613 research outputs found

    De literis graecis, ac diphthongis & que[m]admodu[m] ad nos veniant. De postestate literarum graecarum & quomodo quis per se discat legere graeca verba . [...] Abbreviationes quibus frequentissime graeci utuntur. Oratio Dominica & duplex salutatio ad Beatiss. Virginem. Symbolum Apostolorum. Evangelium divi Ioannis Evangelistae. Carmina Aurea Pythagorae. Procylidis poema ad bene, beate q[ue] vivendum. Omnia haec cum interpretatione latina. Introductio prebrevis ad hebraicam linguam

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    Copia digital. Madrid : Ministerio de Educación, Cultura y Deporte. Subdirección General de Coordinación Bibliotecaria, 2016Tít. tomado de la portadilla en sign. aa1Podría pertenecer a la ed. : Aldi Manutii Romani Institutionum grammaticarum libri quatuor . -- Venetiis : apud Aldum, 1508 . -- [212] p. -- Sign.: a-o8, p4, r-z8, aa8, bb4, aa-bb8, [ ]4(Cfr. ICCU : IT||ICCU||UM1E||008629Sign.: aa-bb8, [ ]

    Francisci Philippi Pedimontii Ecphrasis in Horatii artem poeticam

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    Copia digital. Madrid : Ministerio de Educación, Cultura y Deporte. Subdirección General de Coordinación Bibliotecaria, 2016Marca tip. en port.Impresores tomados del colofónSign.: A-P4, Q6Texto con apost. marg.Mayúsc. p. inic

    Francisci Luisini ... In librum Q. Horatii Flacci de Arte Poetica commentarius

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    Copia digital. Madrid : Ministerio de Educación, Cultura y Deporte. Subdirección General de Coordinación Bibliotecaria, 2016Datos de impresor tomados del colofón en r. de sign. Y3Marca tip. en port. y al finalSign.: A-Y4L. Cap. xil

    Evidence For The Production Of Slow Antiprotonic Hydrogen In Vacuum

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    We present evidence showing how antiprotonic hydrogen, the quasistable antiproton-proton (pbar-p) bound system, has been synthesized following the interaction of antiprotons with the hydrogen molecular ion (H2+) in a nested Penning trap environment. From a careful analysis of the spatial distributions of antiproton annihilation events, evidence is presented for antiprotonic hydrogen production with sub-eV kinetic energies in states around n=70, and with low angular momenta. The slow antiprotonic hydrogen may be studied using laser spectroscopic techniques.Comment: 5 pages with 4 figures. Published as Phys. Rev. Letters 97, 153401 (2006), in slightly different for

    Search for electron antineutrino interactions with the Borexino Counting Test Facility at Gran Sasso

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    Electron antineutrino interactions above the inverse beta decay energy of protons (E_\bar{\nu}_e>1.8) where looked for with the Borexino Counting Test Facility (CTF). One candidate event survived after rejection of background, which included muon-induced neutrons and random coincidences. An upper limit on the solar νˉe\bar{\nu}_{e} flux, assumed having the 8^8B solar neutrino energy spectrum, of 1.1×105\times10^{5} cm2^{-2}~s1^{-1} (90% C.L.) was set with a 7.8 ton ×\times year exposure. This upper limit corresponds to a solar neutrino transition probability, νeνˉe\nu_{e} \to \bar{\nu}_{e}, of 0.02 (90% C.L.). Predictions for antineutrino detection with Borexino, including geoneutrinos, are discussed on the basis of background measurements performed with the CTF.Comment: 10 pages, 9 figures, 5 table

    Cic. De officiis libri III ; Cato Maior vel de senectute ; Laelius vel de amicitia ...

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    Copia digital. Madrid : Ministerio de Educación, Cultura y Deporte. Subdirección General de Coordinación Bibliotecaria, 2016Marca tip. en port.Sign.: A8, b8, B-Z4, Aa8Texto con apost. marg

    Positron plasma diagnostics and temperature control for antihydrogen production

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    Production of antihydrogen atoms by mixing antiprotons with a cold, confined, positron plasma depends critically on parameters such as the plasma density and temperature. We discuss non-destructive measurements, based on a novel, real-time analysis of excited, low-order plasma modes, that provide comprehensive characterization of the positron plasma in the ATHENA antihydrogen apparatus. The plasma length, radius, density, and total particle number are obtained. Measurement and control of plasma temperature variations, and the application to antihydrogen production experiments are discussed.Comment: 5 pages, 4 figures, to be published in Phys. Rev. Let

    Detection of antihydrogen annihilations with a Si-micro-strip and pure CsI detector

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    In 2002, the ATHENA collaboration reported the creation and detection of cold (~15 K) antihydrogen atoms [1]. The observation was based on the complete reconstruction of antihydrogen annihilations, simultaneous and spatially correlated annihilations of an antiproton and a positron. Annihilation byproducts are measured with a cylindrically symmetric detector system consisting of two layers of double sided Si-micro-strip modules that are surrounded by 16 rows of 12 pure CsI crystals (13 x 17.5 x 17 mm^3). This paper gives a brief overview of the experiment, the detector system, and event reconstruction. Reference 1. M. Amoretti et al., Nature 419, 456 (2002).Comment: 7 pages, 5 figures; Proceedings for the 8th ICATPP Conference on Astroparticle, Particle, Space Physics, Detectors and Medical Physics Applications (Como, Italy October 2003) to be published by World Scientific (style file included

    Cold-Antimatter Physics

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    The CPT theorem and the Weak Equivalence Principle are foundational principles on which the standard description of the fundamental interactions is based. The validity of such basic principles should be tested using the largest possible sample of physical systems. Cold neutral antimatter (low-energy antihydrogen atoms) could be a tool for testing the CPT symmetry with high precision and for a direct measurement of the gravitational acceleration of antimatter. After several years of experimental efforts, the production of low-energy antihydrogen through the recombination of antiprotons and positrons is a well-established experimental reality. An overview of the ATHENA experiment at CERN will be given and the main experimental results on antihydrogen formation will be reviewed.Comment: Proceedings of the XLIII International Meeting on Nuclear Physics, Bormio (Italy), March 13-20 (2005). 10 pages, 4 figures, 1 tabl
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