parameter (mmrye=15,mmryk=3) !memory saving factor parameter (kollmx=45000/mmrye,npommx=150) parameter (mamx=210/mmryk,ngrmx=1,ntymi=0,ntymx=2) parameter (nflavems=4) !---------------------------------------------------------------------- ! POMERON !---------------------------------------------------------------------- double precision om1int,om1intc * ,atilde,btildep,btildepp common/comega/om1int(kollmx),om1intc(kollmx) common/comtilde/atilde(ntymi:ntymx,kollmx) *,btildep(ntymi:ntymx,kollmx),btildepp(ntymi:ntymx,kollmx) *,ntymin !---------------------------------------------------------------------- ! POMERON CONFIGURATION !---------------------------------------------------------------------- common/col/koll,iproj(kollmx),itarg(kollmx),coord(4,kollmx) common/col1/kremn(mamx,mamx,2),lremn(mamx,2) dimension kproj(mamx,mamx),ktarg(mamx,mamx) *,lproj(mamx),ltarg(mamx) equivalence (kproj(1,1),kremn(1,1,1)),(ktarg(1,1),kremn(1,1,2)) equivalence (lproj(1),lremn(1,1)),(ltarg(1),lremn(1,2)) double precision gammaV common/col6/kproj3(mamx,mamx),ktarg3(mamx,mamx) *,lproj3(mamx),ltarg3(mamx) *,epsilongp(kollmx,0:1),epsilongt(kollmx,0:1) *,epsilongs(kollmx,0:1),gammaV(kollmx) *,epsilongf(kollmx),epsilongb(kollmx) common/col4/bk(kollmx),bhpr(npommx,kollmx),bkx(kollmx) *,bky(kollmx) double precision PomInck,xxnuc,xzcutpar common/col7/zparremn(kollmx,2),PomInck(kollmx),xzcutpar(kollmx) *,xxnuc(mamx,2,kollmx),npnuc(mamx,2,kollmx) *,irnuc(mamx,2,kollmx),knucnt(2,kollmx) real zparpro(kollmx),zpartar(kollmx) equivalence (zparpro(1),zparremn(1,1)),(zpartar(1),zparremn(1,2)) !---------------------------------------------------------------------- ! koll: number of relevant pairs ! iproj(k): projectile index for k-th pair ! itarg(k): target index for k-th pair ! lproj(ip): number of pairs linked to projectile ip ! kproj(ip,l): corresponding pair index of the l-th pair ! ltarg(it): number of pairs linked to target it ! ktarg(it,l): corresponding pair index of the l-th pair ! bk(k): b value of the k-th pair (=sqrt(bx**2.+by**2.)) ! bkx(k): bx value of the k-th pair ! bky(k): by value of the k-th pair ! lproj3(ip): number of pairs linked to projectile ip (no diffraction) ! kproj3(ip,l): corresponding pair index of the l-th pair (no diffraction) ! ltarg3(it): number of pairs linked to target it (no diffraction) ! ktarg3(it,l): corresponding pair index of the l-th pair (no diffraction) !---------------------------------------------------------------------- common/cems3/nprt(kollmx),npr(0:3,kollmx) common/cems4/nprmx(kollmx) !---------------------------------------------------------------------- ! nprt(k): number of pomerons of collision k ! npr(id,k): number of pomerons of type id of collision k ! (id: 0=zero, 1=soft, 2=reggeon, 3=hard) ! nprmx(k): maximum number of pomerons of collision k !