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Xinitialize.f90
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Xinitialize.f90
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! ===========================================================================================================
module xx_initialize
use xx_kinds
use xx_public_variables
use xx_pass_integ
use xx_in_out
implicit none
private :: TEST_SETTINGS_GLOBAL, TEST_SETTINGS_ITERATION
public :: PROSPINO_CHECK_FS, PROSPINO_CHECK_HIGGS
public :: INIT_GLOBAL, INIT_ITERATION, INIT_VEGAS, INIT_IFAST, INIT_SUSY
public :: INIT_ALPHAS, FILL_COMMONS_SQ_GL
contains
! ------------------------------
subroutine PROSPINO_CHECK_HIGGS(final_state_in)
character(len=2), intent(in) :: final_state_in
if ( (final_state_in=='hh').or.(final_state_in=='ht') ) then
print*, " private code, not part of the official Prospino2 distribution "
print*, " "
print*, " please contact tilman.plehn@cern.ch "
print*, " "
call HARD_STOP
end if
end subroutine PROSPINO_CHECK_HIGGS
! ------------------------------
subroutine PROSPINO_CHECK_FS(final_state_in,ipart1_in,ipart2_in,lfinal)
character(len=2), intent(in) :: final_state_in
integer, intent(in) :: ipart1_in,ipart2_in
logical, intent(out) :: lfinal
lfinal = .true.
if ( (final_state_in/='nn').and.(ipart2_in/=1) ) lfinal = .false. ! only chi-chi needs both numbers
if ( (final_state_in/='ll').and.(ipart1_in>8) ) lfinal = .false. ! only sleptons have numbers>8
if ( (final_state_in=='gg').and.(ipart1_in>1) ) lfinal = .false. ! squark and gluino do not care about ipart
if ( (final_state_in=='sb').and.(ipart1_in>1) ) lfinal = .false.
if ( (final_state_in=='sg').and.(ipart1_in>1) ) lfinal = .false.
if ( (final_state_in=='ss').and.(ipart1_in>1) ) lfinal = .false.
if ( (final_state_in=='tb').and.(ipart1_in>2) ) lfinal = .false.
if ( (final_state_in=='bb').and.(ipart1_in>2) ) lfinal = .false.
if ( (final_state_in=='lq').and.(ipart1_in>1) ) lfinal = .false.
if ( (final_state_in=='le').and.(ipart1_in>1) ) lfinal = .false.
if ( (final_state_in=='sb').and.(ipart1_in>1) ) lfinal = .false.
if ( (final_state_in=='xx').and.(ipart1_in>2) ) lfinal = .false.
if ( .not. lfinal ) print*, " PROSPINO_CHECK_FS: final state not valid "
end subroutine PROSPINO_CHECK_FS
! ------------------------------
subroutine INIT_GLOBAL(ipart1_in,ipart2_in,lvalid_global)
integer, intent(in) :: ipart1_in,ipart2_in
logical, intent(out) :: lvalid_global
ii_done(-1:30) = 0 ! initialize array as nothing done yet
ii_done(-2) = 1
dim(-1:30) = 1 ! dimension of integration
select case (final_state)
case ('ng')
dim(-1:5) = (/ 3,3,3,3,4,4,5 /)
case ('ns')
dim(-1:7) = (/ 3,3,3,3,4,4,5,4,5 /)
case ('nn')
dim(-1:11) = (/ 3,3,3,3,6,4,4,6,6,6,6,6,6 /)
case ('ll')
dim(-1:6) = (/ 3,3,3,3,6,4,6,4 /)
case ('tb','bb')
dim(-1:4) = (/ 3,3,3,3,4,4 /)
case ('lq')
dim(-1:4) = (/ 3,3,3,3,4,4 /)
case ('le')
dim(-1:10) = (/ 3,3,3,3,4,4,5,8,4,4,5,5 /)
case ('hh')
dim(-1:8) = (/ 3,3,3,3,3,4,7,5,4,4 /)
case ('ht')
dim(-1:9) = (/ 3,3,3,3,3,4,7,7,4,5,5 /)
case ('gg','sb','sg','ss','xx') ! dummy setting
dim(-1:11) = (/ 1,1,1,1,1,1,1,1,1,1,1,1,1 /)
case default
print*, " INIT_GLOBAL: final_state not set ",final_state
end select
!----------------------------------------------------------------------------
iscaling = 0 ! calculate cross sections[0] or scaling functions[1] !
eta = 1.e-3 !
!----------------------------------------------------------------------------
if (iscaling==1) icoll = 4 ! flag for the luminosities
!----------------------------------------------------------------------------
imx = 0 ! negative masses[0] hard wired !
!----------------------------------------------------------------------------
!----------------------------------------------------------------------------
isca = 0 ! scale of process average mass[0] , cm energy[1] !
!----------------------------------------------------------------------------
!----------------------------------------------------------------------------
cut = 1.e-8 ! cut on integration variables [<1.e-8] !
eps_sli = 1.e-5 ! cut for phase space slicing [1.e-5 -> 0.0] !
eps_sub = 1.e-4 ! for for phase space subtraction [1.e-4 -> 1.e-6] !
ewi = 1.e-2 ! width of intermediate squark [1.e-2 -> 1.e-5] !
