Experimental evidence for a light and broad scalar resonance in D+® p-p+p+ decay

Please use this identifier to cite or link to this item: http://dspace.mediu.edu.my:8181/xmlui/handle/123456789/2933

Title:	Experimental evidence for a light and broad scalar resonance in D+® p-p+p+ decay
Issue Date:	30-May-2013
Publisher:	Sociedade Brasileira de Física
Description:	From a sample of 1240 ± 51 D+ <FONT FACE=Symbol>®</font> pi- pi+ pi+ we find gamma(D+ -> pi- pi+ pi+)/gamma(D+ -> K- pi+ pi+) = 0:0329 ± 0:0015 <img src="http:/img/fbpe/bjp/v30n2/10eq01.gif" border="0" align="absmiddle">. Using a coherent amplitude analysis to t the Dalitz plot of this decay, we find strong evidence that a scalar resonance of mass 483<img src="http:/img/fbpe/bjp/v30n2/10eq02.gif" border="0" align="absmiddle"> ± 17 MeV/c² and width 338<img src="http:/img/fbpe/bjp/v30n2/10eq03.gif" border="0" align="absmiddle"> ± 21 MeV/c² produces a decay fraction of approximately one half.
URI:	http://koha.mediu.edu.my:8181/jspui/handle/123456789/2933
Other Identifiers:	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332000000200010 http://www.doaj.org/doaj?func=openurl&genre=article&issn=01039733&date=2000&volume=30&issue=2&spage=296
Appears in Collections:	Physics and Astronomy

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