Search Results - "Reis, AC"
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1
Dalitz Plot Analysis of the Decay D + → K − π + π + and Indication of a Low-Mass Scalar K π Resonance
Published in Physical review letters (16-09-2002)Get full text
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2
Experimental evidence for a light and broad scalar resonance in D(+) --> pi(-)pi(+)pi(+) decay
Published in Physical review letters (29-01-2001)“…From a sample of 1172 +/- 61 D(+)-->pi(-)pi(+)pi(+) decays, we find gamma(D(+)-->pi(-)pi(+)pi(+))/gamma(D(+)-->K-pi(+)pi(+)) = 0.0311 +/-…”
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3
Charm system tests of CPT and Lorentz invariance with FOCUS
Published in Physics letters. B (13-03-2003)“…We have performed a search for CPT violation in neutral charm meson oscillations. While flavor mixing in the charm sector is predicted to be small by the…”
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4
Sunscreen use and intentional exposure to ultraviolet A and B radiation: a double blind randomized trial using personal dosimeters
Published in British journal of cancer (01-11-2000)“…A previous randomized trial found that sunscreen use could extend intentional sun exposure, thereby possibly increasing the risk of cutaneous melanoma. In a…”
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5
Search for T violation in charm meson decays
Published in Physics letters. B (01-09-2005)“…Using data from the FOCUS (E831) experiment, we have searched for T violation in charm meson decays using the four-body decay channels D0→K−K+π−π+,…”
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6
Direct measurement of the pion valence-quark momentum distribution, the pion light-cone wave function squared
Published in Physical review letters (21-05-2001)“…We present the first direct measurements of the pion valence-quark momentum distribution which is related to the square of the pion light-cone wave function…”
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Dalitz plot analysis of D+s and D+ decay to π+π-π+ using the K-matrix formalism
Published in Physics letters. B (15-04-2004)Get full text
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8
Levels of Anxiety and Salivary Alpha-Amylase in Children During Restorative Dental Treatment
Published in Pesquisa brasileira em odontopediatria e clínica integrada (01-01-2016)Get full text
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9
Observation of color-transparency in diffractive dissociation of pions
Published in Physical review letters (21-05-2001)“…We have studied the diffractive dissociation into dijets of 500 GeV/c pions scattering coherently from carbon and platinum targets. Extrapolating to…”
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10
Evidence for new interference phenomena in the decay D+→ K−π+μ+ν
Published in Physics letters. B (23-05-2002)“…Using a large sample of charm semileptonic decays collected by the FOCUS photoproduction experiment at Fermilab, we present evidence for a small, even spin K −…”
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11
Analysis of surface hardness of artificially aged resin composites
Published in Materials research (São Carlos, São Paulo, Brazil) (01-01-2012)“…This study evaluated the effect of artificially accelerated aging (AAA) on the surface hardness of eight composite resins: Filtek Z250, Filtek Supreme, 4…”
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12
A measurement of lifetime differences in the neutral D-meson system
Published in Physics letters. B (13-07-2000)“…Using a high statistics sample of photoproduced charm particles from the FOCUS experiment at Fermilab, we compare the lifetimes of neutral D mesons decaying…”
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13
Quality of birth care in maternity hospitals of Rio de Janeiro, Brazil
Published in Revista de saúde pública (01-08-2005)“…To evaluate the quality of birth care based on the World Health Organization guidelines. A case-control study was carried out in a public and a private…”
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Effects of isopulegol in acute nociception in mice: Possible involvement of muscarinic receptors, opioid system and l-arginine/NO/cGMP pathway
Published in Chemico-biological interactions (25-09-2018)“…Previous studies have shown that isopulegol has anxiolytic, anticonvulsant, gastro-protective and antioxidant activities in rodents, but until now there are no…”
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Preparation of Magnetite Nanoparticles in Mesoporous Copolymer Template
Published in Nano letters (01-02-2001)“…Preparation of size-controllable magnetite (Fe3O4) nanoparticles by alkaline oxidation of ferrous ion adsorbed in sulfonated mesoporous styrene−divinylbenzene…”
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Measurement of the doubly Cabibbo suppressed decay D 0 → K + π − and a search for charm mixing
Published in Physics letters. B (07-07-2005)Get full text
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Search for a strongly decaying neutral charmed pentaquark
Published in Physics letters. B (01-09-2005)“…We present a search for a charmed pentaquark decaying strongly to D(∗)−p. Finding no evidence for such a state, we set limits on the cross-section times…”
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18
Application of genetic programming to high energy physics event selection
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-10-2005)“…We review genetic programming principles, their application to FOCUS data samples, and use the method to study the doubly Cabibbo suppressed decay D + → K + π…”
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Cherenkov particle identification in FOCUS
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-05-2002)“…We describe the algorithm used to identify charged tracks in the fixed-target charm-photoproduction experiment FOCUS. We begin by describing the new algorithm…”
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Measurements of Lifetimes and a Limit on the Lifetime Difference in the Neutral D -Meson System
Published in Physical review letters (05-07-1999)Get full text
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