Browsing Natural and Mathematical Sciences by Title
Now showing items 480-499 of 1083
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A new boson with a mass of 125 GeV observed with the CMS experiment at the large hadron collider
(American Association for the Advancement of Science, 2012-12-21)The Higgs boson was postulated nearly five decades ago within the framework of the standard model of particle physics and has been the subject of numerous searches at accelerators around the world. Its discovery would ... -
A new calibration method for charm jet identification validated with proton-proton collision events at √s = 13 TeV
(IOP Publishing, 2022-03-17)Many measurements at the LHC require efficient identification of heavy-flavour jets, i.e. jets originating from bottom (b) or charm (c) quarks. An overview of the algorithms used to identify c jets is described and a novel ... -
A new era of modeling MOF-based membranes: Cooperation of theory and data science
(Wiley, 2024-01)Membrane-based separation can offer significant energy savings over conventional separation methods. Given their highly customizable and porous structures, metal–organic frameworks- (MOFs) are considered as next-generation ... -
Nuclear effects on the transverse momentum spectra of charged particles in pPb collisions at root s(NN)=5.02 TeV
(Springer Nature, 2015-05)Transverse momentum spectra of charged particles are measured by the CMS experiment at the CERN LHC in pPb collisions at sNN−−−√=5.02sNN=5.02 TeVTeV , in the range 0.4<pT<1200.4<pT<120 GeV/cGeV/c and pseudorapidity ... -
Nuclear modification of Y states in pPb collisions at √sNN = 5.02 TeV
(Elsevier, 2022-12-10)Production cross sections of [Formula presented], [Formula presented], and [Formula presented] states decaying into [Formula presented] in proton-lead (pPb) collisions are reported using data collected by the CMS experiment ... -
Numerical computation of solitary wave solutions of the Rosenau equation
(Elsevier, 2020-11)We construct numerically solitary wave solutions of the Rosenau equation using the Petviashvili iteration method. We first summarize the theoretical results available in the literature for the existence of solitary wave ... -
Observation of t ¯ t H production
(American Physical Society, 2018-06-04)The observation of Higgs boson production in association with a top quark-antiquark pair is reported, based on a combined analysis of proton-proton collision data at center-of-mass energies of root s = 7, 8, and 13 TeV, ... -
Observation of a diffractive contribution to dijet production in proton-proton collisions at root s = 7 TeV
(American Physical Society, 2013-01-08)The cross section for dijet production in proton-proton collisions at root s = 7 TeV is presented as a function of (xi) over tilde, a variable that approximates the fractional momentum loss of the scattered proton in ... -
Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC
(Elsevier, 2012-09-17)Results are presented from searches for the standard model Higgs boson in proton-proton collisions at root s = 7 and 8 TeV in the Compact Muon Solenoid experiment at the LHC, using data samples corresponding to integrated ... -
Observation of a new boson with mass near 125 GeV in pp collisions at root s=7 and 8 TeV
(Springer Science+Business Media, 2013-06)A detailed description is reported of the analysis used by the CMS Collaboration in the search for the standard model Higgs boson in pp collisions at the LHC, which led to the observation of a new boson. The data sample ... -
Observation of a new excited beauty strange baryon decaying to Ξb- π+π-
(American Physical Society, 2021-06-25)The Ξb-π+π- invariant mass spectrum is investigated with an event sample of proton-proton collisions at s=13 TeV, collected by the CMS experiment at the LHC in 2016-2018 and corresponding to an integrated luminosity of 140 ... -
Observation of a new Xi(b) baryon
(American Physical Society, 2012-06-22)The observation of a new b baryon via its strong decay into Xi(-)(b)pi(+) (plus charge conjugates) is reported. The measurement uses a data sample of pp collisions at root s = 7 TeV collected by the CMS experiment at the ... -
Observation of a peaking structure in the J/psi phi mass spectrum from B-+/- -> J/psi phi K-+/- decays
(Elsevier, 2014-06-27)A peaking structure in the J/psi phi mass spectrum near threshold is observed in B-+/- -> J/psi phi K-+/- decays, produced in pp collisions at root s = 7 TeV collected with the CMS detector at the LHC. The data sample, ... -
Observation of B0 → ψ (2S)K0Sπ+π− and B0s → ψ (2S)K0S decays
(Springer, 2022-05-31) -
Observation of B0 s mesons and measurement of the B0 s /B+ yield ratio in PbPb collisions at √snn = 5.02 TeV
(Elsevier, 2022-06-10)The Bs 0 and B+ production yields are measured in PbPb collisions at a center-of-mass energy per nucleon pair of 5.02 TeV. The data sample, collected with the CMS detector at the LHC, corresponds to an integrated luminosity ... -
Observation of charge-dependent azimuthal correlations in p-Pb collisions and its implication for the search for the chiral magnetic effect
(APS, 2017)Charge-dependent azimuthal particle correlations with respect to the second-order event plane in p−Pb and PbPb collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV have been studied with the CMS experiment at ... -
Observation of electroweak production of Wγwith two jets in proton-proton collisions at √s=13 TeV
(Elsevier, 2020-12-10)A first observation is presented for the electroweak production of a W boson, a photon, and two jets in proton-proton collisions. The W boson decays are selected by requiring one identified electron or muon and an imbalance ... -
Observation of forward neutron multiplicity dependence of dimuon acoplanarity in ultraperipheral Pb-Pb collisions at √sNN = 5.02 TeV
(American Physical Society, 2021-09-17)The first measurement of the dependence of γγ→μ+μ- production on the multiplicity of neutrons emitted very close to the beam direction in ultraperipheral heavy ion collisions is reported. Data for lead-lead interactions ... -
Observation of gamma(1S) pair production in proton-proton collisions at root s=8 TeV
(Springer International Publishing , 2017)Pair production of gamma(1S) mesons is observed at the LHC in proton-proton collisions at root s = 8 TeV by the CMS experiment in a data sample corresponding to an integrated luminosity of 20.7 fb(-1). Both gamma(1S) ... -
Observation of higgs boson decay to bottom quarks
(American Physical Society, 2018-09-17)The observation of the standard model (SM) Higgs boson decay to a pair of bottom quarks is presented. The main contribution to this result is from processes in which Higgs bosons arc produced in association with a W or Z ...
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