---------------------------------------------------------------------- common/cems2/itpr(kollmx),idpr(npommx,kollmx),ivpr(npommx,kollmx) *,idfpr(npommx,kollmx) *,nvpr(npommx,kollmx),nbkpr(npommx,kollmx) !---------------------------------------------------------------------- ! itpr(k): interaction type of collision k ! (0=nothing, 1=inelastic, 2=diffractive) ! idpr(n,k): type of pomeron (n,k) ! (0=zero, 1=soft, 2=reggeon, 3=hard) ! ivpr(n,k): status of pomeron (n,k) (0=virtual, 1=real, 2=backup) ! nbkpr(n,k): position of the backup pomeron ! nvpr(n,k): position of the pomeron for this backup pomeron ! idfpr(n,k): link of pomeron (n,k) (0=no, 1=pro&tar, 2=pro, 3=tar) ! idfpr=-1 means backup pomeron !---------------------------------------------------------------------- double precision xpr,ypr,xppr,xmpr,xpprbor,xmprbor common/cems1/xpr(npommx,kollmx),ypr(npommx,kollmx) common/cems1c/xppr(npommx,kollmx),xmpr(npommx,kollmx) common/cems1d/xpprbor(npommx,kollmx),xmprbor(npommx,kollmx) common/cems1e/nemispr(2,npommx,kollmx),ptprboo(2,npommx,kollmx) !---------------------------------------------------------------------- ! xpr(n,k): x=x+x- of pomeron (n,k) ! ypr(n,k): rapidity of pomeron (n,k) ! xpprbor(n,k): x+ of in Born parton of pomeron (n,k) ! xmprbor(n,k): x- of in Born parton of pomeron (n,k) ! nemispr(i,n,k): number of up (i=1) and down (i=2) emissions !---------------------------------------------------------------------- double precision xp1pr,xp2pr,xm1pr,xm2pr,xxp1pr,xyp1pr * ,xxp2pr,xyp2pr,xxm1pr,xym1pr,xxm2pr,xym2pr common/cems7/xp1pr(npommx,kollmx),xp2pr(npommx,kollmx) * ,xm1pr(npommx,kollmx),xm2pr(npommx,kollmx) * ,idp1pr(npommx,kollmx),idp2pr(npommx,kollmx) * ,idm1pr(npommx,kollmx),idm2pr(npommx,kollmx) common/cems8/xxp1pr(npommx,kollmx),xyp1pr(npommx,kollmx) * ,xxp2pr(npommx,kollmx),xyp2pr(npommx,kollmx) * ,xxm1pr(npommx,kollmx),xym1pr(npommx,kollmx) * ,xxm2pr(npommx,kollmx),xym2pr(npommx,kollmx) !---------------------------------------------------------------------- ! xp1pr(n,k): x of string end p1 p1 p2 ! xp2pr(n,k): x of string end p2 \ / ! xm1pr(n,k): x of string end m1 \ / ! xm2pr(n,k): x of string end m2 \/ ! idp1pr(n,k): id of string end p1 ( 0=0 ) /\ ! idp2pr(n,k): id of string end p2 ( 1=s 2=v ) / \ ! idm1pr(n,k): id of string end m1 ( 4=ss*2 5=ss ) / \ ! idm2pr(n,k): id of string end m2 ( 8=f ) m1 m2 ! xxp1pr(n,k),xyp1pr(n,k): px,py of string end p1 ! xxp2pr(n,k),xyp2pr(n,k): px,py of string end p2 ! xxm1pr(n,k),xym1pr(n,k): px,py of string end m1 ! xxm2pr(n,k),xym2pr(n,k): px,py of string end m2 !---------------------------------------------------------------------- double precision xme common/cems11/xme(mamx) !---------------------------------------------------------------------- ! xme(j): x- exchange for nucleon j !