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subroutine stdcquarks(it,kq1,kq2,kq3,kql,kqj,kqr,kqx)
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C...Get signed constituent quarks of this particle
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C IT = index to HEPEVT common block
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C For particle ID, +/- HIJKLMN
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C KQX = H = flag tentative and special assignments
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C KQR = I = radial excitations
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C KQL = J = spin and orbital angular momentum
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C KQJ = N = 2*Jspin + 1
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integer it,kq,kqa,kqx,kq3,kq2,kq1,kqj,kql,kqr,irt
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call stdquarks(it,kq1,kq2,kq3,kql,kqj,kqr,kqx)
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C...Simple cases: direct translation or special codes.
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if(kqa.le.100 .or. kqa.ge.10000000) then
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elseif(kqx.gt.0 .and. irt.le.100) then
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C... KS, KL, pomeron and undefined
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if(kqa.eq.130 .or. kqa.eq.310)then
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C...Construction from quark content for heavy meson, diquark, baryon.
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if(kq2.eq.3 .or. kq2.eq.5)then
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C...Strange and beauty mesons.