Published 1984
| Version v1
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A counter example of the Bloch Nordsiek theorem for the quark-gluon scattering
Description
Quark-massless quark and quark gluon scattering are studied in the Infrared region. In both cases is shown that the infrared divergences do not cancel. This breaks the factorization theorems. It is raised the question about how to use the impulse approximation for reactions that contain IR singularities. (Author)
Availability note (English)
MF available from INIS under the Report Number.Abstract (Portuguese)
Estudam-se os espalhamentos quark (sem massa)-quark e quark-gluon na regiao infravermelha. Mostra-se nos dois casos que as divergencias infravermelhas nao cancelam. Isso quebra os teoremas de fatorizacao. Levanta-se a questao de como usar a aproximacao de impulso para reacoes que contem singularidades infravermelhas. (L.C.)Files
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Additional details
Publishing Information
- Imprint Pagination
- 37 p.
- Report number
- INIS-BR--151
INIS
- Country of Publication
- Brazil
- Country of Input or Organization
- Brazil
- INIS RN
- 16008829
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- IMPULSE APPROXIMATION; INFRARED DIVERGENCES; QUARK-GLUON INTERACTIONS; QUARK-QUARK INTERACTIONS; SCATTERING
- Descriptors DEC
- INTERACTIONS; PARTICLE INTERACTIONS