Ioannis Papadopoulos, Valérie Scheurer, Meng Xiao, Wei Sun, Maren Tabea Meinhard, Qian Wang, Michele Bianco, Varun Sharma, Jessica Prisciandaro, Joao Varela, Francesco Fiori, Sourav Sen, Ashish Sharma, Seungkyu Ha, David Vannerom, Csaba Hajdu, Sanjeev Kumar, Sebastiana Gianì, Kun Shi, Abhisek Datta, Miao Hu, Siyuan Wang, Peter Hansen, Muhammad Waqas, Dipanwita Dutta, Anton Petrov, Jian Wang, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Measurement of differential cross sections for the production of a Z boson in association with jets in proton-proton collisions at √s=13 TeV

Rakesh Chawla, Arvind Shah, Andrea Rizzi, Matthias Finger, Bandeep Singh, Federica Legger, Thomas Berger, Jian Zhao, João Miguel das Neves Duarte, Tagir Aushev, Hua Zhang, Alexis Kalogeropoulos, Yixing Chen, Tian Cheng, Ioannis Papadopoulos, Valérie Scheurer, Meng Xiao, Wei Sun, Maren Tabea Meinhard, Qian Wang, Michele Bianco, Varun Sharma, Jessica Prisciandaro, Joao Varela, Francesco Fiori, Sourav Sen, Ashish Sharma, Seungkyu Ha, David Vannerom, Csaba Hajdu, Sanjeev Kumar, Sebastiana Gianì, Kun Shi, Abhisek Datta, Guido Andreassi, Miao Hu, Siyuan Wang, Peter Hansen, Muhammad Waqas, Dipanwita Dutta, Anton Petrov, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Search for singly and pair-produced leptoquarks coupling to third-generation fermions in proton-proton collisions at root s=13 TeV

Rakesh Chawla, Arvind Shah, Andrea Rizzi, Matthias Finger, Bandeep Singh, Federica Legger, Bertrand François, Thomas Berger, Jian Zhao, João Miguel das Neves Duarte, Tagir Aushev, Hua Zhang, Quentin Python, Alexis Kalogeropoulos, Chao Wang, Yixing Chen, Tian Cheng, Ioannis Papadopoulos, Valérie Scheurer, Meng Xiao, Wei Sun, Maren Tabea Meinhard, Qian Wang, Michele Bianco, Doohyun Kim, Varun Sharma, Jessica Prisciandaro, Joao Varela, Francesco Fiori, Sourav Sen, Ashish Sharma, Seungkyu Ha, David Vannerom, Csaba Hajdu, Sanjeev Kumar, Sebastiana Gianì, Kun Shi, Abhisek Datta, Miao Hu, Siyuan Wang, Peter Hansen, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Search for top squark production in fully hadronic final states in proton-proton collisions at root s=13 TeV

Rakesh Chawla, Arvind Shah, Andrea Rizzi, Matthias Finger, Bandeep Singh, Federica Legger, Bertrand François, Thomas Berger, Jian Zhao, João Miguel das Neves Duarte, Tagir Aushev, Hua Zhang, Alexis Kalogeropoulos, Chao Wang, Yixing Chen, Tian Cheng, Ioannis Papadopoulos, Valérie Scheurer, Meng Xiao, Wei Sun, Maren Tabea Meinhard, Qian Wang, Michele Bianco, Doohyun Kim, Varun Sharma, Jessica Prisciandaro, Joao Varela, Francesco Fiori, Sourav Sen, Ashish Sharma, Seungkyu Ha, David Vannerom, Csaba Hajdu, Sanjeev Kumar, Sebastiana Gianì, Kun Shi, Abhisek Datta, Miao Hu, Siyuan Wang, Peter Hansen, Muhammad Waqas, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Search for the rare decay of the W boson into a pion and a photon in proton-proton collisions at root s=13 TeV

Rakesh Chawla, Arvind Shah, Andrea Rizzi, Matthias Finger, Bandeep Singh, Federica Legger, Bertrand François, Thomas Berger, Jian Zhao, João Miguel das Neves Duarte, Tagir Aushev, Hua Zhang, Quentin Python, Alexis Kalogeropoulos, Chao Wang, Yixing Chen, Tian Cheng, Ioannis Papadopoulos, Valérie Scheurer, Meng Xiao, Wei Sun, Maren Tabea Meinhard, Qian Wang, Michele Bianco, Doohyun Kim, Varun Sharma, Jessica Prisciandaro, Joao Varela, Francesco Fiori, Sourav Sen, Ashish Sharma, Seungkyu Ha, David Vannerom, Csaba Hajdu, Sanjeev Kumar, Sebastiana Gianì, Kun Shi, Abhisek Datta, Miao Hu, Siyuan Wang, Peter Hansen, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Electron and photon reconstruction and identification with the CMS experiment at the CERN LHC

