Artificial Production of Fast Protons

Cockcroft, John; Walton, E. T. S.

doi:10.1038/129242a0

Cited by 45 publications

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“…The lithium disintegrated according to Equation (2). The energy released was described by Cockcroft and Walton (who shared the Nobel Prize in physics in 1951) thus:16 “The evolution of energy on this view is about sixteen million electron volts per disintegration, agreeing approximately with that to be expected from the decrease of atom mass involved in each disintegration.” …”

Section: The Trajectory Of Rutherford's Lifementioning

confidence: 88%

“…A new breed of research student arose in the persons of T. E. Allibone, P. Kapitsa, J. D. Cockcroft, and E. T. S. Walton, with engineering expertise, and they constructed accelerators capable of hurling protons and electrons with energies of several hundred thousand volts. The Cockcroft–Walton machine16 succeeded in disintegrating lithium atoms by so‐called “swift protons”. The lithium disintegrated according to Equation (2).…”

Section: The Trajectory Of Rutherford's Lifementioning

confidence: 99%

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Lord Rutherford (1871–1937): The Newton of the Atom and the Winner of the Nobel Prize for Chemistry, 1908

Thomas¹

2008

Angew Chem Int Ed

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Section: The Trajectory Of Rutherford's Lifementioning

confidence: 88%

Section: The Trajectory Of Rutherford's Lifementioning

confidence: 99%

Lord Rutherford (1871–1937): The Newton of the Atom and the Winner of the Nobel Prize for Chemistry, 1908

Thomas¹

2008

Angew Chem Int Ed

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“…O pré-acelerador Cockcroft-Walton [67] é o primeiro estágio na cadeia de aceleradores. Neste acelerador o gás hidrogênio é ionizado para criar íons negativos (H − ) e esses íons são acelerados por uma voltagem positiva até alcançarem uma energia de 750 KeV.…”

Section: Fonte De Prótonsunclassified

Diffractive J/Psi Production; Produção Difrativa de $J/psi$ no Experimento DØ

Jesus¹,

Carolina²

2007

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ResumoEste trabalho apresenta medidas de duas razões de produção difrativa envolvendo sabores pesados, através de um estudo em uma amostra reconstruída de AbstractThis work presents measurements of two diffractive production ratio for heavy flavour physics with the use of a reconstructed J/ψ → µ + µ − sample in pp collisions at √ s = 1.96 TeV using the DØ detector at Fermilab Tevatron. These events were selected using the Luminosity Monitor detectors, the calorimeter system and the muon system in a pseudo-rapidity region with range 2.7 ≤ |η| ≤ 4.4. The measured ratio were estimated to be AgradecimentosMeus agradecimentos especias para todos aqueles que contribuiram para tornar esse trabalho uma realidade, especialmente a todos aqueles que me orientaram durante este percurso e aos componentes da banca examinadora pelos comentários que muito acrescentaram ao trabalho.Agradeco à CAPES, ao CNPq e à FAPERJ pelo auxílio financeiro e à Pós-graduação em Física e ao Departamento de Física Nuclear e Altas Energias da UERJ pelo espaço e infra-estrutura disponibilizados.Finalizando, gostaria de agradecer aos meus amigos, familiares e ao Pieter pelo suporte essencial.Aos meus pais e a meu irmão.

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“…The Cockroft-Walton [95] pulsed ion source begins the sequence by converting gaseous H 2 molecules to H − ions, which are subsequently subjected to a 750-keV electric potential. The H − ions then enter a 150-m linear accelerator, or Linac, where they are accelerated to energies of 400 MeV by a sequence of drift-tube induced oscillating electric fields [96,97].…”

Section: The Fermilab Tevatron Pp Collidermentioning

confidence: 99%

A Study of Exclusive Nonleptonic Decays of $B$ Mesons into Final States of Strange Mesons and 1S or 2S Charmonia

Warburton¹

1998

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Bound states of heavy quarks can serve as a laboratory for inquiry into the behaviour of the fundamental strong and electroweak interactions. This thesis examines observations of B 0 , B 0 , and B ± mesons produced in proton-antiproton collisions at centre-of-mass energies of √ s = 1.8 TeV. The B-meson decay products are recorded using the Collider Detector at Fermilab (CDF) located on the Tevatron collider at the Fermi National Accelerator Laboratory in Batavia, Illinois, USA.Four B-meson decays and their charge conjugates are studied: The indicated uncertainties are statistical and systematic, respectively. In ratios involving unlike B-meson species, equal production rates for B + and B 0 mesons have been assumed.Absolute branching fractions are extracted by normalizing the above ratio measurements to the world-average value, B(B + → J/ψ K + ) = (1.01 ± 0.14) × 10 −3 :

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Artificial Production of Fast Protons

Cited by 45 publications

References 0 publications

Lord Rutherford (1871–1937): The Newton of the Atom and the Winner of the Nobel Prize for Chemistry, 1908

Lord Rutherford (1871–1937): The Newton of the Atom and the Winner of the Nobel Prize for Chemistry, 1908

Diffractive J/Psi Production; Produção Difrativa de $J/psi$ no Experimento DØ

A Study of Exclusive Nonleptonic Decays of $B$ Mesons into Final States of Strange Mesons and 1S or 2S Charmonia

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