quark_6 - 1 1 si ng let K bar kaon 478 0 sd bar ½ 1/2-1-1...

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PHY2061 R. D. Field Department of Physics quark_6.doc University of Florida Hadrons – PseudoScalar Meson Nonet ( J P = 0 - bosons , B = 0, Ch = 0, Bo = 0, To = 0 ) Y = B + S +Ch +Bo + To Qem = Y/2 + Iz Symbol Name Mass MeV Qem Net Quarks I Iz Y S Qcolor π + pion 140 +1 ud bar 1 +1 0 0 si ng let π 0 pion 135 0 uu bar , dd bar 1 0 0 0 si ng let π - pion 140 -1 du bar 1 -1 0 0 si ng let K + kaon 494 +1 us bar ½ +1/2 +1 +1 si ng let K 0 kaon 478 0 ds bar ½ -1/2
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Unformatted text preview: +1 +1 si ng let K bar kaon 478 0 sd bar ½ +1/2 -1 -1 si ng let K-kaon 494 -1 su bar ½-1/2 -1 -1 si ng let η eta 549 0 uu bar , dd bar, ss bar 0 0 0 0 si ng let η ’ eta-prime 958 0 uu bar , dd bar, ss bar 0 0 0 0 si ng let Iz Y SU(3) flavor Triplet s d u 3 Iz Y SU(3) flavor Octet π + π π-K + K bar K-K η 8 Iz Y SU(3) flavor Singlet η ’ 1 3 x 3 = 8 + 1...
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This note was uploaded on 01/26/2012 for the course PHY 2061 taught by Professor Fry during the Fall '08 term at University of Florida.

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