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Conference paper

Preliminary differential cross sections of the charge-exchange reaction

Darko Makterović (FOR THE CRYSTAL BALL COLLABORATION) ; Ruđer Bošković Institute, HR-10002 Zagreb, Croatia
Ivan Supek ; Ruđer Bošković Institute, HR-10002 Zagreb, Croatia


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Abstract

The Crystal Ball Collaboration measured differential cross sections for pion-nucleon charge-exchange reaction at seven different pion momenta in the momentum region between 105 MeV/c and 180 MeV/c. When analyzed, these data will represent the highest-precision differential cross sections in this energy region. They will be essential for providing the necessary constrains on partial-wave analysis so that pion-nucleon sigma term can be extracted more reliably, and also provide a determination of the mass difference of the up and down quarks. Preliminary results for these differential cross sections are presented.

Keywords

differential cross sections for pion-nucleon charge-exchange; sigma term; quarks

Hrčak ID:

305715

URI

https://hrcak.srce.hr/305715

Publication date:

1.6.2004.

Article data in other languages: croatian

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