!----------------------------------------------------------------------------
if (ewi<1.e-3) ewi = 1.e-3 ! minimum value for substitution tan(z)
if (final_state=='ng') then
if (ipart1_in>=5) then
idub = 1 ! set idub for (q,qbar'), needed for ng
else if (ipart1_in<=4) then
idub = 0 ! set idub for (q,qbar), needed for ng
end if
else if (final_state=='ns') then
idub = 0
else if (final_state=='nn') then
if ( ((ipart1_in<5).and.(ipart2_in<5)).or.(ipart1_in>4).and.(ipart2_in>4)) then
idub = 0 ! set idub=1 for (q,qbar')
else
idub = 1
end if
else if (final_state=='ll') then
if ((ipart1_in==4).or.(ipart1_in==5).or.((ipart1_in>=10).and.(ipart1_in<=13)) ) then
idub = 1
else
idub = 0
end if
else if (final_state=='tb') then
idub = 0
else if (final_state=='bb') then
idub = 0
else if (final_state=='lq') then
idub = 0
else if (final_state=='le') then
idub = 0
end if
if (icoll>3) then ! may happen for scaling functions
sc = 1.0
end if
call TEST_SETTINGS_GLOBAL(ipart1_in,ipart2_in,lvalid_global) ! check everything set in main program
end subroutine INIT_GLOBAL
! ------------------------------
! note that routine is only internal to this module, called in INIT_GLOBAL
subroutine TEST_SETTINGS_GLOBAL(ipart1_in,ipart2_in,lvalid_global)
integer, intent(in) :: ipart1_in,ipart2_in
logical, intent(out) :: lvalid_global
lvalid_global = .true. ! go through unless something happens
if ((final_state/='ng').and.(final_state/='ns').and. & ! test final_state
(final_state/='nn').and.(final_state/='ll').and. &
(final_state/='gg').and.(final_state/='sb').and. &
(final_state/='sg').and.(final_state/='ss').and. &
(final_state/='tb').and.(final_state/='bb').and. &
(final_state/='lq').and.(final_state/='le').and. &
(final_state/='hh').and.(final_state/='ht').and. &
(final_state/='xx') ) then
print*, " TEST_SETTINGS_GLOBAL: final_state not correct ",final_state
lvalid_global = .false.
end if
!tp if (( ipart1_in < 1).or.(ipart2_in < 1) ) then ! start with a general check
!tp print*, " TEST_SETTINGS_GLOBAL: ipart1_in or ipart2_in not in range >0 ",ipart1_in,ipart2_in
!tp lvalid_global = .false.
!tp end if
if ( ((final_state=='nn').or.(final_state=='ns').or.(final_state=='ng')).and. & ! test ipart1_in
((ipart1_in<1).or.(ipart1_in>8)) ) then
print*, " TEST_SETTINGS_GLOBAL: ipart1_in not in range 1...8 ",ipart1_in
lvalid_global = .false.
else if ( (final_state=='ll').and. &
((ipart1_in<0).or.(ipart1_in>14)) ) then
print*, " TEST_SETTINGS_GLOBAL: ipart1_in not in range 1...8 ",ipart1_in
lvalid_global = .false.
end if
if ( (final_state=='nn').and. & ! test ipart2_in
((ipart2_in<1).or.(ipart2_in>8)) ) then
print*, " TEST_SETTINGS_GLOBAL: ipart2_in not in range 1...8 ",ipart2_in
lvalid_global = .false.
end if
if ((final_state=='nn').and. & ! charge if final state cannot be 2
( ((ipart1_in==5).and.(ipart2_in==5)).or. &
((ipart1_in==6).and.(ipart2_in==6)).or. &
((ipart1_in==7).and.(ipart2_in==7)).or. &
((ipart1_in==8).and.(ipart2_in==8)).or. &
((ipart1_in==5).and.(ipart2_in==6)).or. &
((ipart1_in==6).and.(ipart2_in==5)).or. &
((ipart1_in==7).and.(ipart2_in==8)).or. &
((ipart1_in==8).and.(ipart2_in==7)) ) ) then
print*, " TEST_SETTINGS_GLOBAL: final state not possible ",final_state,ipart1_in,ipart2_in
print*, " TEST_SETTINGS_GLOBAL: final state not possible ",final_state,ipart1_in,ipart2_in
lvalid_global = .false.
end if
if ( (icoll<0).or.(icoll>3) ) then ! test icoll
print*, " TEST_SETTINGS_GLOBAL: icoll not in range 0...1 ",icoll
lvalid_global = .false.