Rakesh Chawla, Arvind Shah, Andrea Rizzi, Matthias Finger, Bandeep Singh, Federica Legger, Bertrand François, Thomas Berger, Jian Zhao, João Miguel das Neves Duarte, Tagir Aushev, Hua Zhang, Quentin Python, Alexis Kalogeropoulos, Chao Wang, Yixing Chen, Tian Cheng, Ioannis Papadopoulos, Valérie Scheurer, Meng Xiao, Wei Sun, Maren Tabea Meinhard, Qian Wang, Michele Bianco, Doohyun Kim, Varun Sharma, Jessica Prisciandaro, Joao Varela, Francesco Fiori, Sourav Sen, Ashish Sharma, Seungkyu Ha, David Vannerom, Csaba Hajdu, Sanjeev Kumar, Sebastiana Gianì, Kun Shi, Abhisek Datta, Miao Hu, Siyuan Wang, Peter Hansen, Dipanwita Dutta, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Measurement of the W gamma Production Cross Section in Proton-Proton Collisions at root s=13 TeV and Constraints on Effective Field Theory Coefficients

Rakesh Chawla, Arvind Shah, Andrea Rizzi, Matthias Finger, Bandeep Singh, Federica Legger, Bertrand François, Thomas Berger, Jian Zhao, João Miguel das Neves Duarte, Tagir Aushev, Hua Zhang, Alexis Kalogeropoulos, Chao Wang, Yixing Chen, Tian Cheng, Ioannis Papadopoulos, Valérie Scheurer, Meng Xiao, Wei Sun, Maren Tabea Meinhard, Qian Wang, Michele Bianco, Doohyun Kim, Varun Sharma, Jessica Prisciandaro, Joao Varela, Francesco Fiori, Sourav Sen, Ashish Sharma, Seungkyu Ha, David Vannerom, Csaba Hajdu, Sanjeev Kumar, Sebastiana Gianì, Kun Shi, Abhisek Datta, Miao Hu, Siyuan Wang, Peter Hansen, Muhammad Waqas, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

The CMS Phase-1 pixel detector upgrade

François Bianchi, Rakesh Chawla, Albert Perez, François Robert, Andrea Rizzi, Stefano Michelis, Tian Cheng, Qian Wang, Varun Sharma, Jessica Prisciandaro, Davide Ceresa, Francesco Fiori, David Vannerom, Abhisek Datta, Alessandro Caratelli, Simone Scarfì, Yong Yang, Matthias Weber, Kai Yi, Andromachi Tsirou, Georgios Anagnostou, Konstantin Androsov, Ajay Kumar, Werner Lustermann, Ali Harb, Giorgia Rauco, Davide Di Croce, Hui Wang, Xin Chen, Jing Li

The CMS detector at the CERN LHC features a silicon pixel detector as its innermost subdetector. The original CMS pixel detector has been replaced with an upgraded pixel system (CMS Phase-1 pixel detector) in the extended year-end technical stop of the LHC ...

2021

Beam test performance of prototype silicon detectors for the Outer Tracker for the Phase-2 Upgrade of CMS

François Bianchi, Albert Perez, François Robert, Andrea Rizzi, Stefano Michelis, Quentin Python, Tian Cheng, Meng Xiao, Qian Wang, Varun Sharma, Davide Ceresa, Francesco Fiori, David Vannerom, Abhisek Datta, Alessandro Caratelli, Simone Scarfì, Yong Yang, Matthias Weber, Kai Yi, Andromachi Tsirou, Georgios Anagnostou, Konstantin Androsov, Werner Lustermann, Ali Harb, Giorgia Rauco, Davide Di Croce, Hui Wang, Xin Chen

A new CMS tracker detector will be installed for operation at the High Luminosity LHC (HL-LHC). This detector comprises modules with two closely spaced parallel sensor plates and front-end ASICs capable of transmitting tracking information to the CMS Level ...

2020

The DAQ and control system for the CMS Phase-1 pixel detector upgrade

François Bianchi, Albert Perez, François Robert, Andrea Rizzi, Stefano Michelis, Quentin Python, Tian Cheng, Meng Xiao, Qian Wang, Varun Sharma, Davide Ceresa, Francesco Fiori, David Vannerom, Chia-Chun Chen, Abhisek Datta, Alessandro Caratelli, Simone Scarfì, Thomas Muller, Yong Yang, Matthias Weber, Kai Yi, Andromachi Tsirou, Georgios Anagnostou, Konstantin Androsov, Werner Lustermann, Ali Harb, Giorgia Rauco, Davide Di Croce, Hui Wang, Xin Chen

In 2017 a new pixel detector was installed in the CMS detector. This so-called Phase-1 pixel detector features four barrel layers in the central region and three disks per end in the forward regions. The upgraded pixel detector requires an upgraded data ac ...

2019

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Muhammad Ansar Iqbal

Viktor Khristenko

Muhammad Shoaib

Andromachi Tsirou

Georgios Anagnostou

Konstantin Androsov

Werner Lustermann

Ioannis Evangelou

Davide Di Croce

Leonardo Cristella

Ekaterina Kuznetsova

Results are presented from a search for CP violation in top quark pair production, using proton-proton collisions at a center-of-mass energy of 13TeV. The data used for this analysis consist of final states with two charged leptons collected by the CMS exp ...

