Now showing items 1077-1136 of 1504

• #### Scaffolds to Control Inflammation and Facilitate Dental Pulp Regeneration ﻿

(2014)
In dentistry, the maintenance of a vital dental pulp is of paramount importance because teeth devitalized by root canal treatment may become more brittle and prone to structural failure over time. Advanced carious lesions ...
• #### Scaled laboratory experiments explain the kink behaviour of the Crab Nebula jet ﻿

(2016)
The remarkable discovery by the Chandra X-ray observatory that the Crab nebulaﾒs jet periodically changes direction provides a challenge to our understanding of astrophysical jet dynamics. It has been suggested that this ...
• #### Scaling properties of the plateau transitions in the two-dimensional hole gas system ﻿

(2016)
The behavior of phase coherence is studied in two-dimensional hole gas through the integer quantum Hall plateau-to-plateau transition. From the plateau transition as a function of temperature, scaling properties of multiple ...
• #### Scaling relationships and physics for mixed heating convection in planetary interiors: Isoviscous spherical shells ﻿

(2016)
We use a suite of 3-D numerical experiments to test and expand 2-D planar isoviscous scaling relationships of Moore (2008) for mixed heating convection in spherical geometry mantles over a range of Rayleigh numbers (Ra). ...
• #### Scanning-Ion Microscopy with Polarization Analysis (Simpa) ﻿

(1993)
We have developed a novel, high-resolution magnetic imaging technique, scanning-ion microscopy with polarization analysis (SIMP A). In SIMP A, a highly-focused, scanning Ga+ ion beam is used to excite spin-polarized electrons ...
• #### Scattering Spectra of Single Gold Nanoshells ﻿

(2004-11-04)
• #### A search for a doubly-charged Higgs boson in pp collisions at √s=7 TeV ﻿

(2012)
A search for a doubly-charged Higgs boson in pp collisions at √s=7 TeV is presented. The data correspond to an integrated luminosity of 4.9 fb−1, collected by the CMS experiment at the LHC. The search is performed using ...
• #### Search for a fermiophobic Higgs boson in pp collisions at √s=7 TeV ﻿

(2012)
Combined results are reported from searches for a fermiophobic Higgs boson in the γγ, WW, and ZZ decay modes in proton-proton collisions at √s=7 TeV. The explored Higgs boson mass range is 110–300 GeV. The data sample ...
• #### Search for a Higgs boson decaying into a b-quark pair and produced in association with b quarks in proton–proton collisions at 7 TeV ﻿

(2013)
A search for a neutral Higgs boson decaying to a pair of b quarks, and produced in association with at least one additional b quark, is presented. Multijet final states with three jets identified as originating from b ...
• #### Search for a Higgs boson decaying into a Z and a photon in pp collisions at √s=7 and 8 TeV ﻿

(2013)
A search for a Higgs boson decaying into a Z boson and a photon is described. The analysis is performed using proton–proton collision datasets recorded by the CMS detector at the LHC. Events were collected at center-of-mass ...
• #### Search for a Higgs boson in the decay channel H → ZZ(*) → q¯q ℓ − ℓ + in pp collisions at √s=7 TeV ﻿

(2012)
A search for the standard model Higgs boson decaying into two Z bosons with subsequent decay into a final state containing two quark jets and two leptons, H → ZZ(*) → qq¯¯¯ ℓ − ℓ + is presented. Results are based on data ...
• #### Search for a light charged Higgs boson in top quark decays in pp collisions at √s=7 TeV ﻿

(2012)
Results are presented on a search for a light charged Higgs boson that can be produced in the decay of the top quark t → H+b and which, in turn, decays into τ +ν τ . The analysed data correspond to an integrated luminosity ...
• #### Search for a Light Pseudoscalar Higgs Boson in the Dimuon Decay Channel in pp Collisions at √s=7  TeV ﻿

(2012)
The dimuon invariant mass spectrum is searched in the range between 5.5 and 14 GeV for a light pseudoscalar Higgs boson a, predicted in a number of new physics models, including the next-to-minimal supersymmetric standard ...
• #### Search for a narrow, spin-2 resonance decaying to a pair of Z bosons in the qq¯ℓ+ℓ− final state ﻿

(2013)
Results are presented from a search for a narrow, spin-2 resonance decaying into a pair of Z bosons, with one Z-boson decaying into leptons (e+e− or μ+μ−) and the other into jets. An example of such a resonance is the ...
• #### Search for a new bottomonium state decaying to ϒ(1S)π+π− in pp collisions at √s=8 TeV ﻿

(2013)
The results of a search for the bottomonium counterpart, denoted as Xb, of the exotic charmonium state X(3872) is presented. The analysis is based on a sample of pp collisions at √s=8 TeV collected by the CMS experiment ...
• #### Search for a non-standard-model Higgs boson decaying to a pair of new light bosons in four-muon final states ﻿

