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Search for anomalous interaction mean free paths of charge, 2≦Z≦18 projectile fragments in emulsions exposed to 1.8 A GeV40Ar ions
- Source :
- Zeitschrift für Physik A Hadrons and Nuclei; December 1987, Vol. 327 Issue: 4 p431-441, 11p
- Publication Year :
- 1987
-
Abstract
- <superscript>40</superscript>Ar-emulsion interactions are studied, to investigate the question of anomalons, in twoG- 5 emulsion stacks. In about 4600 primary interactions, projectile fragments of Z≧2 for all generations have been followed until they interact or leave the stack. After careful estimation of charges of these fragments, variation of their mean free paths is studied as a function of distance from the preceding interaction. Generation effect,N<subscript>h</subscript> dependence and production angle effect are investigated. In addition multi-chain events are analysed separately. Our results do not show anomalons at the 6% level and are consistent with non-occurrence of anomalons. However, this experiment is not sensitive enough to rule out anomalons (with a mfp of the order of 2 to 3 cm) produced at about 1% (or less) level.
Details
- Language :
- English
- ISSN :
- 09397922 and 14315831
- Volume :
- 327
- Issue :
- 4
- Database :
- Supplemental Index
- Journal :
- Zeitschrift für Physik A Hadrons and Nuclei
- Publication Type :
- Periodical
- Accession number :
- ejs16461143
- Full Text :
- https://doi.org/10.1007/BF01289569