---------------------------------------------------------------------- common/cems22/idhpr(npommx,kollmx),idrpr(npommx,kollmx) * ,idsppr(npommx,kollmx),idstpr(npommx,kollmx) !---------------------------------------------------------------------- ! idhpr(n,k): flav hard Pom (n,k) (0=gg,1=qg,2=gq,3=qq) ! idrpr(n,k): flav Regg (n,k) (0=ss,1=0va0,2=v00a,3=0as0,4=s00a,5=0sv0,6=v00s) ! idsppr(n,k): flav soft P (n,k) (proj) (0=ss,1=vs,2=sa,3=va,4=dd,5=svv,6=aas) ! idstpr(n,k): flav soft P (n,k) (targ) (0=ss,1=vs,2=sa,3=va,4=dd,5=svv,6=aas) !---------------------------------------------------------------------- !---------------------------------------------------------------------- ! REMNANT CONFIGURATION !---------------------------------------------------------------------- common/remn4/jcpval(nflavems,2,mamx),jctval(nflavems,2,mamx) common/remn3/jcpref(nflavems,2,mamx),jctref(nflavems,2,mamx) common/remn2/zzremn(mamx,2) common/remn/icremn(2,mamx,2) dimension icproj(2,mamx),ictarg(2,mamx) double precision xpp,xmp,xpt,xmt,xxp,xyp,xxt,xyt double precision xpz,xmz,xxz,xyz common/cemsr/xpz(mamx,2),xmz(mamx,2) * ,xxz(mamx,2),xyz(mamx,2) * ,idz(mamx,2),ivz(mamx,2) * ,isz(mamx,2),iaz(mamx,2) dimension xpp(mamx),xmp(mamx),xpt(mamx),xmt(mamx) * ,xxp(mamx),xyp(mamx),xxt(mamx),xyt(mamx) * ,idp(mamx),ivp(mamx),ivt(mamx),idt(mamx) * ,isp(mamx),iap(mamx),ist(mamx),iat(mamx) equivalence (icproj(1,1),icremn(1,1,1)) * ,(ictarg(1,1),icremn(1,1,2)) equivalence (xpp(1),xpz(1,1)),(xmt(1),xpz(1,2)) * ,(xmp(1),xmz(1,1)),(xpt(1),xmz(1,2)) * ,(xxp(1),xxz(1,1)),(xxt(1),xxz(1,2)) * ,(xyp(1),xyz(1,1)),(xyt(1),xyz(1,2)) * ,(idp(1),idz(1,1)),(idt(1),idz(1,2)) * ,(ivp(1),ivz(1,1)),(ivt(1),ivz(1,2)) * ,(isp(1),isz(1,1)),(ist(1),isz(1,2)) * ,(iap(1),iaz(1,1)),(iat(1),iaz(1,2)) !---------------------------------------------------------------------- ! xpp(ip),xmp(ip),xpt(it),xmt(it): x+,x- of projectile ip / target it ! xxp(ip),xyp(ip),xxt(it),xyt(it): px,py of projectile ip / target it ! idp(ip),idt(it): diquark counter ! ivp(ip),ivt(it): valenve quark counter ! isp(ip),ist(it): sea quark counter ! iap(ip),iat(it): anti valence quark counter !---------------------------------------------------------------------- double precision xpmn,xtmn,xpmx,xtmx,xppmx,xptmx,xmpmx,xmtmx * ,xppmn ,xptmn,xmpmn,xmtmn,xpos,xtos double precision xzmn,xzmx,xpzmx,xmzmx * ,xpzmn ,xmzmn,xzos common/cemsr1/xzmn(mamx,2),xzmx(mamx,2) * ,xpzmx(mamx,2) * ,xmzmx(mamx,2) * ,xpzmn(mamx,2) * ,xmzmn(mamx,2) * ,xzos(mamx,2) dimension xpmn(mamx),xtmn(mamx),xpmx(mamx),xtmx(mamx) * ,xppmx(mamx),xptmx(mamx) * ,xmpmx(mamx),xmtmx(mamx) * ,xppmn(mamx),xptmn(mamx) * ,xmpmn(mamx),xmtmn(mamx) * ,xpos(mamx),xtos(mamx) equivalence ( xpmn(1), xzmn(1,1)),( xtmn(1), xzmn(1,2)) * ,( xpmx(1), xzmx(1,1)),( xtmx(1), xzmx(1,2)) * ,(xppmx(1),xpzmx(1,1)),(xptmx(1),xpzmx(1,2)) * ,(xmpmx(1),xmzmx(1,1)),(xmtmx(1),xmzmx(1,2)) * ,(xppmn(1),xpzmn(1,1)),(xptmn(1),xpzmn(1,2)) * ,(xmpmn(1),xmzmn(1,1)),(xmtmn(1),xmzmn(1,2)) * ,( xpos(1), xzos(1,1)),( xtos(1), xzos(1,2)) !