(2013)
Results are reported from a search for non-standard-model Higgs boson decays to pairs of new light bosons, each of which decays into the μ+μ− final state. The new bosons may be produced either promptly or via a decay chain. ...
• #### Search for a standard model-like Higgs boson in the μ+μ− and e+e− decay channels at the LHC ﻿

(2015)
A search is presented for a standard model-like Higgs boson decaying to the μ+μ− or e+e− final states based on proton–proton collisions recorded by the CMS experiment at the CERN LHC. The data correspond to integrated ...
• #### Search for a standard-model-like Higgs boson with a mass in the range 145 to 1000 GeV at the LHC ﻿

(2013)
A search for a standard-model-like Higgs boson in the H→WW and H→ZZ decay channels is reported, for Higgs boson masses in the range 145<m H<1000 GeV. The search is based upon proton–proton collision data samples corresponding ...
• #### Search for a Vectorlike Quark with Charge 2/3 in t+Z Events from pp Collisions at √s=7  TeV ﻿

(2011)
A search for pair-produced heavy vectorlike charge-2/3 quarks, T, in pp collisions at a center-of-mass energy of 7 TeV, is performed with the CMS detector at the LHC. Events consistent with the flavor-changing-neutral-current ...
• #### Search for a W′ boson decaying to a bottom quark and a top quark in pp collisions at √s=7 TeV ﻿

(2013)
Results are presented from a search for a W′ boson using a dataset corresponding to 5.0 fb−1 of integrated luminosity collected during 2011 by the CMS experiment at the LHC in pp collisions at √s=7 TeV. The W′ boson is ...
• #### Search for a W′ or Techni-ρ Decaying into WZ in pp Collisions at √s=7  TeV ﻿

(2012)
A search is performed in pp collisions at √s=7  TeV for exotic particles decaying via WZ to final states with electrons and muons. The data sample corresponds to an integrated luminosity of approximately 5  fb−1. No ...
• #### Search for anomalous production of events with three or more leptons in pp collisions at √s=8  TeV ﻿

(2014)
A search for physics beyond the standard model in events with at least three leptons is presented. The data sample, corresponding to an integrated luminosity of 19.5  fb−1 of proton-proton collisions with center-of-mass ...
• #### Search for anomalous production of highly boosted Z bosons decaying to μ+μ− in proton–proton collisions at √s=7 TeV ﻿

(2013)
Results are reported from a search for the anomalous production of highly boosted Z bosons with large transverse momentum and decaying to μ+μ−. Such Z bosons may be produced in the decays of new heavy particles. The search ...
• #### Search for anomalous production of multilepton events in pp collisions at √s=7TeV ﻿

(2012)
A search for anomalous production of events with three or more isolated leptons in pp collisions at √s=7TeV is presented. The data, corresponding to an integrated luminosity of 4.98 fb−1, were collected by the CMS experiment ...
• #### Search for anomalous t¯t production in the highly-boosted all-hadronic final state ﻿

(2012)
A search is presented for a massive particle, generically referred to as a Z′, decaying into a tt¯ pair. The search focuses on Z′ resonances that are sufficiently massive to produce highly Lorentz-boosted top quarks, which ...
• #### Search for B0s → μ + μ − and B0 → μ + μ − decays ﻿

(2012)
A search for the rare decays B0s → μ + μ − and B0 → μ + μ − is performed in pp collisions at √s=7TeV, with a data sample corresponding to an integrated luminosity of 5 fb−1 collected by the CMS experiment at the LHC. In ...
• #### Search for baryon number violation in top-quark decays ﻿

(2014)
A search for baryon number violation (BNV) in top-quark decays is performed using pp collisions produced by the LHC at √s=8 TeV. The top-quark decay considered in this search results in one light lepton (muon or electron), ...
• #### Search for charge-asymmetric production of W′W′ bosons in tt¯+jet events from pp collisions at √s=7 TeV ﻿

(2012)
A search is presented for charge-asymmetric production of a W′ boson that has been proposed to accommodate the forward–backward asymmetry observed in the production of top–antitop quark pairs at the Tevatron. The new heavy ...
• #### Search for charged Higgs bosons through the violation of lepton universality in t¯t events using pp collision data at ps = 7 TeV with the ATLAS experiment ﻿

(2013)
In several extensions of the Standard Model, the top quark can decay into a bottom quark and a light charged Higgs boson H+, t → bH+, in addition to the Standard Model decay t → bW. Since W bosons decay to the three lepton ...
• #### Search for contact interactions in μ+μ− events in pp collisions at √s=7  TeV ﻿

