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Related papers: Studies of Drell-Yan dimuon events in the CMS expe…

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The Compressed Baryonic Matter (CBM) experiment at the future Facility for Antiproton and Ion Research (FAIR) in Darmstadt is designed to investigate the properties of high-density QCD matter with multi-differential measurements of hadrons…

Nuclear Experiment · Physics 2021-06-01 Anna Senger , Peter Senger

Production of electroweak bosons, heavy quarks and jets in proton-proton collisions probe different aspects of QCD and are sensitive to the details of proton structure, expressed by parton distribution functions (PDFs). Precise measurements…

High Energy Physics - Experiment · Physics 2019-08-13 Saranya Ghosh

Using data from a recent reanalysis of neutron structure functions extracted from inclusive proton and deuteron deep-inelastic scattering (DIS), we re-examine the constraints on the shape of the $\bar d-\bar u$ asymmetry in the proton at…

High Energy Physics - Phenomenology · Physics 2020-01-31 A. Accardi , C. E. Keppel , S. Li , W. Melnitchouk , J. F. Owens

We explore the possibility of utilizing the prompt muon fluxes at very high energies in order to discriminate various models/parametrizations of low-x QCD behaviour of hadronic cross-sections relevant at such energies. We find that the pair…

High Energy Physics - Phenomenology · Physics 2007-05-23 Namit Mahajan , Sukanta Panda

The capabilities of the CMS detector at the LHC will be described for measuring high-pT hadrons, photons and jets in heavy ion collisions. Detailed simulations of various studies planned with the CMS apparatus, including charged particle…

Nuclear Experiment · Physics 2019-08-13 Gábor I. Veres

We discuss the sensitivity of theoretical predictions of observables used in searches for new physics to parton distributions (PDFs) at large momentum fraction $x$. Specifically, we consider the neutral-current Drell-Yan production of gauge…

High Energy Physics - Phenomenology · Physics 2023-01-18 Richard D. Ball , Alessandro Candido , Stefano Forte , Felix Hekhorn , Emanuele R. Nocera , Juan Rojo , Christopher Schwan

Measurements of Underlying Event activity using proton-proton collision data collected by the CMS detector will be presented. To check the energy dependence of the underlying event activity, results are compared with previous measurements…

High Energy Physics - Experiment · Physics 2017-11-10 Rajat Gupta

We study the prospects for observing double parton scattering through four-muon final states, forming two opposite-sign muon pairs, in the LHCb experiment in pp collisions at 14 TeV centre of mass energy. We consider two special cases,…

High Energy Physics - Phenomenology · Physics 2015-05-30 C. H. Kom , A. Kulesza , W. J. Stirling

Transverse spin physics is an important part of the scientific programme of the COMPASS experiment at CERN. The analysis of the data taken with the target polarized orthogonally to the 160 GeV/c muon beam momentum has allowed to measure for…

High Energy Physics - Experiment · Physics 2008-11-26 F. Bradamante

The pixel detector of the Compact Muon Solenoid experiment consists of three barrel layers and two disks for each endcap. The detector was installed in summer 2008, commissioned with charge injections, and operated in the 3.8 T magnetic…

Instrumentation and Detectors · Physics 2012-08-27 CMS Collaboration

We calculate the transverse momentum distribution of low-mass Drell-Yan pairs in QCD perturbation theory with all-order resummation. We demonstrate that the transverse momentum distribution of low-mass Drell-Yan pairs is an advantageous…

High Energy Physics - Phenomenology · Physics 2009-11-10 George Fai , Jianwei Qiu , Xiaofei Zhang

A new highly sensitive method of looking for electric dipole moments of charged particles in storage rings is described. The major systematic errors inherent in the method are addressed and ways to minimize them are suggested. It seems…

High Energy Physics - Experiment · Physics 2009-01-22 F. J. M. Farley , K. Jungmann , J. P. Miller , W. M. Morse , Y. F. Orlov , B. L. Roberts , Y. K. Semertzidis , A. Silenko , E. J. Stephenson

Precision determinations of Standard Model (SM) Electro-Weak (EW) parameters at the Large Hadron Collider (LHC) are dominated by uncertainties due to Parton Distribution Functions (PDFs). Reweighting and profiling techniques are routinely…

High Energy Physics - Phenomenology · Physics 2021-05-26 Juri Fiaschi , Francesco Giuli , Francesco Hautmann , Stefano Moretti

One of the important objectives of the COMPASS experiment is the exploration of transverse spin structure of nucleon via spin (in)dependent azimuthal asymmetries in semi-inclusive deep inelastic scattering (SIDIS) of polarized leptons (and…

High Energy Physics - Experiment · Physics 2015-06-23 Bakur Parsamyan

As part of the DESY summer student program 2021, transverse momentum dependent (TMD) parton distributions obtained from the Parton Branching (PB) method were combined with next-to-leading-order (NLO) using the POWHEG method. Computations of…

We show an interesting correlation between the recent high precision measurement of the $W$-boson mass by the CDF collaboration and the muon $(g-2)$ anomaly in the context of the two Higgs doublet model. One-loop diagrams involving the…

High Energy Physics - Phenomenology · Physics 2022-09-16 K. S. Babu , Sudip Jana , Vishnu P. K.

Studies of the performance of the CMS drift tube barrel muon system are described, with results based on data collected during the CMS Cosmic Run at Four Tesla. For most of these data, the solenoidal magnet was operated with a central field…

Instrumentation and Detectors · Physics 2012-08-27 The CMS Collaboration

Muons can serve as probes to precisely determine fundamental parameters of the Standard Model or search for `new physics'. The high intensity muon beams at the Paul Scherrer Institut (PSI) allow for precision measurements and searches for…

Nuclear Experiment · Physics 2010-02-25 Bernhard Lauss

We propose a large-area, cost-effective Muon Telescope Detector (MTD) for the Solenoidal Tracker at RHIC (STAR) at mid-rapidity and for the next generation of detectors at a possible electron-ion collider. We utilize Multi-gap Resistive…

We review the results on the bottomonium system from the CMS experiment at the Large Hadron Collider. Measurements have been carried out at different center-of-mass energies in proton collisions and in collisions involving heavy ions. These…

High Energy Physics - Experiment · Physics 2017-08-10 Zhen Hu , Nuno T. Leonardo , Tiehui Ted Liu , Maksat Haytmyradov