18 Result(s)
within
A. Hahn
Classical and Quantum Gravitation, Relativity Theory
Elementary Particles, Quantum Field Theory
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Open AccessErratum: Search for anomalous \( t\overline{t} \) production in the highly-boosted all-hadronic final state
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Open AccessMeasurement of jet fragmentation into charged particles in pp and PbPb collisions at \( \sqrt{{{s_{\mathrm{NN}}}}} = 2.76 \) TeV
Jet fragmentation in pp and PbPb collisions at a centre-of-mass energy of 2.76 TeV per nucleon pair was studied using data collected with the CMS detector at the LHC. Fragmentation functions are constructed us...
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Open AccessSearch for anomalous \( t\overline t \) production in the highly-boosted all-hadronic final state
A search is presented for a massive particle, generically referred to as a Z′, decaying into a \( {\mathrm{t}}\overline {\mathrm{t}} \) ...
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Open AccessSearch for new physics in events with same-sign dileptons and b-tagged jets in pp collisions at \( \sqrt {s} = 7 \) TeV
A search for new physics is performed using isolated same-sign dileptons with at least two b-quark jets in the final state. Results are based on a 4.98 fb−1 sample of proton-proton collisions at a centre-of-mass ...
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Open AccessSearch for leptonic decays of W′ bosons in pp collisions at \( \sqrt {s} = {7} \) TeV
A search for a new heavy gauge boson W′ decaying to an electron or muon, plus a low mass neutrino, is presented. This study uses data corresponding to an integrated luminosity of 5.0 fb−1, collected using the CMS...
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Open AccessSearch for anomalous production of multilepton events in pp collisions at \( \sqrt {s} = 7\,TeV \)
A search for anomalous production of events with three or more isolated leptons in pp collisions at \( \sqrt {s} = 7\,TeV \) is p...
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Open AccessMeasurement of the mass difference between top and antitop quarks
A measurement of the mass difference between the top and the antitop quark (Δm t = m t − ...
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Open AccessSearch for heavy bottom-like quarks in 4.9 fb−1 of pp collisions at \( \sqrt {s} = 7 \) TeV
Results are presented from a search for heavy bottom-like quarks, pair-produced in pp collisions at \( \sqrt {s} = 7 \) TeV, unde...
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Open AccessSearch for \( {\text{B}}_{\text{s}}^0 \) → μ + μ − and B0 → μ + μ − decays
A search for the rare decays \( {\text{B}}_{\text{s}}^0 \) → μ + μ − and B0 → μ ...
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Open AccessStrange particle production in pp collisions at \( \sqrt {s} = 0.9 \) and 7 TeV
The spectra of strange hadrons are measured in proton-proton collisions, recorded by the CMS experiment at the CERN LHC, at centre-of-mass energies of 0.9 and 7 TeV. The
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Open AccessMeasurement of Bose-Einstein correlations in pp collisions at \( \sqrt {s} = 0.9 \) and 7 TeV
Bose-Einstein correlations between identical particles are measured in samples of proton-proton collisions at 0.9 and 7 TeV centre-of-mass energies, recorded by the CMS experiment at the LHC. The signal is obs...
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Open AccessMeasurement of \( {\text{B}}\overline {\text{B}} \) angular correlations based on secondary vertex reconstruction at \( \sqrt {s} = 7\,{\text{TeV}} \)
A measurement of the angular correlations between beauty and anti-beauty hadrons ( \( {\text{B}}\overline {\text{B}} \) )...
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Open AccessInclusive b-hadron production cross section with muons in pp collisions at \( \sqrt {s} = 7\;{\text{TeV}} \)
A measurement of the b-hadron production cross section in proton-proton collisions at \( \sqrt {s} = 7\;{\text{TeV}} \)
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Open AccessSearch for heavy stable charged particles in pp collisions at \( \sqrt {s} = 7\;{\text{TeV}} \)
The result of a search at the LHC for heavy stable charged particles produced in pp collisions at \( \sqrt {s} = 7\;{\text{TeV}} \) ...
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Open AccessMeasurements of inclusive W and Z cross sections in pp collisions at \( \sqrt {s} = 7 \) TeV
Measurements of inclusive W and Z boson production cross sections in pp collisions at \( \sqrt {s} = 7 \) TeV are prese...
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Open AccessCharged particle multiplicities in pp interactions at \( \sqrt {s} = 0.9 \) , 2.36, and 7 TeV
Measurements of primary charged hadron multiplicity distributions are presented for non-single-diffractive events in proton-proton collisions at centre-of-mass energies of
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Open AccessObservation of long-range, near-side angular correlations in proton-proton collisions at the LHC
Results on two-particle angular correlations for charged particles emitted in proton-proton collisions at center-of-mass energies of 0.9, 2.36, and 7 TeV are presented, using data collected with the CMS detect...
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Open AccessTransverse-momentum and pseudorapidity distributions of charged hadrons in pp collisions at \(\sqrt{s} = 0.9 \) and 2.36 TeV
Measurements of inclusive charged-hadron transverse-momentum and pseudorapidity distributions are presented for proton-proton collisions at ...
