Walter Blum – författare
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9 produkter
9 produkter
Inbunden, Engelska, 2008
1 744 kr
Skickas inom 10-15 vardagar
A drift chamber is an apparatus for measuring the space coordinates of the trajectory of a charged particle. This is achieved by detecting the ionization electrons produced by the charged particle in the gas of the chamber and by measuring their drift times and arrival positions on sensitive electrodes. When the multiwire proportional chamber, or ‘Charpak chamber’ as we used to call it, was introduced in 1968, its authors had already noted that the time of a signal could be useful for a coordinate determination, and rst studies with a drift ch- ber were made by Bressani, Charpak, Rahm and Zupanci c in 1969. When the rst operational drift-chamber system with electric circuitry and readout was built by Walenta, Heintze and Schurlein ¨ in 1971, a new instrument for particle experiments had appeared. A broad study of the behaviour of drifting electrons in gases began in laboratories where there was interest in the detection of particles.
E-bok
PDF, Engelska, 20082 130 kr
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A drift chamber is an apparatus for measuring the space coordinates of the trajectory of a charged particle. This is achieved by detecting the ionization electrons produced by the charged particle in the gas of the chamber and by measuring their drift times and arrival positions on sensitive electrodes. When the multiwire proportional chamber, or ‘Charpak chamber’ as we used to call it, was introduced in 1968, its authors had already noted that the time of a signal could be useful for a coordinate determination, and rst studies with a drift ch- ber were made by Bressani, Charpak, Rahm and Zupanci c in 1969. When the rst operational drift-chamber system with electric circuitry and readout was built by Walenta, Heintze and Schurlein ¨ in 1971, a new instrument for particle experiments had appeared. A broad study of the behaviour of drifting electrons in gases began in laboratories where there was interest in the detection of particles.
Häftad, Engelska, 2010
1 744 kr
Skickas inom 10-15 vardagar
A drift chamber is an apparatus for measuring the space coordinates of the trajectory of a charged particle. This is achieved by detecting the ionization electrons produced by the charged particle in the gas of the chamber and by measuring their drift times and arrival positions on sensitive electrodes. When the multiwire proportional chamber, or ‘Charpak chamber’ as we used to call it, was introduced in 1968, its authors had already noted that the time of a signal could be useful for a coordinate determination, and rst studies with a drift ch- ber were made by Bressani, Charpak, Rahm and Zupanci c in 1969. When the rst operational drift-chamber system with electric circuitry and readout was built by Walenta, Heintze and Schurlein ¨ in 1971, a new instrument for particle experiments had appeared. A broad study of the behaviour of drifting electrons in gases began in laboratories where there was interest in the detection of particles.
Häftad, Tyska, 2014
768 kr
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This second Series A volume of Werner Heisenberg's Collected Works covers a period of about 15 years beginning with the early papers on quantum field theory in 1929/30 and ending with those on the scattering matrix (up to 1946). The reader will find Heisenberg contributions to Dirac's theory of the electron, to nuclear physics, to cosmic ray phenomena, and to reactor physics. The papers on the Uranium Project, classified for a long time and never fully published before, will certainly attract a wide audience. As in the first volume, each group of papers is furnished with an introduction in English by an eminent scientist. The contributing scientists are: R. Haag, A. Pais, C.F. von Weizsäcker, E. Bagge, K. Wirtz, and R. Oehme.
E-bok
PDF, Tyska, 2013794 kr
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Häftad, Tyska, 2011
819 kr
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Werner Heisenberg is one of the greatest scientists of our century. His work extends over a period of fifty years, ranging from turbulence theory, the establishment of quantum mechanics, its fundamental applications in atomic and solid state physics, to the theory of cosmic ray phenomena and of elementary particles. He recognized early the epistemological significance of the new discoveries. He was able to place the radical changes in the foundation of physics of this century in the historical context of natural philosophy. His thoughts on language as the medium to grasp scientific truth, artistic truth, religious truth, truth in general, reached many auditors and readers, scientists as well as non-scientists. In the 75 years of his life the political and social structure of his home country, of Europe and the world over underwent drastic changes.He grew up in Imperial Germany, made his great contributions to quantum mechanics during the period of the Weimar Republic and was engaged in nuclear physics when the potentates of the Third Reich tried to discredit relativity and quantum theory as "degenerate" science; in World War II he participated in the German effort to develop a nuclear reactor. After the war, he devoted himself mainly to the physics of elementary particles. In addition, he acted in many official capacities: for the promotion of research, the reconstruction of science in the Federal Republic of Germany, and the advancement of international collabora- tion.
E-bok
PDF, Tyska, 2019433 kr
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This is the final volume of Heisenberg''s Collected Works. Itcontains his papers on a (nonlinear) unified theory ofelementary particles, as well as his contribution tosuperconductivity and multiparticle production. Especiallyinteresting is the first group of papers, which is splitintotwo sections dealing with, firstly, the formulation ofthe famous nonlinear spinor equation and, secondly,itsapplications. Among others the reader willfind a thoroughdiscussion of Heisenberg''s collaboration with W. Pauli onthese matters. Illuminating annotations to the varioussections in this volume have been provided by H. Koppe, R.Hagedorn and the editors.
Häftad, Tyska, 2014
768 kr
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This is the final volume of Heisenberg's Collected Works. Itcontains his papers on a (nonlinear) unified theory ofelementary particles, as well as his contribution tosuperconductivity and multiparticle production. Especiallyinteresting is the first group of papers, which is splitintotwo sections dealing with, firstly, the formulation ofthe famous nonlinear spinor equation and, secondly,itsapplications. Among others the reader willfind a thoroughdiscussion of Heisenberg's collaboration with W. Pauli onthese matters. Illuminating annotations to the varioussections in this volume have been provided by H. Koppe, R.Hagedorn and the editors.
E-bok
PDF, Engelska, 20131 140 kr
Läs direkt efter köp
A drift chamber is an apparatus for measuring the space coordinates of the trajectory of a charged particle. This is achieved by detecting the ionization electrons produced by the charged particle in the gas of the chamber and by measuring their drift times and arrival positions on sensitive electrodes. When the multiwire proportional chamber, or ''Charpak cham ber'' as we used to call it, was introduced in 1968, its authors had already noted that the time of a signal could be useful for a coordinate determination, and first studies with a drift chamber were made by Bressani, Charpak, Rahm and ZupanCic in 1969. When the first operational drift-chamber system with electric circuitry and readout was built by Walenta, Heintze and Schiirlein in 1971, a new instrument for particle experiments had appeared. A broad study of the behaviour of drifting electrons in gases began in laboratories where there was interest in the detection of particles. Diffusion and drift of electrons and ions in gases were at that time well-established subjects in their own right. The study of the influ ence of magnetic fields on these processes was completed in the 1930s and all fundamental equations were contained in the article by W.P. Allis in the Encyclopedia of Physics [ALL 56]. It did not take very long until the particle physicists learnt to apply the methods of the Maxwell-Boltzmann equations and of the electron-swarm experi ments that had been developed for the study of atomic properties.