end if
end subroutine TEST_SETTINGS_GLOBAL
! ------------------------------
subroutine INIT_ITERATION(lvalid_iteration)
logical, intent(out) :: lvalid_iteration
n_faulty = 0 ! bad events counter initialized
lvalid_iteration = .true. ! go through unless something happens
if (ii<=0) then ! initialize the parton densities, either LO or NLO
call INIT_PDF(0)
else
call INIT_PDF(1)
end if
call TEST_SETTINGS_ITERATION(lvalid_iteration) ! check everything set in main program, for now only ii
end subroutine INIT_ITERATION
! ------------------------------
! note that routine is only internal to this module, called in INIT_GLOBAL
subroutine TEST_SETTINGS_ITERATION(lvalid_iteration)
logical, intent(out) :: lvalid_iteration
lvalid_iteration = .true. ! go through unless something happens
if (ii<-1) then ! lower limit to ii universal
print*, " TEST_SETTINGS_ITERATION: ii not correct ",ii
lvalid_iteration = .false.
end if
select case (final_state)
case('ng')
if (ii>5) then
lvalid_iteration = .false.
end if
case('ns')
if (ii>1) then
print*, " Sorry, the NLO corrections to this process are not yet checked and implemented "
lvalid_iteration = .false.
end if
case('nn')
if (ii>11) then
lvalid_iteration = .false.
end if
case('ll')
if ((ii==3).or.(ii==5).or.(ii>6)) then
lvalid_iteration = .false.
end if
case('tb','bb')
if (ii>4) then
lvalid_iteration = .false.
end if
case('lq')
if (ii>4) then
lvalid_iteration = .false.
end if
case('le')
if (ii>10) then
lvalid_iteration = .false.
end if
case('hh')
if (ii>8) then
lvalid_iteration = .false.
end if
case('ht')
if (ii>9) then
lvalid_iteration = .false.
end if
end select
end subroutine TEST_SETTINGS_ITERATION
! ------------------------------
subroutine INIT_VEGAS(i_lofast,ivegas)
integer, intent(in) :: i_lofast
integer,dimension(4), intent(out) :: ivegas
select case (final_state) ! the different ivegas input values to get <1% error for nlo contributions
case('ng')
select case (ii)
case(-1,0,1) ! born
ivegas(1:4) = (/ 5000 , 4 , 30000 , 4 /)
case(2) ! virtual
ivegas(1:4) = (/ 2000 , 4 , 10000 , 4 /)
case(3) ! real emission
ivegas(1:4) = (/ 10000 , 8 , 100000 , 4 /)
case(4) ! crossed matrix elements
ivegas(1:4) = (/ 10000 , 8 , 200000 , 4 /)
case(5) ! crossed os subtraction
ivegas(1:4) = (/ 10000 , 8 , 200000 , 6 /)
case default
ivegas(1:4) = (/ 100 , 4 , 1000 , 2 /)
end select
case('ns')
select case (ii)
case(-1,0,1) ! born
ivegas(1:4) = (/ 5000 , 4 , 30000 , 4 /)
case(2) ! virtual
ivegas(1:4) = (/ 100 , 4 , 10000 , 4 /)
case(3) ! real qg matrix element
ivegas(1:4) = (/ 10000 , 8 , 100000 , 4 /)
case(4,6) ! crossed matrix elements
ivegas(1:4) = (/ 10000 , 8 , 200000 , 4 /)
case(5,7) ! crossed os subtractions
ivegas(1:4) = (/ 20000 , 8 , 200000 , 6 /)
case default
ivegas(1:4) = (/ 100 , 4 , 1000 , 2 /)
end select
case('nn')
select case (ii)
case(-1,0,1) ! born
ivegas(1:4) = (/ 5000 , 4 , 30000 , 4 /)
case(2) ! virtual
ivegas(1:4) = (/ 500 , 4 , 10000 , 6 /)
case(3) ! real matrix element
ivegas(1:4) = (/ 20000 , 4 , 100000 , 6 /)
case(4) ! real dipole subtraction
ivegas(1:4) = (/ 10000 , 4 , 200000 , 6 /)
case(5) ! crossed dipole subtraction
ivegas(1:4) = (/ 10000 , 4 , 100000 , 6 /)
case(6,9) ! crossed matrix element
if ( ( (ipart1<5).and.((ipart2==6).or.(ipart2==8)) ).or. & ! N-C2 all fucked up because of dominant o-s subtraction
( (ipart2<5).and.((ipart1==6).or.(ipart1==8)) ) ) then
ivegas(1:4) = (/ 80000 , 4 ,1500000 ,10 /)
else
ivegas(1:4) = (/ 80000 , 4 , 500000 , 6 /)
end if
case(7,8,10,11) ! crossed o-s subtraction
ivegas(1:4) = (/ 80000 , 4 , 500000 , 6 /)
case default
ivegas(1:4) = (/ 100 , 4 , 1000 , 2 /)
end select
case('ll')
select case (ii)
case(-1,0,1) ! born
ivegas(1:4) = (/ 5000 , 4 , 30000 , 4 /)
case(2) ! virtual
ivegas(1:4) = (/ 500 , 4 , 10000 , 6 /)
case(3,5,7) ! real emission matrix element
ivegas(1:4) = (/ 20000 , 4 , 100000 , 6 /)
