Physics & Astronomy Scholarly Works: Recent submissions
Now showing items 41-60 of 1745
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First-principles surface energies for monoclinic Ga2O3 and Al2O3 and consequences for cracking of (AlxGa1−x)2O3
(American Institute of Physics, 2020-09-09)Crack formation limits the growth of (AlxGa1−x)2O3 epitaxial films on Ga2O3 substrates. We employ first-principles calculations to determine the brittle fracture toughness of such films for three growth orientations of the ... -
First-principles calculations of hyperfine interaction, binding energy, and quadrupole coupling for shallow donors in silicon
(Nature Research, 2020-11-27)Spin qubits based on shallow donors in silicon are a promising quantum information technology with enormous potential scalability due to the existence of robust silicon-processing infrastructure. However, the most accurate ... -
Measurement of tt¯ normalised multi-differential cross sections in pp collisions at √s=13TeV, and simultaneous determination of the strong coupling strength, top quark pole mass, and parton distribution functions
(SpringerOpen, 2020-07-22)Normalised multi-differential cross sections for top quark pair (tt¯) production are measured in proton-proton collisions at a centre-of-mass energy of 13TeV using events containing two oppositely charged leptons. The ... -
Remodeler Catalyzed Nucleosome Repositioning: Influence of Structure and Stability
(MDPI, 2020-12-23)The packaging of the eukaryotic genome into chromatin regulates the storage of genetic information, including the access of the cell’s DNA metabolism machinery. Indeed, since the processes of DNA replication, translation, ... -
Reinterpretation of LHC Results for New Physics: Status and recommendations after Run 2
(SciPost, 2020-08-21)We report on the status of efforts to improve the reinterpretation of searches and measurements at the LHC in terms of models for new physics, in the context of the LHC Reinterpretation Forum. We detail current experimental ... -
The motivation and status of two-body resonance decays after the LHC Run 2 and beyond
(Springer, 2020-04-06)Searching for two-body resonance decays is a central component of the high energy physics energy frontier research program. While many of the possibilities are covered when the two bodies are Standard Model (SM) particles, ... -
Search for physics beyond the standard model in events with jets and two same-sign or at least three charged leptons in proton-proton collisions at √s=13TeV
(SpringerOpen, 2020-08-18)A data sample of events from proton-proton collisions with at least two jets, and two isolated same-sign or three or more charged leptons, is studied in a search for signatures of new physics phenomena. The data correspond ... -
Study of central exclusive π + π − production in proton-proton collisions at √s=5.02 and 13TeV
(SpringerOpen, 2020-08-10)Central exclusive and semiexclusive production of pairs is measured with the CMS detector in proton-proton collisions at the LHC at center-of-mass energies of 5.02 and 13TeV. The theoretical description of these nonperturbative ... -
Erratum to: Study of dijet events with a large rapidity gap between the two leading jets in pp collisions at √s=7TeV
(SpringerOpen, 2020-05-18)Events with no charged particles produced between the two leading jets are studied in proton–proton collisions at s√=7 TeV. The jets were required to have transverse momentum pjetT>40 GeV and pseudorapidity 1.5<|ηjet|<4.7, ... -
Measurement of differential cross sections and charge ratios for t-channel single top quark production in proton–proton collisions at √s=13 TeV
(SpringerOpen, 2020-05-06)A measurement is presented of differential cross sections for t-channel single top quark and antiquark production in proton–proton collisions at a centre-of-mass energy of 13TeV by the CMS experiment at the LHC. From a ... -
Mixed higher-order anisotropic flow and nonlinear response coefficients of charged particles in PbPb collisions at √sNN=2.76 and 5.02TeV
(SpringerOpen, 2020-06-13)Anisotropies in the initial energy density distribution of the quark-gluon plasma created in high energy heavy ion collisions lead to anisotropies in the azimuthal distributions of the final-state particles known as ... -
A multi-dimensional search for new heavy resonances decaying to boosted W W , W Z , or Z Z boson pairs in the dijet final state at 13 TeV
(SpringerOpen, 2020-03-12)A search in an all-jet final state for new massive resonances decaying to W W , W Z , or Z Z boson pairs using a novel analysis method is presented. The analysis is performed on data corresponding to an integrated ... -
Search for direct pair production of supersymmetric partners to the τ lepton in proton–proton collisions at √s=13TeV
(SpringerOpen, 2020-03-02)A search is presented for τ slepton pairs produced in proton–proton collisions at a center-of-mass energy of 13TeV. The search is carried out in events containing two τ leptons in the final state, on the assumption that ... -
Search for production of four top quarks in final states with same-sign or multiple leptons in proton–proton collisions at √s=13 TeV
(SpringerOpen, 2020-01-31)The standard model (SM) production of four top quarks (tt¯tt¯) in proton–proton collisions is studied by the CMS Collaboration. The data sample, collected during the 2016–2018 data taking of the LHC, corresponds to an ... -
Measurement of electroweak production of a W boson in association with two jets in proton–proton collisions at √s=13TeV
(SpringerOpen, 2020-01-18)A measurement is presented of electroweak (EW) production of a W boson in association with two jets in proton–proton collisions at s√=13TeV. The data sample was recorded by the CMS Collaboration at the LHC and corresponds ... -
Evidence for WW production from double-parton interactions in proton–proton collisions at √s=13TeV
(SpringerOpen, 2020-01-17)A search for WW production from double-parton scattering processes using same-charge electron-muon and dimuon events is reported, based on proton-proton collision data collected at a center-of-mass energy of 13TeV. The ... -
Extraction and validation of a new set of CMS PYTHIA8 tunes from underlying-event measurements
(SpringerOpen, 2020-01-03)New sets of CMS underlying-event parameters (“tunes”) are presented for the PYTHIA8 event generator. These tunes use the NNPDF3.1 parton distribution functions (PDFs) at leading (LO), next-to-leading (NLO), or next-to-ne ... -
Searches for physics beyond the standard model with the MT2 variable in hadronic final states with and without disappearing tracks in proton–proton collisions at √s=13TeV
(SpringerOpen, 2020-01-03)Two related searches for phenomena beyond the standard model (BSM) are performed using events with hadronic jets and significant transverse momentum imbalance. The results are based on a sample of proton–proton collisions ... -
Measurements of production cross sections of WZ and same-sign WW boson pairs in association with two jets in proton-proton collisions at √s = 13 TeV
(Elsevier, 2020-10-10)Measurements of production cross sections of WZ and same-sign WW boson pairs in association with two jets in proton-proton collisions at √s = 13 TeV at the LHC are reported. The data sample corresponds to an integrated ... -
Measurement of CKM matrix elements in single top quark t-channel production in proton-proton collisions at √s = 13 TeV
(Elsevier, 2020-09-10)The first direct, model-independent measurement is presented of the modulus of the Cabibbo–Kobayashi–Maskawa (CKM) matrix elements |Vtb |, |Vtd |, and |Vts |, in final states enriched in single top quark t-channel events. ...