Springer Nature2023

Muhammad Ansar Iqbal

Viktor Khristenko

Benjamin William Allen

Muhammad Shoaib

Andromachi Tsirou

Georgios Anagnostou

Konstantin Androsov

Werner Lustermann

Ioannis Evangelou

Davide Di Croce

Leonardo Cristella

Ekaterina Kuznetsova

The structure of nucleons is multidimensional and depends on the transverse momenta, spatial geometry, and polarization of the constituent partons. Such a structure can be studied using high-energy photons produced in ultraperipheral heavy-ion collisions. ...

Amer Physical Soc2023

Muhammad Ansar Iqbal

Viktor Khristenko

Benjamin William Allen

Muhammad Shoaib

Andromachi Tsirou

Georgios Anagnostou

Konstantin Androsov

Werner Lustermann

Ioannis Evangelou

Davide Di Croce

Leonardo Cristella

Ekaterina Kuznetsova

The first measurements of the Fourier coefficients (V-n Delta) of the azimuthal distributions of charged hadrons emitted from photon-proton (gamma p) interactions are presented. The data are extracted from 68.8nb(-1) of ultra-peripheral proton-lead (pPb) c ...

Elsevier2023

Muhammad Ansar Iqbal

Viktor Khristenko

Muhammad Shoaib

Andromachi Tsirou

Georgios Anagnostou

Konstantin Androsov

Werner Lustermann

Ioannis Evangelou

Davide Di Croce

Leonardo Cristella

Ekaterina Kuznetsova

A measurement is presented of the production of Z bosons that decay into two electrons or muons in association with jets, in proton-proton collisions at a center-of-mass energy of 13 TeV. The data were cross sections are measured as a function of the trans ...

American Physical Society2023

Dipanwita Dutta

Vladimir Petrov

Muhammad Ansar Iqbal

Viktor Khristenko

Benjamin William Allen

Muhammad Shoaib

Andromachi Tsirou

Georgios Anagnostou

Konstantin Androsov

Werner Lustermann

Ioannis Evangelou

Davide Di Croce

Leonardo Cristella

Ekaterina Kuznetsova

A search for leptoquarks produced singly and in pairs in proton-proton collisions is presented. We consider the leptoquark (LQ) to be a scalar particle of charge -1/3e coupling to a top quark plus a tau lepton (t tau) or a bottom quark plus a neutrino (b n ...

2021

Dipanwita Dutta

Vladimir Petrov

Muhammad Ansar Iqbal

Viktor Khristenko

Muhammad Shoaib

Andromachi Tsirou

Georgios Anagnostou

Konstantin Androsov

Werner Lustermann

Ioannis Evangelou

Davide Di Croce

Leonardo Cristella

Ekaterina Kuznetsova

A search for production of the supersymmetric partners of the top quark, top squarks, is presented. The search is based on proton-proton collision events containing multiple jets, no leptons, and large transverse momentum imbalance. The data were collected ...

American Physical Society2021

Dipanwita Dutta

Vladimir Petrov

Muhammad Ansar Iqbal

Viktor Khristenko

Benjamin William Allen

Muhammad Shoaib

Andromachi Tsirou

Georgios Anagnostou

Konstantin Androsov

Werner Lustermann

Ioannis Evangelou

Davide Di Croce

Leonardo Cristella

Ekaterina Kuznetsova

A search is performed for the rare decay W-+/--> pi(+/-)gamma in proton-proton collisions at root s = 13 TeV. Data corresponding to an integrated luminosity of 137 fb(-1) were collected during 2016 to 2018 with the CMS detector. This analysis exploits a no ...

2021

Vladimir Petrov

Muhammad Ansar Iqbal

Viktor Khristenko

Benjamin William Allen

Muhammad Shoaib

Andromachi Tsirou

Georgios Anagnostou

Konstantin Androsov

Werner Lustermann

Ioannis Evangelou

Davide Di Croce

Leonardo Cristella

Ekaterina Kuznetsova

The performance is presented of the reconstruction and identification algorithms for electrons and photons with the CMS experiment at the LHC. The reported results are based on proton-proton collision data collected at a center-of-mass energy of 13 TeV and ...

2021

Dipanwita Dutta

Vladimir Petrov

Muhammad Ansar Iqbal

Viktor Khristenko

Andromachi Tsirou

Georgios Anagnostou

Konstantin Androsov

Werner Lustermann

Ioannis Evangelou

Davide Di Croce

Leonardo Cristella

Ekaterina Kuznetsova

A fiducial cross section for W gamma production in proton-proton collisions is measured at a center-of-mass energy of 13 TeV in 137 fb(-1) of data collected using the CMS detector at the LHC. The W -> e nu and mu nu decay modes are used in a maximum-likeli ...

2021