Leading particle effect in the J/y elasticity distribution

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DC Field	Value	Language
dc.creator	Durães F.O.	-
dc.creator	Navarra F.S.	-
dc.creator	Wilk G.	-
dc.date	1998	-
dc.date.accessioned	2013-05-29T22:45:16Z	-
dc.date.available	2013-05-29T22:45:16Z	-
dc.date.issued	2013-05-30	-
dc.identifier	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97331998000400026	-
dc.identifier	http://www.doaj.org/doaj?func=openurl&genre=article&issn=01039733&date=1998&volume=28&issue=4&spage=00	-
dc.identifier.uri	http://koha.mediu.edu.my:8181/jspui/handle/123456789/2498	-
dc.description	Recent DESY-HERA data on J/<FONT FACE="Symbol">Y</font> elasticity distribution show that it emerges mostly as a fast particle. Interpreting photoproduction as a collision between a pre-formed charmed hadron and the proton, the outcoming J/<FONT FACE="Symbol">Y</font> is a leading particle of the collision. We analyse these data using a model formulated to describe energy flow in hadron-hadron reactions. The measured J/<FONT FACE="Symbol">Y</font> spectrum can be successfully described in terms of this model. We conclude that the observed transparency of the charmed hadron-proton collisions arises because of the particularly small gluonic content of the initial c - <img src="http:/img/fbpe/bjp/v28n4/image200.gif" alt="Image200.gif (847 bytes)" align="absbottom"> state.	-
dc.publisher	Sociedade Brasileira de Física	-
dc.source	Brazilian Journal of Physics	-
dc.title	Leading particle effect in the J/y elasticity distribution	-
Appears in Collections:	Physics and Astronomy

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