Now showing items 26860-26879 of 58299

• #### Measurement of the relative prompt production rate of χ c2 and χ c1 in pp collisions at √s=7 TeV ﻿

(2012)
A measurement is presented of the relative prompt production rate of χ c2 and χ c1 with 4.6 fb−1 of data collected by the CMS experiment at the LHC in pp collisions at √s=7 TeV. The two states are measured via their radiative ...
• #### Measurement of the semileptonic charge asymmetry in B0 meson mixing with the D0 detector ﻿

(2012)
We present a measurement of the semileptonic mixing asymmetry for B0 mesons, ad sl, using two independent decay channels: B0 ! þD X, with D ! Kþ ; and B0 ! þD X, with D ! D0 , D0 ! Kþ (and charge conjugate ...
• #### Measurement of the single-top-quark t -channel cross section in pp collisions at √s=7 TeV ﻿

(2012)
A measurement of the single-top-quark t-channel production cross section in pp collisions at √s=7 TeV with the CMS detector at the LHC is presented. Two different and complementary approaches have been followed. The first ...

(1949)
• #### Measurement of the sum ofWW and WZ production with W+dijet events in pp collisions at √ s = 7 TeV ﻿

(2013)
A measurement of the inclusive WW+WZ diboson production cross section in proton–proton collisions is reported, based on events containing a leptonically decaying √W boson and exactly two jets. The data sample, collected ...
• #### Measurement of the t-channel single-top-quark production cross section and of the |V tb| CKM matrix element in pp collisions at √s = 8 TeV ﻿

(2014)
Measurements are presented of the t-channel single-top-quark production cross section in proton-proton collisions at √s= 8 TeV. The results are based on a data sample corresponding to an integrated luminosity of 19.7 fb−1 ...
• #### Measurement of the top-quark mass in all-jets tt events in pp collisions at √s=7 TeV ﻿

(2014)
The mass of the top quark is measured using a sample of tt candidate events with at least six jets in the final state. The sample is selected from data collected with the CMS detector in pp collisions at √s=7 TeV in 2011 ...
• #### Measurement of the top-quark mass in t¯t events with dilepton final states in pp collisions at √s=7 TeV ﻿

(2012)
The top-quark mass is measured in proton-proton collisions at √s=7 TeV using a data sample corresponding to an integrated luminosity of 5.0 fb−1 collected by the CMS experiment at the LHC. The measurement is performed in ...
• #### Measurement of the top-quark mass in t¯t events with lepton+jets final states in pp collisions at √s=7 TeV ﻿

(2012)
The mass of the top quark is measured using a sample of tt¯ candidate events with one electron or muon and at least four jets in the final state, collected by CMS in pp collisions at √s=7 TeV at the LHC. A total of 5174 ...
• #### Measurement of the total biological oxygen demand by mass culture aeration ﻿

(1963)
Development of the field of environmental engineering has long been impeded by the lack of a quick, accurate method of measuring the biochemically oxidizable organic content of waste waters. Such a test is important to the ...
• #### Measurement of the trapping rate constants and product studies of quinone derivative inhibitors with alpha-phenethyl radicals ﻿

(2009)
Polymerization of olefins such as styrene, one of many industrially important monomers, is a troublesome problem during storage, transportation and processing. The problem is attenuated by addition of polymerization ...
• #### Measurement of the trapping rate constants and product studies of quinone derivative inhibitors with phenethyl radicals ﻿

(2007)
Styrene is one of many industrially important monomers. Polymerization of unsaturated monomers such as styrene is a troublesome problem during storage, transportation and processing. The problem is attenuated by addition ...
• #### Measurement of the triple-differential cross section for photon + jets production in proton-proton collisions at √s = 7 TeV ﻿

(2014)
A measurement of the triple-differential cross section, d3σ/(dpγTdηγdηjet) , in photon + jets final states using a data sample from proton-proton collisions at √s = 7 TeV is presented. This sample corresponds to an integrated ...
• #### Measurement of the tt¯ production cross section in pp collisions at √s=7 TeV with lepton + jets final states ﻿

(2013)
A measurement of the tt¯ production cross section in pp collisions at √s=7 TeV is presented. The results are based on data corresponding to an integrated luminosity of 2.3 fb−1 collected by the CMS detector at the LHC. ...
• #### Measurement of the tt¯ production cross section in pp collisions at √s=7  TeV in dilepton final states containing a τ ﻿

(2012)
The top quark pair production cross section is measured in dilepton events with one electron or muon, and one hadronically decaying τ lepton from the decay tt¯→(ℓνℓ)(τhντ)bb¯, (ℓ=e,μ). The data sample corresponds to an ...
• #### Measurement of the tt¯ production cross section in pp collisions at √s=8 TeV in dilepton final states containing one τ lepton ﻿

(2014)
The top-quark pair production cross section is measured in final states with one electron or muon and one hadronically decaying τ lepton from the process tt¯→(ℓνℓ)(τντ)bb¯, where ℓ=e,μℓ=e,μ. The data sample corresponds ...
• #### Measurement of the tt¯ production cross section in the τ +jets channel in pp collisions at √s=7 TeV ﻿

(2012)
The top-quark pair production cross section in 7 TeV center-of-mass energy proton–proton collisions is measured using data collected by the CMS detector at the LHC. The measurement uses events with one jet identified as a ...
• #### Measurement of the t¯t production cross section in the all-jet final state in pp collisions at √s=7 TeV ﻿

(2013)
A measurement is presented of the tt¯ production cross section (σtt¯) in proton-proton collisions at a centre-of-mass energy of 7 TeV, in the all-jet final state that contains at least six jets, two of which are tagged as ...
• #### Measurement of the t¯t production cross section in the dilepton channel in pp collisions at √s = 8 TeV ﻿

(2014)
The top-antitop quark (tt¯) production cross section is measured in proton-proton collisions at √s = 8 TeV with the CMS experiment at the LHC, using a data sample corresponding to an integrated luminosity of 5.3 fb−1. The ...
• #### Measurement of the underlying event activity in pp collisions at √s=0.9 and 7 TeV with the novel jet-area/median approach ﻿

(2012)
The first measurement of the charged component of the underlying event using the novel “jet-area/median” approach is presented for proton-proton collisions at centre-of-mass energies of 0.9 and 7 TeV. The data were recorded ...