(2013)
Results are reported from a search for the effects of contact interactions using events with a high-mass, oppositely charged muon pair. The events are collected in proton-proton collisions at √s=7  TeV using the Compact ...
• #### Search for contact interactions using the inclusive jet pT spectrum in pp collisions at √s=7  TeV ﻿

(2013)
Results are reported of a search for a deviation in the jet production cross section from the prediction of perturbative quantum chromodynamics at next-to-leading order. The search is conducted using a 7 TeV proton-proton ...
• #### Search for dark matter and large extra dimensions in monojet events in pp collisions at √s=7 TeV ﻿

(2012)
A search has been made for events containing an energetic jet and an imbalance in transverse momentum using a data sample of pp collisions at a center-of-mass energy of 7 TeV. This signature is common to both dark matter ...
• #### Search for Dark Matter and Large Extra Dimensions in pp Collisions Yielding a Photon and Missing Transverse Energy ﻿

(2012)
Results are presented from a search for new physics in the final state containing a photon (γ) and missing transverse energy (E̸T). The data correspond to an integrated luminosity of 5.0  fb−1 collected in pp collisions ...
• #### Search for decays of stopped long-lived particles produced in proton–proton collisions at √s=8TeV ﻿

(2015)
A search has been performed for long-lived particles that could have come to rest within the CMS detector, using the time intervals between LHC beam crossings. The existence of such particles could be deduced from observation ...
• #### Search for disappearing tracks in proton-proton collisions at √s = TeV ﻿

(2015)
A search is presented for long-lived charged particles that decay within the CMS detector and produce the signature of a disappearing track. Disappearing tracks are identified as those with little or no associated calorimeter ...
• #### Search for Displaced Supersymmetry in Events with an Electron and a Muon with Large Impact Parameters ﻿

(2015)
A search for new long-lived particles decaying to leptons is presented using proton-proton collisions produced by the LHC at √s=8  TeV. Data used for the analysis were collected by the CMS detector and correspond to an ...
• #### Search for electroweak production of charginos and neutralinos using leptonic final states in pp collisions at √s=7 TeV ﻿

(2012)
The 2011 dataset of the CMS experiment, consisting of an integrated luminosity of 4.98 fb−1 of pp collisions at √s=7 TeV, enables expanded searches for direct electroweak pair production of charginos and neutralinos in ...
• #### Search for excited leptons in pp collisions at √s=7 TeV ﻿

(2013)
Results are presented of a search for compositeness in electrons and muons using a data sample of pp collisions at a center-of-mass energy √s=7 TeV collected with the CMS detector at the LHC and corresponding to an integrated ...
• #### Search for excited quarks in the γ+jet final state in proton–proton collisions at √s=8 TeV ﻿

(2014)
A search for excited quarks decaying into the γ+jet final state is presented. The analysis is based on data corresponding to an integrated luminosity of 19.7 fb−1 collected by the CMS experiment in proton–proton collisions ...
• #### Search for exclusive or semi-exclusive γγ production and observation of exclusive and semi-exclusive e+ e− production in pp collisions at √s=7 TeV ﻿

(2012)
A search for exclusive or semi-exclusive γγ production, pp → p(*) + γγ + p(*) (where p* stands for a diffractively-dissociated proton), and the observation of exclusive and semi-exclusive e+e− production, pp → p(*) + e+e− ...
• #### Search for exotic resonances decaying into WZ/ZZ in pp collisions at √s=7 TeV ﻿

(2013)
A search for new exotic particles decaying to the VZ final state is performed, where V is either a W or a Z boson decaying into two overlapping jets and the Z decays into a pair of electrons, muons or neutrinos. The analysis ...
• #### Search for flavor changing neutral currents in top quark decays in pp collisions at 7 TeV ﻿

(2013)
The results of a search for flavor changing neutral currents in top quark decays t→Zq in events with a topology compatible with the decay chain tt¯→Wb+Zq→ℓνb+ℓℓq are presented. The search is performed with a data sample ...
• #### Search for Flavor-Changing Neutral Currents in Top-Quark Decays t → Zq in pp Collisions at √s=8 TeV ﻿

(2014)
A search for flavor-changing neutral currents in top-quark decays t→Zq is performed in events produced from the decay chain tt¯→Zq+Wb, where both vector bosons decay leptonically, producing a final state with three leptons ...
• #### Search for fractionally charged particles in pp collisions at √s=7  TeV ﻿

(2013)
A search is presented for free heavy long-lived fractionally charged particles produced in pp collisions at √s=7  TeV. The data sample was recorded by the CMS detector at the LHC and corresponds to an integrated luminosity ...
• #### A search for giant planet companions to t tauri stars ﻿

