Browsing Natural and Mathematical Sciences by Title
Now showing items 185-204 of 1083
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Identification of heavy, energetic, hadronically decaying particles using machine-learning techniques
(IOP Publishing, 2020-06)Machine-learning (ML) techniques are explored to identify and classify hadronic decays of highly Lorentz-boosted W/Z/Higgs bosons and top quarks. Techniques without ML have also been evaluated and are included for comparison. ... -
Identification techniques for highly boosted W bosons that decay into hadrons
(Springer Nature, 2014-10)A search for neutral Higgs bosons in the minimal supersymmetric extension of the standard model (MSSM) decaying to tau-lepton pairs in pp collisions is performed, using events recorded by the CMS experiment at the LHC. The ... -
Impact of a thermal medium on newly observed Zcs(3985) resonance and its b-partner
(Springer, 2022-05-17)Motivated by the very recent discovery of the strange hidden-charm exotic state Zcs(3985) by the BESIII Collaboration, we study the possible interpretation of this exotic state the both at T= 0 and T≠ 0. We analytically ... -
In the pursuit of X(5568) and its charmed partner
(Jagellonian University, 2019-09)The recent observation by the D empty set Collaboration of the first tetraquark candidate with four different quark flavors (u, d, s and b) in the B-s(0)pi(+/-) channel having a narrow structure has still not been confirmed ... -
In-medium modification of dijets in PbPb collisions at √sNN = 5.02 TeV
(Springer, 2021-05-14)Modifications to the distribution of charged particles with respect to high transverse momentum (pT) jets passing through a quark-gluon plasma are explored using the CMS detector. Back-to-back dijets are analyzed in lead-lead ... -
Inclusive and differential cross section measurements of single top quark production in association with a Z boson in proton-proton collisions at s√ = 13 TeV
(Springer, 2022-02-14)Inclusive and differential cross sections of single top quark production in association with a Z boson are measured in proton-proton collisions at a center-of-mass energy of 13 TeV with a data sample corresponding to an ... -
Inclusive and differential measurements of the t(t)over-bar charge asymmetry in proton-proton collisions root s=7 TeV
(Elsevier, 2012-10-22)The t (t) over bar charge asymmetry is measured in events containing a charged lepton (electron or muon) and at least four jets, one of which is identified as originating from b-quark hadronization. The analyzed dataset ... -
Inclusive and differential measurements of the tt charge asymmetry in pp collisions at √s=8 TeV
(Elsevier, 2016-06-10)The tt charge asymmetry is measured in proton–proton collisions at a centre-of-mass energy of 8 TeV. The data, collected with the CMS experiment at the LHC, correspond to an integrated luminosity of 19.7 fb−1. Selected ... -
Inclusive nonresonant multilepton probes of new phenomena at √s = 13 TeV
(American Physical Society, 2022-06-14)An inclusive search for nonresonant signatures of beyond the standard model (SM) phenomena in events with three or more charged leptons, including hadronically decaying τ leptons, is presented. The analysis is based on a ... -
Inclusive search for a vector-like T quark with charge 2/3 in pp collisions at root s=8 TeV
(Elsevier, 2014-02-05)A search is performed for a massive new vector-like quark T, with charge View the MathML source, that is pair produced together with its antiparticle in proton–proton collisions. The data were collected by the CMS experiment ... -
Inclusive search for highly boosted Higgs bosons decaying to bottom quark-antiquark pairs in proton-proton collisions at s√ = 13 TeV
(Springer Nature, 2020-12-11)A search for standard model Higgs bosons (H) produced with transverse momentum (pT) greater than 450 GeV and decaying to bottom quark-antiquark pairs (b b ¯) is performed using proton-proton collision data collected by the ... -
Inclusive search for supersymmetry in pp collisions at s√ = 13 TeV using razor variables and boosted object identification in zero and one lepton final states
(Springer Nature, 2019-03-06)An inclusive search for supersymmetry (SUSY) using the razor variables is performed using a data sample of proton-proton collisions corresponding to an integrated luminosity of 35.9 fb(-1), collected with the CMS experiment ... -
Inclusive search for supersymmetry using razor variables in pp collisions at root s=7 TeV
(American Physical Society, 2013-08-23)An inclusive search is presented for new heavy particle pairs produced in root s = 7 TeV proton-proton collisions at the LHC using 4.7 +/- 0.1 fb(-1) of integrated luminosity. The selected events are analyzed in the 2D ... -
Inclusive search for supersymmetry using razor variables in pp collisions at √s=13 TeV
(American Physical Society, 2017-01-06)An inclusive search for supersymmetry using razor variables is performed in events with four or more jets and no more than one lepton. The results are based on a sample of proton-proton collisions corresponding to an ... -
Independently randomized symmetric policies are optimal for exchangeable stochastic teams with infinitely many decision makers
(IEEE, 2020-12-14)We study stochastic team (known also as decentralized stochastic control or identical interest stochastic game) problems with large or countably infinite number of decision makers, and characterize existence and structural ... -
Instability and stability properties of traveling waves for the double dispersion equation
(Elsevier, 2016-03)In this article we are concerned with the instability and stability properties of traveling wave solutions of the double dispersion equation View the MathML source for View the MathML source, View the MathML source. The ... -
Interpretation of searches for supersymmetry with simplified models
(American Physical Society, 2013-09-23)The results of searches for supersymmetry by the CMS experiment are interpreted in the framework of simplified models. The results are based on data corresponding to an integrated luminosity of 4.73 to 4.98 fb(-1). The ... -
Investigating the structure of X(4140) in QCD
(EDP Sciences, 2017)In this work, the masses of the ground states coupling to molecular or tetraquark currents with JPC = 0++, 1++, 2++ are studied to investigate the structure of X(4140) exotic meson observed at J/ψφ invariant mass spectrum. ... -
Investigating the violation of charge-parity symmetry through top-quark chromoelectric dipole moments by using machine learning techniques
(Jagiellonian University, 2023)There are a number of studies in the literature on the search for Charge- Parity (CP) violating signals in top-quark productions at the LHC. In most of these studies, ChromoMagnetic Dipole Moments (CMDM) and ChromoElectric ... -
Investigation into the event-activity dependence of ϒ(nS) relative production in proton-proton collisions at s√ = 7 TeV
(Springer Nature, 2020-11-02)The ratios of the production cross sections between the excited gamma(2S) and gamma(3S) mesons and the gamma(1S) ground state, detected via their decay into two muons, are studied as a function of the number of charged ...
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