Strong interaction scattering of a spin-zero particle by a 1/2 spin particle
Creators
- 1. Commissariat a l'Energie Atomique - CEA, Centre d'Etudes Nucleaires de Saclay, Departement de Physique des Particules Elementaires (France)
Description
This paper gather kinematic formulas that are commonly used to describe the scattering, with conservation of parity, 0- + 1+/2 → 0- + 1+/2 (in the notation SP, S being the spin and P the parity). The two particles 0- will be two mesons M and M', the two particles 1+/2 two baryons B and B'. The authors assume that the masses of these four particles are all different. The notations and the definitions are introduced in chapter 1. Chapter 2 recalls essential notions concerning the Dirac equation. The relativistic invariant differential cross-section is calculated in chapter 3, as a function of the invariant amplitudes A'(s,t) and B(s,t). Pauli's usual formalism in the center of mass system is given in chapter 4, as well as the means of passing f(θ) and g(θ) amplitudes to A' and B amplitudes. Chapter 5 is concerned with elastic scattering
Abstract (French)
Nous rassemblons ici un certain nombre de formules cinematiques qui sont utilisees couramment lorsqu'on veut decrire la diffusion, avec conservation de la parite, 0- + 1+/2 → 0- + 1+/2 (dans la notation SP, S etant le spin et P la parite). Les deux particules 0- seront deux mesons M et M', les deux particules 1+/2 deux baryons B et B'. Nous supposerons que les masses de ces quatre particules sont toutes differentes. Les notations et les definitions sont introduites au chapitre 1. Dans le chapitre 2 sont reprises les notions essentielles concernant l'equation de Dirac. La section efficace differentielle, invariante relativiste, est calculee au chapitre 3 en fonction des amplitudes invariantes A'(s,t) et B(s,t). Le formalisme habituel de Pauli dans le systeme du centre de masse est donne au chapitre 4, de meme que le moyen de passer des amplitudes f(θ) et g(θ) aux amplitudes A' et B. Le chapitre 5 concerne la diffusion elastique. Les formules sont numerotees independamment dans chaque paragraphe. Lorsque les renvois se font d'un paragraphe a un autre, ils sont explicitement mentionnes. (auteur)Files
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Additional details
Additional titles
- Original title (French)
- Diffusion par interaction forte d'une particule de spin zero par une particule de spin 1/2
Identifiers
Publishing Information
- Imprint Pagination
- 40 p.
- Report number
- CEA-N--1072
INIS
- Country of Publication
- France
- Country of Input or Organization
- France
- INIS RN
- 49041823
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; S97: MATHEMATICAL METHODS AND COMPUTING;
- Descriptors DEI
- BARYONS; CALCULATION METHODS; CEA; CENTER-OF-MASS SYSTEM; DIFFERENTIAL CROSS SECTIONS; DIRAC EQUATION; INELASTIC SCATTERING; INVARIANCE PRINCIPLES; MATHEMATICAL MODELS; MESONS; MINKOWSKI SPACE; PARITY; PARTICLE INTERACTIONS; PARTICLE KINEMATICS; PAULI SPIN OPERATORS; QUANTUM ELECTRODYNAMICS; RELATIVITY THEORY; SCATTERING AMPLITUDES; SPIN; SPIN ORIENTATION
- Descriptors DEC
- AMPLITUDES; ANGULAR MOMENTUM; ANGULAR MOMENTUM OPERATORS; BOSONS; CROSS SECTIONS; DIFFERENTIAL EQUATIONS; ELECTRODYNAMICS; ELEMENTARY PARTICLES; EQUATIONS; FERMIONS; FIELD EQUATIONS; FIELD THEORIES; FRENCH ORGANIZATIONS; HADRONS; INTERACTIONS; MATHEMATICAL OPERATORS; MATHEMATICAL SPACE; NATIONAL ORGANIZATIONS; ORIENTATION; PARTIAL DIFFERENTIAL EQUATIONS; PARTICLE PROPERTIES; QUANTUM FIELD THEORY; QUANTUM OPERATORS; SCATTERING; SPACE; WAVE EQUATIONS
Optional Information
- Notes
- 7 refs.; Available from the INIS Liaison Officer for France, see the 'INIS contacts' section of the INIS website for current contact and E-mail addresses: http://www.iaea.org/inis/Contacts/