Consider the interesting particle D = (c3), composed of a charm quark and strange anti- quark. Using the quark makeup of the particles, and assuming that only the charm quark de- cays (a good assumption because charm quarks decay far faster than strange quarks), which of the decays (a) D → K¯ + +† or (b) D → K+ + n+ +¯ is allowed and
Consider the interesting particle D = (c3), composed of a charm quark and strange anti- quark. Using the quark makeup of the particles, and assuming that only the charm quark de- cays (a good assumption because charm quarks decay far faster than strange quarks), which of the decays (a) D → K¯ + +† or (b) D → K+ + n+ +¯ is allowed and
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Transcribed Image Text:(cs), composed of a charm quark and strange anti-
Consider the interesting particle D =
quark. Using the quark makeup of the particles, and assuming that only the charm quark de-
cays (a good assumption because charm quarks decay far faster than strange quarks), which
of the decays (a) D → K- +t+ or (b) D → K+ + a++ ¯ is allowed and
why?
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