Search Results - "Knecht, N.S."
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The BaBar detector: Upgrades, operation and performance
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-11-2013)“…The BaBar detector operated successfully at the PEP-II asymmetric e+e− collider at the SLAC National Accelerator Laboratory from 1999 to 2008. This report…”
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The e + e − → 3 ( π + π − ) , 2 ( π + π − π 0 ) and K + K − 2 ( π + π − ) cross sections at center-of-mass energies from production threshold to 4.5 GeV measured with initial-state radiation
Published in Physical review. D, Particles, fields, gravitation, and cosmology (01-03-2006)Get full text
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Search for lepton flavor violation in the decay τ± → μ± γ
Published in Physical review letters (22-07-2005)“…A search for the nonconservation of lepton flavor number in the decay tau(+/-)->mu(+/-)gamma has been performed using 2.07 x 10(8) e(+)e(-)->tau(+)tau(-)…”
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Amplitude analysis of the decay B ± → π ± π ± π
Published in Physical review. D, Particles, fields, gravitation, and cosmology (01-09-2005)Get full text
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Observation of CP Violation in $B^0 \to K^+\pi^-$ and $B^0 \to \pi^+\pi^-
Published in Physical review letters (13-07-2007)“…We report observations of CP violation in the decays B0 -> K+pi- and B0 -> pi+pi- in a sample of 383 million Y4S -> BBbar events. We find 4372 +/- 82 B0 ->…”
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Measurement of the direct CP asymmetry in b-->s gamma Decays
Published in Physical review letters (09-07-2004)“…We describe a measurement of the direct CP asymmetry between inclusive b-->s gamma and b-->s gamma decays. This asymmetry is expected to be less than 0.01 in…”
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Measurement of the Branching Fraction and Photon Energy Moments of $B \to X_s \gamma$ and $A_{cp}(B \to X_{s+d} \gamma)
Published in Physical review letters (27-10-2006)“…The photon spectrum in B -> X_s gamma decay, where X_s is any strange hadronic state, is studied using a data sample of 88.5 million e+e- -> Upsilon(4S) ->…”
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Search for the Rare Decay B → π l + l
Published in Physical review letters (30-07-2007)“…We have performed a search for the flavor-changing neutral-current decays B → π ℓ + ℓ − , where ℓ + ℓ − is either e + e − or μ + μ − , using a sample of 230 ×…”
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Search for B + → τ + ν
Published in Physical review. D, Particles, fields, gravitation, and cosmology (18-09-2007)“…We present a search for the decay B + → τ + ν using 383 × 10 6 B ¯¯¯ B pairs collected at the Υ ( 4 S ) resonance with the BABAR detector at the SLAC PEP-II B…”
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Measurement of branching fractions and charge asymmetries for exclusive B decays to charmonium
Published in Physical review letters (15-04-2005)“…We report measurements of branching fractions and charge asymmetries of exclusive decays of neutral and charged B mesons into two-body final states containing…”
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Search for direct production of charginos and neutralinos in events with three leptons and missing transverse momentum in s=7 TeVpp collisions with the ATLAS detector
Published in Physics letters. B (08-01-2013)“…A search for the direct production of charginos and neutralinos in final states with three electrons or muons and missing transverse momentum is presented. The…”
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Measurement of the WW cross section in s=7 TeVpp collisions with the ATLAS detector and limits on anomalous gauge couplings
Published in Physics letters. B (12-06-2012)“…This Letter reports a measurement of the WW production cross section in s=7 TeVpp collisions using data corresponding to an integrated luminosity of 1.02 fb−1…”
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Precision measurement of the Λ c + baryon mass
Published in Physical review. D, Particles, fields, gravitation, and cosmology (01-09-2005)Get full text
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Search for diphoton events with large missing transverse momentum in 1 fb−1 of 7 TeV proton–proton collision data with the ATLAS detector
Published in Physics letters. B (20-04-2012)“…A search for diphoton events with large missing transverse momentum has been performed using 1.07 fb−1 of proton–proton collision data at s=7 TeV recorded with…”
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Search for a heavy gauge boson decaying to a charged lepton and a neutrino in 1 fb−1 of pp collisions at s=7 TeV using the ATLAS detector
Published in Physics letters. B (03-11-2011)“…The ATLAS detector at the LHC is used to search for high-mass states, such as heavy charged gauge bosons (W′), decaying to a charged lepton (electron or muon)…”
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Search for a heavy gauge boson decaying to a charged lepton and a neutrino in 1 fb−1 of pp collisions at s=7 TeV using the ATLAS detector
Published in Physics letters. B (01-11-2011)“…The ATLAS detector at the LHC is used to search for high-mass states, such as heavy charged gauge bosons (W'), decaying to a charged lepton (electron or muon)…”
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Search for the Standard Model Higgs boson in the decay channel H→ZZ(⁎)→4ℓ with the ATLAS detector
Published in Physics letters. B (01-11-2011)“…A search for the Standard Model Higgs boson in the decay channel H→ZZ(*)→ℓ+ℓ-ℓ'+ℓ'-, where ℓ=e,μ, is presented. Proton–proton collision data at s=7TeV recorded…”
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