case(4,6,8) ! real dipole subtraction
ivegas(1:4) = (/ 10000 , 4 , 300000 , 6 /)
case default
ivegas(1:4) = (/ 100 , 4 , 1000 , 2 /)
end select
case('tb','bb')
select case (ii)
case(-1,0,1) ! born
ivegas(1:4) = (/ 5000 , 4 , 30000 , 4 /)
case(2) ! virtual
ivegas(1:4) = (/ 500 , 4 , 5000 , 6 /)
case(3,4) ! real emission matrix element
ivegas(1:4) = (/ 10000 , 4 , 50000 , 6 /)
case default
ivegas(1:4) = (/ 100 , 4 , 1000 , 2 /)
end select
case('lq')
select case (ii)
case(-1,0,1) ! born
ivegas(1:4) = (/ 5000 , 4 , 30000 , 4 /)
case(2) ! virtual
ivegas(1:4) = (/ 500 , 4 , 5000 , 6 /)
case(3,4) ! real emission matrix element
ivegas(1:4) = (/ 10000 , 4 , 50000 , 6 /)
case default
ivegas(1:4) = (/ 100 , 4 , 1000 , 2 /)
end select
case('le')
select case (ii)
case(-1,0,1) ! born
ivegas(1:4) = (/ 5000, 4 , 30000 , 4 /)
case(2) ! virtual
ivegas(1:4) = (/ 500, 4 , 15000 , 6 /)
case(3) ! qg matrix element
ivegas(1:4) = (/ 3000 ,4 , 80000 , 6 /)
case(4) ! gg matrix element
ivegas(1:4) = (/ 3000 ,4 , 30000 , 6 /)
case(5) ! gg on-shell term
ivegas(1:4) = (/ 30000 ,4 ,100000 , 6 /)
case(6) ! gg os subtraction
ivegas(1:4) = (/ 80000 ,6 ,100000 ,12 /)
case(7) ! qq matrix element
ivegas(1:4) = (/ 10000 ,4 , 40000 , 6 /)
case(8) ! qb matrix element
ivegas(1:4) = (/ 10000 ,4 ,100000 , 6 /)
case(9) ! qb os subtraction
ivegas(1:4) = (/ 10000 ,4 , 40000 , 6 /)
case(10) ! qb os subtraction
ivegas(1:4) = (/ 10000 ,4 ,100000 , 6 /)
case default
ivegas(1:4) = (/ 100 ,4 , 1000 , 2 /)
end select
case('hh')
select case (ii)
case(-1,0,1) ! born
ivegas(1:4) = (/ 5000 , 4 , 30000 , 4 /)
case(2,3) ! virtual and virtual-susy
ivegas(1:4) = (/ 10000 , 8 , 20000 , 4 /)
case(4) ! real emission
ivegas(1:4) = (/ 10000 , 8 , 80000 , 4 /)
case(5,7) ! crossed matrix element
ivegas(1:4) = (/ 10000 , 8 , 50000 , 4 /)
case(6,8) ! o-s subtraction
ivegas(1:4) = (/ 10000 , 8 , 50000 , 4 /)
case default
ivegas(1:4) = (/ 100 , 4 , 1000 , 2 /)
end select
case('ht')
select case (ii)
case(-1,0,1) ! born
ivegas(1:4) = (/ 5000 , 4 , 30000 , 4 /)
case(2,3) ! virtual and virtual-susy
ivegas(1:4) = (/ 2000 , 8 , 20000 , 4 /)
case(4) ! real qg matrix element
ivegas(1:4) = (/ 20000 , 8 , 100000 , 4 /)
case(5) ! gg matrix element
ivegas(1:4) = (/ 20000 , 8 , 50000 , 4 /)
case(6,7) ! qb, qq matrix element
ivegas(1:4) = (/ 20000 , 8 , 200000 , 4 /)
case(8,9) ! qb, gg on-shell subtraction
ivegas(1:4) = (/ 20000 , 8 , 100000 , 4 /)
case default
ivegas(1:4) = (/ 100 , 4 , 1000 , 2 /)
end select
case default
print *, " INIT_VEGAS: old channels "
end select
if ( (i_lofast == 1).and.( ii <= 1 ) ) then ! to speed up at expense of precision
print *, " INIT_VEGAS: speeding up via i_lofast "
ivegas(1:4) = (/ 500 , 4 , 2000 , 4 /)
end if
end subroutine INIT_VEGAS
! ------------------------------
subroutine INIT_IFAST(isq_gl,inext_sq,ifast)
integer, intent(in) :: isq_gl,inext_sq
integer, intent(out) :: ifast
ifast = 1 ! make fast mode the default
if ( isq_gl == 0 ) then ! new channels
if ((ii == -1 ).and.(inext_sq == 0 )) then ! ii=-1 is only appearance of squark loops
print *, " INIT_IFAST: first term summing squarks ",isq_gl
ifast = 0
end if
if ((ifast == 1).and.(ii_done(ii-1) /= 1)) then ! check if channel before has been computed
print*, " INIT_IFAST: recent ii not used ",ii,ii_done(ii-1)
ifast = 0
end if
if ((ii > -1).and.(ifast == 1).and.(dim(ii) /= dim(ii-1))) then ! check if dimensionality is the same
print*, " INIT_IFAST: new number of dimensions ",ii,dim(ii),dim(ii-1)
ifast = 0
end if
else if ( isq_gl == 1 ) then
if (inext_sq == 0 ) then ! ii=-1 is only appearance of squark loops
print *, " INIT_IFAST: first term summing squarks ",isq_gl
ifast = 0
end if
else
print*, " INIT_IFAST: problem with isq_gl ",isq_gl
call HARD_STOP
end if
end subroutine INIT_IFAST
! -----------------------------------------------------------------------!
