Navegação Ciências Exatas e da Terra por Título
Resultados 4159-4178 de 5964
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A produção ecológica nos assentamentos rurais no Rio Grande do Sul
(2021) [Artigo de periódico]Há muitas décadas a luta pela terra representa uma temática de grande polêmica no Brasil. No entanto, além da luta pela conquista da terra, há também a luta pela inclusão sócio econômica dos assentados. Isto porque após a ... -
Production of and K0S in jets in p–Pb collisions at √sNN = 5.02 TeV and pp collisions at √s =7 TeV
(2022) [Artigo de periódico]The production of baryons and K0 S mesons (V0 particles) was measured in p–Pb collisions at √sNN = 5.02 TeV and pp collisions at √s = 7 TeV with ALICE at the LHC. The production of these strange particles is studied ... -
Production of (anti-)3He and (anti-)3H in p-Pb collisions at √sNN = 5.02 TeV
(2020) [Artigo de periódico]The transverse momentum (pT) differential yields of (anti-)3He and (anti-)3H measured in p-Pb collisions at √sNN = 5.02 TeV with ALICE at the Large Hadron Collider (LHC) are presented. The ratios of the pT-integrated yields ... -
Production of charged pions, kaons, and (anti-)protons in Pb-Pb and inelastic pp collisions at √ s N N = 5.02 TeV
(2020) [Artigo de periódico]Midrapidity production of π ± , K ± , and ( ¯ p ) p measured by the ALICE experiment at the CERN Large Hadron Collider, in Pb-Pb and inelastic p p collisions at √ s N N = 5.02 TeV, is presented. The invariant yields are ... -
Production of deuterons, tritons, 3He nuclei, and their antinuclei in pp collisions at √s = 0.9, 2.76, and 7 TeV
(2018) [Artigo de periódico]Invariant differential yields of deuterons and antideuterons in pp collisions at √s = 0.9, 2.76 and 7 TeV and the yields of tritons, 3He nuclei, and their antinuclei at √ s = 7 TeV have been measured with the ALICE detector ... -
Production of K0 S , Λ (Λ), Ξ±, and Ω± in jets and in the underlying event in pp and p–Pb collisions
(2023) [Artigo de periódico]The production of strange hadrons (K0 S , Λ, Ξ ±, and Ω ±), baryon-to-meson ratios (Λ/K0 S , Ξ/K0 S , and Ω/K0 S ), and baryon-to-baryon ratios (Ξ/Λ, Ω/Λ, and Ω/Ξ) associated with jets and the underlying event were measured ... -
Production of K*(892)0 and φ(1020) in pp and Pb-Pb collisions at √sNN = 5.02 TeV
(2022) [Artigo de periódico]The production of K*(892)0 and φ(1020) mesons in proton–proton (pp) and lead–lead (Pb–Pb) collisions at √sNN = 5.02 TeV has been measured using the ALICE detector at the Large Hadron Collider (LHC). The transverse momentum ... -
Production of light (anti)nuclei in pp collisions at √s = 5.02 TeV
(2022) [Artigo de periódico]The study of the production of nuclei and antinuclei in pp collisions has proven to be a powerful tool to investigate the formation mechanism of loosely bound states in high-energy hadronic collisions. In this paper, the ... -
Production of light-flavor hadrons in pp collisions at √s=7 and √s=13 TeV
(2021) [Artigo de periódico]The production of π ± , K ± , K S 0 , K ∗ (892) 0 , p , ϕ (1020) , Λ , Ξ - , Ω - , and their antiparticles was measured in inelastic proton–proton (pp) collisions at a center-of-mass energy of s = 13 TeV at midrapidity ( ... -
Production of muons from heavy-flavour hadron decays at high transverse momentum in Pb–Pb collisions at √sNN=5.02 and 2.76 TeV
(2021) [Artigo de periódico]Measurements of the production of muons from heavy-flavour hadron decays in Pb–Pb collisions at √sNN = 5.02 and 2.76 TeV using the ALICE detector at the LHC are reported. The nuclear modification factor RAA at √sNN = 5.02 ... -
Production of muons from heavy-flavour hadron decays in p–Pb collisions at √sNN=5.02TeV
(2017) [Artigo de periódico]The production of muons from heavy-flavour hadron decays in p–Pb collisions at √sNN=5.02TeVwas studied for 2 <pT<16GeV/cwith the ALICE detector at the CERN LHC. The measurement was performed at forward (p-going direction) ... -
Production of muons from heavy-flavour hadron decays in pp collisions at √s= 5.02 TeV
(2019) [Artigo de periódico]Production cross sections of muons from semi-leptonic decays of charm and beauty hadrons were measured at forward rapidity (2.5 < y < 4) in proton-proton (pp) collisions at a centre-of-mass energy √s= 5.02 TeV with the ... -
Production of pions, kaons, and protons as a function of the relative transverse activity classifier in pp collisions at √s = 13 TeV
(2023) [Artigo de periódico]Abstract: The production of π ±, K±, and (p)p is measured in pp collisions at √ s = 13 TeV in different topological regions of the events. Particle transverse momentum (pT) spectra are measured in the “toward”, “transverse”, ... -
Production of pions, kaons, (anti-)protons and φ mesons in Xe–Xe collisions at √sNN = 5.44 TeV
(2021) [Artigo de periódico]The first measurement of the production of pions, kaons, (anti-)protons and φ mesons at midrapidity in Xe–Xe collisions at √sNN = 5.44 TeV is presented. Trans verse momentum (pT) spectra and pT-integrated yields are extracted ... -
Production of Sigma (1385) ± and Xi (1530)0 in p–Pb collisions at √ sNN = 5.02 TeV
(2017) [Artigo de periódico]The transverse momentum distributions of the strange and double-strange hyperon resonances ( (1385) ±, (1530)0) produced in p–Pb collisions at √ sNN = 5.02 TeV were measured in the rapidity range −0.5 < yCMS < 0 for event ... -
Production of Λ+c baryons in proton-proton and lead-lead collisions at √snn = 5.02 TeV
(2020) [Artigo de periódico]The transverse momentum (pT) spectra of inclusively produced Λ+c baryons are measured via the exclusive decay channel Λ+c pK ¯π+ using the CMS detector at the LHC. Spectra are measured as a function of transverse momentum ... -
Production of π0 and η mesons up to high transverse momentum in pp collisions at 2.76 TeV
(2017) [Artigo de periódico]The invariant differential cross sections for inclusive π0 and η mesons at midrapidity were measured in pp collisions at √ s = 2.76 TeV for transverse momenta 0.4 < pT < 40 GeV/c and 0.6 < pT < 20 GeV/c, respectively, using ... -
Production of ω mesons in pp collisions at √s=7 TeV
(2020) [Artigo de periódico]The invariant differential cross section of inclusive ω(782) meson production at midrapidity (|y|<0.5) in pp collisions at s√=7TeV was measured with the ALICE detector at the LHC over a transverse momentum range of ... -
O professor de Física na escola pública estadual brasileira : desigualdades reveladas pelo Censo escolar de 2018
(2020) [Artigo de periódico]Este texto aborda o tema da distribuição de professores de Física em atuação nas escolas públicas estaduais brasileiras. Os microdados do Censo escolar de 2018 foram utilizados como fonte de dados. Metodologicamente ... -
Professores de hoje, alunos de ontem... : (dificuldades com alguns conceitos-chave sobre fluidos)
(2004) [Artigo de periódico]O texto trata de dificuldades conceituais que alunos e professores de Ciências e de Física apresentam na área da mecânica dos fluídos e sugere uma estratégia de ensino baseada em experimentos muitos fáceis de realizar como ...