NUCLEON AND PION FORM FACTORS IN DIFFERENT FORMS OF RELATIVISTIC KINEMATICS
| Autor: | B. Desplanques |
|---|---|
| Přispěvatelé: | Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS) |
| Rok vydání: | 2005 |
| Předmět: |
Physics
Nuclear and High Energy Physics Current (mathematics) [PHYS.NUCL]Physics [physics]/Nuclear Theory [nucl-th] 010308 nuclear & particles physics Astronomy and Astrophysics Kinematics 03.65.Pm 21.45.+v 13.40.Gp Few-body systems 01 natural sciences Atomic and Molecular Physics and Optics Theoretical physics Range (mathematics) Pion [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph] 0103 physical sciences Relativistic wave equations Point (geometry) 010306 general physics Nucleon |
| Zdroj: | International Journal of Modern Physics A Aug 2004, Beijing, pp.1601-1606, ⟨10.1142/S0217751X05023050⟩ |
| ISSN: | 1793-656X 0217-751X |
| DOI: | 10.1142/s0217751x05023050 |
| Popis: | Calculations of form factors in different forms of relativistic kinematics are presented. They involve the instant, front and point forms. In the two first cases, different kinematical conditions are considered while in the latter case, both a Dirac-inspired approach and a hyperplane-based one are incorporated in our study. Numerical results are presented for the pion form factors with emphasis on both the low and high Q2 range. A new argument is presented, explaining why some approaches do considerably much better than other ones when only a single-particle current is considered. |
| Databáze: | OpenAIRE |
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