! note that INIT_ALPHAS is run inside, in case sugra routine gets called !
! GET_SPECTRUM is the interface to some SUSY spectrum code !
! !
! conventions for weak-scale MSSM parameters used inside Prospino2: !
! !
! lowmass(0) mu !
! lowmass(1) m_1 !
! lowmass(2) m_2 !
! lowmass(3) m_3 !
! !
! lowmass(4) gluino mass !
! lowmass(5) \ !
! lowmass(6) \ !
! lowmass(7) / neutralino masses [with sign] !
! lowmass(8) / !
! lowmass(9) \ !
! lowmass(10) / chargino masses !
! !
! lowmass(15) degenerate squark mass (8) !
! lowmass(16) degenerate squark mass (10) !
! !
! lowmass(21) a_b !
! lowmass(24) a_t !
! !
! lowmass(30) selectron_l mass !
! lowmass(31) selectron_r mass !
! lowmass(32) selectron-neutrino mass !
! lowmass(33) stau_1 mass !
! lowmass(34) stau_2 mass !
! lowmass(35) stau-neutrino mass !
! lowmass(36) a_tau !
! !
! lowmass(40) cp odd higgs mass !
! lowmass(41) light cp even higgs mass !
! lowmass(42) heavy cp even higgs mass !
! lowmass(43) charged higgs mass !
! lowmass(44) sin(alpha) !
! lowmass(45) cos(alpha) !
! !
! like cteq: u,d,s,c,b,t first L then R !
! lowmass(51) sup_L !
! lowmass(52) sdown_L !
! lowmass(53) sstrange_L !
! lowmass(54) scharm_L !
! lowmass(55) sbottom_1 !
! lowmass(56) stop_1 (used as scalar LQ mass as well) !
! lowmass(57) sup_R !
! lowmass(58) sdown_R !
! lowmass(59) sstrange_R !
! lowmass(60) scharm_R !
! lowmass(61) sbottom_2 !
! lowmass(62) stop_2 !
! !
! lowmass(80) unification scale !
! lowmass(81) unified coupling alpha(m_x) !
! !
! lowmass(91) trilinear higgs coupling lambda(1) !
! ....... !
! lowmass(97) lambda(7) !
! !
! lowmass(99) !
! !
! bwmix neutralino mixing matrix (bino-wino) !
! pzmix neutralino mixing matrix (photino-zino) !
! uumix chargino mixing matrix u !
! vvmix chargino mixing matrix v !
! !
!-------------------------------------------------------------------------
subroutine INIT_SUSY(nin1,nin2,ipart1_in,ipart2_in,isq_ng_in,run0,run1,unimass,lowmass)
integer, intent(in) :: nin1,nin2
integer, intent(in) :: ipart1_in,ipart2_in,isq_ng_in
real(kind=double), intent(in) :: run0,run1
real(kind=double), dimension(1:20), intent(out) :: unimass
real(kind=double), dimension(0:99), intent(out) :: lowmass
integer :: n
real(kind=double), dimension(2,2) :: uu_in,vv_in
real(kind=double), dimension(2,2) :: mst_in,msb_in,msl_in
real(kind=double), dimension(4,4) :: bw_in
real(kind=double) :: sin2x
complex(kind=double), dimension(1:4) :: sig
unimass(1:20) = 0.0
call GET_SPECTRUM(nin2,unimass,lowmass,bw_in,uu_in,vv_in,mst_in,msb_in,msl_in)
uu(1:2,1:2) = uu_in(1:2,1:2) ! set the mixing matrices as defined globally in Xvital.f90
vv(1:2,1:2) = vv_in(1:2,1:2)
bw(1:4,1:4) = bw_in(1:4,1:4)
mst(1:2,1:2) = mst_in(1:2,1:2)
msb(1:2,1:2) = msb_in(1:2,1:2)
msl(1:2,1:2) = msl_in(1:2,1:2)
tan_b = unimass(10)
mu_susy = lowmass(0) ! mu parameter
mg = lowmass(4) ! gluino mass
ms = lowmass(15) ! degenerate squark mass (still needed for old prospino code)
a_b = lowmass(21) ! tri-scalar coupling
a_t = lowmass(24) ! tri-scalar coupling
mh1 = lowmass(41) ! light scalar higgs mass