(2012-12-05)
• #### A SEARCH FOR GIANT PLANET COMPANIONS TO T TAURI STARS ﻿

(2012)
We present results from an ongoing multiwavelength radial velocity (RV) survey of the Taurus–Auriga star-forming region as part of our effort to identify pre-main-sequence giant planet hosts. These 1–3 Myr old T Tauri stars ...
• #### Search for gluino mediated bottom- and top-squark production in multijet final states in pp collisions at 8 TeV ﻿

(2013)
A search for supersymmetry is presented based on events with large missing transverse energy, no isolated electron or muon, and at least three jets with one or more identified as a bottom-quark jet. A simultaneous examination ...
• #### Search for heavy bottom-like quarks in 4.9 fb−1 of pp collisions at √s=7 TeV ﻿

(2012)
Results are presented from a search for heavy bottom-like quarks, pair-produced in pp collisions at √s=7 TeV, undertaken with the CMS experiment at the LHC. The b′ quarks are assumed to decay exclusively to tW. The ...
• #### Search for heavy lepton partners of neutrinos in proton–proton collisions in the context of the type III seesaw mechanism ﻿

(2012)
A search is presented in proton–proton collisions at √s=7 TeV for fermionic triplet states expected in type III seesaw models. The search is performed using final states with three isolated charged leptons and an imbalance ...
• #### Search for heavy long-lived charged particles in pp collisions at √s=7 TeV ﻿

(2012)
The result of a search for heavy long-lived charged particles produced in pp collisions at √s=7 TeV at the LHC is described. The data sample has been collected using the CMS detector and corresponds to an integrated ...
• #### Search for heavy Majorana neutrinos in μ±μ±+jets and e±e±+jets events in pp collisions at √s=7 TeV ﻿

(2012)
A search is performed for heavy Majorana neutrinos (N) using an event signature defined by two same-sign charged leptons of the same flavour and two jets. The data correspond to an integrated luminosity of 4.98 fb−1 of pp ...
• #### Search for heavy narrow dilepton resonances in pp collisions at √s=7 TeV and √s=8 TeV ﻿

(2013)
An updated search for heavy narrow resonances decaying to muon or electron pairs using the CMS detector is presented. Data samples from pp collisions at √s=7 TeV and 8 TeV at the LHC, with integrated luminosities of up to ...
• #### Search for heavy neutrinos and W bosons with right-handed couplings in proton–proton collisions at √s=8TeV ﻿

(2014)
A search for heavy, right-handed neutrinos, Nℓ (ℓ=e,μ), and right-handed WR bosons, which arise in the left-right symmetric extensions of the standard model, has been performed by the CMS experiment. The search was based ...
• #### Search for heavy quarks decaying into a top quark and a W or Z boson using lepton + jets events in pp collisions at √s=7 TeV ﻿

(2013)
Results are presented from a search for the pair-production of heavy quarks, QQ¯¯¯¯, that decay exclusively into a top quark and a W or Z boson. The search is performed using a sample of proton-proton collisions at √s=7 ...
• #### Search for heavy resonances in the W/Z-tagged dijet mass spectrum in pp collisions at 7 TeV ﻿

(2013)
A search has been made for massive resonances decaying into a quark and a vector boson, qW or qZ, or a pair of vector bosons, WW, WZ, or ZZ, where each vector boson decays to hadronic final states. This search is based on ...
• #### Search for heavy, top-like quark pair production in the dilepton final state in pp collisions at √s=7 TeV ﻿

(2012)
The results of a search for pair production of a heavy, top-like quark, t′t′, in the decay mode t′t¯′→bW+b¯W−→bℓ+νb¯ℓ−ν¯ are presented. The search is performed with a data sample corresponding to an integrated luminosity ...
• #### Search for Higgs boson production in oppositely charged dilepton and missing energy events in pp¯ collisions at s√=1.96  TeV ﻿

(2012)
We present a search for the standard model Higgs boson using events with two oppositely charged leptons and large missing transverse energy as expected in H→WW decays. The events are selected from data corresponding to ...
• #### Search for high-mass resonances decaying into τ  -lepton pairs in pp collisions at √s=7 TeV ﻿

(2012)
A search for high-mass resonances decaying into τ+τ− is performed using a data sample of pp collisions at √s=7 TeV. The data were collected with the CMS detector at the LHC and correspond to an integrated luminosity of 4.9 ...
• #### Search for invisible decays of Higgs bosons in the vector boson fusion and associated ZH production modes ﻿

(2014)
A search for invisible decays of Higgs bosons is performed using the vector boson fusion and associated ZH production modes. In the ZH mode, the Z boson is required to decay to a pair of charged leptons or a bb¯ quark pair. ...
• #### Search for jet extinction in the inclusive jet-pT spectrum from proton-proton collisions at √s=8  TeV ﻿

(2014)
The first search at the LHC for the extinction of QCD jet production is presented, using data collected with the CMS detector corresponding to an integrated luminosity of 10.7  fb−1 of proton-proton collisions at a ...