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2025-06-03
15:49
On the validity of Levison’s theorem for non-local interactions / Martin, A (CERN)
By introduction of an artificial boundary condition on the one dimensionalS wave function it is possible to compare the number of eigenstates of a non-local hamiltonian to the number of free eigenstates, provided the free and interacting eigenstates tend to coincide at high energies. Orthogonality of the wave functions, plus certain auxiliary hypotheses, enable one to prove the inequality δ(0) - δ(∞) ≥νπ, where ν is the number of bound states. [...]
1958 - Published in : Nuovo Cimento 7 (1958) 607–627

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2025-06-03
15:45
Exact determination of a phenomenological separable interaction / Gourdin, M ; Martin, André (CERN)
The method of Muskhelishvili applied by Omnès to the problem of one meson production by mesons is used to solve the integral equation determining a phenomenological separable interaction from the energy dependence of an experimental phase shift in a collision problem. The interaction in momentum space is given by an expression containing only one integral. [...]
1958 - Published in : Nuovo Cimento 8 (1958) 699–707

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2025-06-03
15:40
Interaction non locale séparable et matrice de collision / Gourdin, M ; Martin, André (CERN)
The problem of determining a two body (e.g. nucleon -nucleon) interaction in theS state from the energy dependence of the experimental phase shift is studied with the assumption of a non-local separable central interaction. [...]
1957 - Published in : Nuovo Cimento 6 (1957) 757–779

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2025-06-03
14:13
The S wave in meson-nucleon scattering / Martin, André (CERN)
1956 - Published in : Nuovo Cimento 4 (1956) 769–777

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2025-06-03
14:10
Meson Nucleon S scattering and crossing theorem / Martin, André (CERN)
It is noticed that the low energyS wave calculations of meson nucleon scattering cannot be very satisfactory if they do not obey the « crossing theorem ». It may be interesting to modify the iteration treatments in order to satisfy the symmetry requirements. [...]
1956 - Published in : Nuovo Cimento 4 (1956) 369–389

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2025-06-03
14:04
Diffusion proton-proton aux énergies intermédiaires / Martin, André (CERN) ; Verlet, Loup
Proton-proton scattering at intermediate energies has been studied with the potential derived from thePS-PS Theory. The validity of Born approximation inP andD states, the influence ofP-F coupling, and of non-perturbation corrections to the potential have been investigated. [...]
1954 - Published in : Nuovo Cimento 12 (1954) 483–489

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2025-06-03
14:00
Proton-Proton Scattering at Intermediate Energies / Martin, André (CERN) ; Verlet, Loup
1953 - Published in : Phys. Rev. 89 (1953) 519

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2025-06-03
13:57
Un générateur d'impulsions simple pour l'étude et le controle des circuits amplificateurs, sélecteurs et de comptage, ainsi que des lignes à retard / Fréon, André ; Martin, André (CERN)
1952 - Published in : J. Phys. Radium 13 (1952) 427-427

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2025-06-03
13:52
A sufficient condition for the existence of bound states in a potential without spherical symmetry / Martin, André (CERN) ; Chadan, K
In this note we give a sufficient condition for a purely attractive potential without spherical symmetry to have at least one bound state..
1980 - Published in : J. Physique Lett. 41 (1980) 205-206

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2025-06-03
12:42
Potential models of hadrons / Martin, André (CERN)
1991 - Published in : Nucl. Phys. B 23 (1991) 315-327

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