mh2 = lowmass(42) ! heavy scalar higgs mass
mch = lowmass(43) ! charged higgs mass
sin_a = lowmass(44)
cos_a = lowmass(45)
smass_n(1:6) = lowmass(5:10) ! neutralino/chargino masses
smass_n(7:8) = smass_n(5:6)
if (isq_ng_in == 1 ) then ! allow for non-degenerate squark masses
msq(-6:-1) = lowmass(56:51:-1) ! the squarkL masses: u,d,s,c,b,t
msq( 1: 6) = lowmass(57:62:1) ! the squarkR masses: u,d,s,c,b,t
else if (isq_ng_in == 0 ) then ! or if switched off set all masses to the average value
msq(-6:-1) = ms
msq( 1: 6) = ms
end if
!tp mg = mg * 1.5**run0 ! examples for the use of run0 and run1
!tp mg = mg + run1
!tp msq(+6) = msq(+6) + run0
!tp msq(-6) = msq(-6) + run0
!tp print*, " mass shift ",mg
if (imx==1) then ! neutralino masses, switch only works for Born term
mass_n(1:8) = abs(smass_n(1:8)) ! positive mass array for complex mixing matrix
sig(1:4) = (1.0,0.0) ! set correction factor eta
do n=1,4
if (smass_n(n)<0) sig(n) = (0.0,1.0)
zz(n,1:4) = sig(n) * bw(n,1:4)
end do
else if (imx==0) then
mass_n(1:8) = smass_n(1:8)
zz(1:4,1:4) = bw(1:4,1:4)
end if
if (final_state=='nn') then ! this is for the neutralino pairs only
if (ipart1_in < ipart2_in) then ! ordered by charge: +1 -2
ipart1 = ipart1_in
ipart2 = ipart2_in
else
ipart2 = ipart1_in
ipart1 = ipart2_in
end if
else
ipart1 = ipart1_in
ipart2 = ipart2_in ! where ipart2 is not really needed
end if
mass_s(1:4) = 0.0
if (final_state=='ll') then
select case (ipart1)
case(0)
mass_s(1) = ( lowmass(30) + lowmass(31) )/2.D0
mass_s(2) = ( lowmass(30) + lowmass(31) )/2.D0
case(1)
mass_s(1) = lowmass(30)
mass_s(2) = lowmass(30)
case(2)
mass_s(1) = lowmass(31)
mass_s(2) = lowmass(31)
case (3)
mass_s(1) = lowmass(32)
mass_s(2) = lowmass(32)
case(4,5)
mass_s(1) = lowmass(30)
mass_s(2) = lowmass(32)
case(6)
mass_s(1) = lowmass(33)
mass_s(2) = lowmass(33)
call COMPUTE_SCALAR_ANGLE(msl,sin2x)
mass_s(3) = sin2x
case(7)
mass_s(1) = lowmass(34)
mass_s(2) = lowmass(34)
call COMPUTE_SCALAR_ANGLE(msl,sin2x)
mass_s(3) = sin2x
case(8)
mass_s(1) = lowmass(33)
mass_s(2) = lowmass(34)
call COMPUTE_SCALAR_ANGLE(msl,sin2x)
mass_s(3) = sin2x
case(9)
mass_s(1) = lowmass(35)
mass_s(2) = lowmass(35)
case(10,11)
mass_s(1) = lowmass(33)
mass_s(2) = lowmass(35)
call COMPUTE_SCALAR_ANGLE(msl,sin2x)
mass_s(3) = sin2x
case(12,13)
mass_s(1) = lowmass(34)
mass_s(2) = lowmass(35)
call COMPUTE_SCALAR_ANGLE(msl,sin2x)
mass_s(3) = sin2x
case(14) ! charged Higgs pairs
mass_s(1) = lowmass(43)
mass_s(2) = lowmass(43)
end select
else if ((final_state=='tb').or.(final_state=='xx')) then
mass_s(1) = msq(-6) ! different from the stau syntax!!!
mass_s(2) = msq(+6)
mass_s(3) = 2*mst(1,1)*mst(1,2) ! like in the Form code
mass_s(4) = mst(1,1)**2 - mst(1,2)**2
mass_x(1) = msq(-5) ! also fix the sbottom sector
mass_x(2) = msq(+5)
mass_x(3) = 2*msb(1,1)*msb(1,2) ! like in the Form code
mass_x(4) = msb(1,1)**2 - msb(1,2)**2
else if (final_state=='lq') then
mass_s(1) = msq(-6)
mass_s(2) = msq(-6)
else if (final_state=='le') then
mass_s(1) = msq(-6)
else if (final_state=='bb') then
mass_s(1) = msq(-5) ! different from the stau syntax!!!