---------------------------------------------------------------------- ! xpmn(ip),xtmn(it),xpmx(ip),xtmx(it): x proj/targ minimum/maximum ! xppmx(ip),xptmx(it),xmpmx(ip),xmtmx(it): x+/x- proj/targ maximum ! xppmn(ip),xptmn(it),xmpmn(ip),xmtmn(it): x+/x- proj/targ minimum ! xpos(ip),xtos(it): x value for on shell condition proj/targ !---------------------------------------------------------------------- common/cemsr3/kolp(mamx),kolt(mamx),npp(mamx),npt(mamx) common/cemsr4/iez(mamx,2),ifz(mamx,2) dimension iep(mamx),iet(mamx),ifp(mamx),ift(mamx) equivalence (iep(1),iez(1,1)),(iet(1),iez(1,2)) * ,(ifp(1),ifz(1,1)),(ift(1),ifz(1,2)) !---------------------------------------------------------------------- ! kolp(ip),kolt(it): number of cut Pomerons of proj ip / targ it ! iep(ip),iet(it): excitation type of proj ip / targ it ! (0=none,1=inelastic,2=diffractive) ! ifp(ip),ift(it): remnant flip flag proj/targ (0=no,1=yes) ! if3dp(ip), if3dp(it): triple pomeron diffraction (if 1) !---------------------------------------------------------------------- !---------------------------------------------------------------------- ! transfer from emsini !---------------------------------------------------------------------- double precision amzmn,ampmn,amtmn,ammn,amemn,amemx,amprmn,xis &,delxi,ddelx,r3pompi,r3pommi,r3pompi3,r3pommi3 parameter (ntypmx=19) common/cems12/ammn(0:ntypmx),amprmn(0:ntypmx) common/cemsr6/amzmn(0:1,2),amemn(0:1,0:6),amemx(0:2) dimension ampmn(0:1),amtmn(0:1) equivalence (ampmn(0),amzmn(0,1)), (amtmn(0),amzmn(0,2)) common/cemsr13/xis,delxi,ddelx,r3pompi,r3pommi &,r3pompi3,r3pommi3,ucfpro,ucftar !---------------------------------------------------------------------- ! STORAGE !---------------------------------------------------------------------- double precision *xxpr,xxpr0,yx,yx0,xxppr,xxmpr,xxppr0,xxmpr0 *,xmtx,xmtx0,xmtlx,xmtlx0 *,xppx,xppx0,xpplx,xpplx0 *,xppst,xmpst,xposst,xpest,xppstx0,xmpstx0,xppstx,xmpstx *,xmtst,xptst,xtosst,xmest,xmtstx0,xptstx0,xmtstx,xptstx dimension nprx(0:3),nprx0(0:3),iepst(mamx),ietst(mamx) *,xppst(mamx),xmpst(mamx),xposst(mamx),xpest(mamx) *,xmtst(mamx),xptst(mamx),xtosst(mamx),xmest(mamx) common/emsstore/ *xxpr,xxpr0,yx,yx0,xxppr,xxmpr,xxppr0,xxmpr0 *,xmtx,xmtx0,xmtlx,xmtlx0 *,xppx,xppx0,xpplx,xpplx0 *,itx,itx0,idx,idx0,iepst,ietst *,npplx0,nptlx0,npplx,nptlx *,nppx,nppx0,nptx,nptx0,nprx,nprx0,nprtx,nprtx0 *,xppst,xmpst,xposst,xpest,xppstx0,xmpstx0,xppstx,xmpstx *,xmtst,xptst,xtosst,xmest,xmtstx0,xptstx0,xmtstx,xptstx !---------------------------------------------------------------------- ! utilities !---------------------------------------------------------------------- double precision facto,fctrl common/factori/facto(0:npommx),fctrl(0:npommx),nfctrl