mass_s(2) = msq(+5)
mass_s(3) = 2*msb(1,1)*msb(1,2) ! like in the Form code
mass_s(4) = msb(1,1)**2 - msb(1,2)**2
mass_x(1) = msq(-6) ! also fix the stop sector
mass_x(2) = msq(+6)
mass_x(3) = 2*mst(1,1)*mst(1,2) ! like in the Form code
mass_x(4) = mst(1,1)**2 - mst(1,2)**2
end if
if (final_state=='hh') then ! report removed s-channel coupligs
if ( 2.0*mch < mz ) print*, " INIT_SUSY: removed coupling for on-shell decay Z->H+H- "
if ( 2.0*mch < mh1 ) print*, " INIT_SUSY: removed coupling for on-shell decay h0->H+H- "
if ( 2.0*mch < mh2 ) print*, " INIT_SUSY: removed coupling for on-shell decay H0->H+H- "
end if
call DECOUPLE_SPECTRUM(ipart1_in,ipart2_in)
end subroutine INIT_SUSY
! ------------------------------
! routine to take care of critical mass choices
! solve by overwriting in xx_pass_integ
subroutine DECOUPLE_SPECTRUM(ipart1_in,ipart2_in)
integer, intent(in) :: ipart1_in,ipart2_in
integer :: i1
real(kind=double) :: mn_min,ml_min,ms3_min
if (abs(ms-mg) < 1.0) then
ms = ms + 1.0
print*, " DECOUPLE_SPECTRUM: spectrum degenerate, change ms ",ms
end if
if ( (final_state=='ht') .and. (abs(mch-mt) < 1.0) ) then ! only a problem for charged Higgs
mch = mch + 1.0
print*, " DECOUPLE_SPECTRUM: spectrum degenerate, change mH ",mch
end if
ms_orig = ms ! keep the original numbers for ii=-1
mg_orig = mg
mn_min = min( abs(mass_n(ipart1_in)) ,abs(mass_n(ipart2_in)) ) ! smallest final-state mass for nn channel
ml_min = min( abs(mass_s(1)), abs(mass_s(2)) ) ! smallest final-state mass for ll channel
ms3_min = mass_s(ipart1_in) ! final-state mass for bb and tb channels
if ( (final_state=='gg') .and. ( (ms-mg)/mg > 10) ) then ! case with virtual-only squarks in Prospino1
ms = (10+1) * mg
print*, " DECOUPLE_SPECTRUM: squark mass decoupled for NLO part: ms=",ms
end if
if ( ((final_state=='ss') .or. &
(final_state=='sb') ).and. ( (mg-ms)/ms > 10) ) then ! case with virtual-only gluinos in Prospino1
mg = (10+1) * ms
print*, " DECOUPLE_SPECTRUM: gluino mass decoupled for NLO part: mg=",mg
end if
if (final_state=='bb') then ! case with virtual-only gluinos in Prospino2
!tp print*, " ratio mg ",(mg-ms3_min)/ms3_min
!tp print*, " ratio ms ",(ms-ms3_min)/ms3_min
if ( (mg-ms3_min)/ms3_min > 2) then
mg = (2+1) * ms3_min
print*, " DECOUPLE_SPECTRUM: gluino mass decoupled for NLO part: mg=",mg
end if
if ( (ms-ms3_min)/ms3_min > 20) then
ms = (20+1) * ms3_min
print*, " DECOUPLE_SPECTRUM: squark mass decoupled for NLO part: mg=",ms
end if
end if
if (final_state=='tb') then ! case with virtual-only gluinos in Prospino2
if ( (mg-ms3_min)/ms3_min > 5) then
mg = (5+1) * ms3_min
print*, " DECOUPLE_SPECTRUM: gluino mass decoupled for NLO part: mg=",mg
end if
if ( (ms-ms3_min)/ms3_min > 20) then
ms = (20+1) * ms3_min
print*, " DECOUPLE_SPECTRUM: squark mass decoupled for NLO part: ms=",ms
end if
end if
if (final_state=='nn') then ! case with mixed Born/virtual squarks in Prospino2
if ( (ms-mn_min)/mn_min > 10) then ! already there for the t channel propagator, using ms for NLO part
ms = (10+1) * mn_min
print*, " DECOUPLE_SPECTRUM: squark mass decoupled for NLO part: ms=",ms
end if
if ( (mg-mn_min)/mn_min > 15) then ! only in the actual loop
mg = (15+1) * mn_min
print*, " DECOUPLE_SPECTRUM: gluino mass decoupled for NLO part: mg=",mg
end if
end if
if (final_state=='ll') then ! case with virtual-only squarks in Prospino2
if ( (ms-ml_min)/ml_min > 15) then ! only in the actual loop
ms = (15+1) * ml_min
print*, " DECOUPLE_SPECTRUM: squark mass decoupled for NLO part: ms=",ms
end if
if ( (mg-ml_min)/ml_min > 15) then ! only in the actual loop
mg = (15+1) * ml_min
print*, " DECOUPLE_SPECTRUM: gluino mass decoupled for NLO part: mg=",mg
end if
end if
if (final_state=='ng') then ! case with mixed Born/virtual squarks in Prospino2
if ( (ms-mg)/mg > 10) then ! already there for the t channel propagator, using ms for NLO part
ms = (10+1) * mg
print*, " DECOUPLE_SPECTRUM: squark mass decoupled for NLO part: ms=",ms
end if
end if
end subroutine DECOUPLE_SPECTRUM
! ------------------------------
! note that in the old prospino there is routine INIT_ALPHAS_ARG(inlo) for an independent outside call
subroutine INIT_ALPHAS
integer :: nq,inlo_alphas ! note that inlo_alphas is an internal parameter
real(kind=double) :: lam_dummy,acc,lam_qcd,mcq,mbq,mtq
if (ii<=0) then
inlo_alphas = 0
else
inlo_alphas = 1
end if
call GET_LAMBDA_QCD(inlo_alphas,lam_dummy)
lam_qcd = lam_dummy
acc = 1.e-8
mcq = 1.5
mbq = mb
mtq = 175000.0 ! top quark decoupled from alphas
nq = 5
call ALSINI(acc,lam_qcd,mcq,mbq,mtq,nq)
mtq = mt ! top quark with finite mass for running Yukawas
nq = 6
call ALSINI_RUNM(acc,lam_qcd,mcq,mbq,mtq,nq)
end subroutine INIT_ALPHAS
! ------------------------------
! fill all common blocks used in the old squark/gluino routines
subroutine FILL_COMMONS_SQ_GL(inlo,scafac)
integer, intent(in) :: inlo
real(kind=double), intent(in) :: scafac
real(kind=double) :: s_1,energy_1,alphas_1,ms_1,ms_orig_1,mg_1,mg_orig_1,mt_1
common/CONST1/ s_1,energy_1,alphas_1,ms_1,ms_orig_1,mg_1,mg_orig_1,mt_1 ! energy and masses filled here, s and alphas filled in hadron**.f
real(kind=double), dimension(-6:6) :: msq_common
integer :: isquark1_common,isquark2_common,i_ngtest_common
common/SQUARKS/ msq_common,isquark1_common,isquark2_common,i_ngtest_common
real(kind=double) :: s_2,energy_2,alphas_2,mst1_2,mg_2,mt_2,ms_2,mst2_2,sin2t_2
common/CONST6/ s_2,energy_2,alphas_2,mst1_2,mg_2,mt_2,ms_2,mst2_2,sin2t_2 ! energy and masses filled here, s and alphas filled in hadron**.f
real(kind=double) :: scale,scafac_1 ! scale filled in hadron**.f, all otherse filled here
integer :: icoll_1,iscapt
common/CONST2/ scale,scafac_1,icoll_1,iscapt
integer :: ilo_common, inlo_common, ionlylo_common, idg_common, ing_common
common/CONST5/ ilo_common, inlo_common, ionlylo_common, idg_common, ing_common ! first three filled here
integer :: icharconj
common/CHARCONJ/ icharconj ! for now dummy block
real(kind=double) :: ptmin, ptmax
common/CUT1/ ptmin, ptmax ! for now dummy block, filled in here
real(kind=double) :: ymin, ymax
common/CUT2/ ymin, ymax ! for now dummy block, filled in here
integer :: iflavor, itotal
common/FLAVOR/ iflavor, itotal
energy_1 = sqrt( sc ) ! collider energy
ms_1 = ms ! make sure INIT_SUSY is called first
ms_orig_1 = ms_orig ! make sure INIT_SUSY is called first
mg_1 = mg
mg_orig_1 = mg_orig
mt_1 = mt
energy_2 = sqrt( sc ) ! collider energy
ms_2 = ms ! make sure INIT_SUSY is called first
mg_2 = mg
mt_2 = mt
mst1_2 = msq(-6)
mst2_2 = msq( 6)
call COMPUTE_SCALAR_ANGLE(mst,sin2t_2) ! compute scalar mixing angle from matrix
i_ngtest_common = i_ngtest ! on switch (i_ngtest=1) only for testing purpose
msq_common(-6:6) = msq(-6:6) ! also needs INIT_SUSY
isquark1_common = isquark1 ! needed by PROSPINO1
if (isquark1_common==9) isquark1_common=1 ! overwrite for mass degenerate case
isquark2_common = isquark2
if (isquark2_common==9) isquark2_common=1
scafac_1 = scafac
icoll_1 = icoll ! this is just the Tevatron/LHC flag now, as set in prospino_main.f90
iscapt = 0 ! always use the average final state mass as the scale
ilo_common = 50000 ! vegas iterations, but no impact here, go to initpdf.f
inlo_common = 50000
if (inlo==0) then ! leading order only flag
ionlylo_common = 1
else if (inlo==1) then
ionlylo_common = 0
else
print*, " FILL_COMMONS_SQ_GL: problem with inlo ",inlo
call HARD_STOP
end if
icharconj = 0 ! for distributions only: with respact to s or b
ptmin = 0.0 ! for distributions only
ptmax = energy_1
ymin = 0.0 ! for distributions only
ymax = 100.0
iflavor = 0 ! all initial state flavors available
itotal = 1 ! total cross section without cuts, faster version
end subroutine FILL_COMMONS_SQ_GL
end module xx_initialize