717
717
double precision ER, costheta, sigmawn0SI, sigmawp0SI
718
718
double precision MD, ve, diff, double_diff, diffcmp1, diffcmp2
719
719
double precision fA, Z, sigmawn0SD, sigmawp0SD
720
double precision Zna, ZI, Zcarb, Zfl, Zsul
720
double precision Zna, zii, Zcarb, Zfl, Zsul
721
721
double precision avgsn, avgsp, Js, Jsna, JsI, Jsc, Jsfl, Jssul
722
722
double precision avgsnna, avgsnI, avgsnc, avgsnfl, avgsns
723
723
double precision avgspna, avgspI, avgspc, avgspfl, avgsps
724
724
double precision Aflour, AIo, Asod, Acarb, Asulp
725
double precision Ana(10), AI(10), Abna(10), AbI(10), Abfl(10)
725
double precision Ana(10), Aii(10), Abna(10), AbI(10), Abfl(10)
726
726
double precision Afl(10), Acarbo(10), Abcarbo(10)
727
727
double precision Asulph(10), Absulph(10)
728
728
double precision A(10), Ab(10)
773
773
Asod = Asod/nsod ! Average of all abundance weighted Na contributions
775
call target_material(7, AI, AbI, ZI, nIo)
775
call target_material(7, Aii, AbI, zii, nIo)
776
776
call Spin_matrix(7, JsI, avgspI, avgsnI)
778
778
call diff_array(ER,costheta,sigmawn0SI,sigmawp0SI,sigmawn0SD,sigmawp0SD,MD,ve,
779
& 7, AI, AbI, ZI, nIo, JsI, avgspI, avgsnI, diffcmp2,flag)
779
& 7, Aii, AbI, zii, nIo, JsI, avgspI, avgsnI, diffcmp2,flag)
783
AIo = AIo + AI(i)*AbI(i) ! Adding all the I components weighted by their abundances
783
AIo = AIo + Aii(i)*AbI(i) ! Adding all the I components weighted by their abundances
785
785
AIo = AIo/nIo ! Average of all abundance weighted Na contributions
886
886
Integer i, j, k, flag, n, mater
887
double precision sec, KeV, cm, fm, km, barn, picbarn, GeV, MeV
888
double precision MeVtoKev, GevtoKeV, c, v0, vesc, ve, AMU
889
double precision E0, MD0, RhoD, rn, muA, kmtocm, cs, daytosec, hrtosec
890
double precision Naa, kratio, yrtosec, tontokg, hukgtokg, GeVtoMev
887
double precision E0, MD0, rn, muA, v0, vesc, vearth, AMU, rhoD,c, ve
888
double precision kratio
891
889
double precision MD, day, costheta
892
double precision diff, ER, vearth, invcmtoGeV, cmtoinvGeV
893
double precision m_neutron, m_proton, fn, fp, Z, mu_p, mu_n
890
double precision diff, ER
891
double precision fn, fp, Z, mu_p, mu_n
894
892
double precision ap, an, sigmawp0SI, sigmawn0SI, sigmawp0SD, sigmawn0SD
895
893
double precision sigmawpSI, sigmawnSI, sigmawpSD, sigmawnSD
896
double precision avgsp, avgsn, Js, formsd, g1, mq, lambbda, G_fermi
894
double precision avgsp, avgsn, Js, formsd, mq, lambbda
897
895
double precision IcSD, FWS
899
897
double precision A(10), Ab(10)
928
926
Allocate (SigmaSI(n))
929
927
Allocate (sigmaSD(n))
930
928
Allocate (sigmaWN(n))
938
! Some important constants and conversion factors.
944
picbarn = 1.d-12*1.d-24*cm**2
947
invcmtoGeV = 1.98d-14 ! converts cm^-1 to GeV
948
cmtoinvGeV = 5.076d+13 ! converts cm to GeV^-1
950
daytosec = 24.d0*60.d0*60.d0
951
hrtosec = 60.d0*60.d0
956
c = 3.d+5*(km/sec) ! Speed of light
933
E0 = (1.d0/2.d0)*MD0*((v0/c)**2)*GeVtoKeV ! most probable kinetic energy of WIMPs
935
sigmawnSI = sigmawn0SI*picobarn !WIMP-proton spin independent cross-section in cm^2
936
sigmawpSI = sigmawp0SI*picobarn !WIMP-neutron spin independent cross-section in cm^2
938
sigmawnSD = sigmawn0SD*picobarn !WIMP-neutron spin dependent cross-section in cm^2
939
sigmawpSD = sigmawp0SD*picobarn !WIMP-proton spin dependent cross-section in cm^2
941
mu_p = MD0*M_proton/(MD0 + M_proton) ! reduced mass of Proton-WIMP
942
mu_n = MD0*M_neutron/(MD0 + M_neutron) ! reduced mass of Neutron-WIMP
957
944
v0 = vMP*(km/sec) !Most Probable velocity of WIMPs in DM Halo
958
945
vesc = vescape*(km/sec) ! Escape velocity of a WIMP from the Galactic Halo.
959
946
vearth = ve*(km/sec) ! Velocity of the Earth, taken from the V_E function.
960
947
AMU = 0.932d0*(GeV/cs**2) ! Atomic Mass Units
961
948
RhoD = rhoDM*GeV*cs**(-2)*cm**(-3) !Density of Dark Matter in our local part of the Galaxy.
962
Naa = 6.023d+26 ! Avogadro's number
963
M_neutron = 0.939*(GeV/cs**2) ! Mass of the Neutron
964
M_proton = 0.938*(GeV/cs**2) ! Mass of the Proton
965
G_fermi = 1.166d-5*(GeV**(-2)) ! Fermi Constant
966
g1 = 0.357088d0 ! value of the U(1) gauge coupling constant
971
E0 = (1.d0/2.d0)*MD0*((v0/c)**2)*GeVtoKeV ! most probable kinetic energy of WIMPs
973
sigmawnSI = sigmawn0SI*picbarn !WIMP-proton spin independent cross-section in cm^2
974
sigmawpSI = sigmawp0SI*picbarn !WIMP-neutron spin independent cross-section in cm^2
976
sigmawnSD = sigmawn0SD*picbarn !WIMP-neutron spin dependent cross-section in cm^2
977
sigmawpSD = sigmawp0SD*picbarn !WIMP-proton spin dependent cross-section in cm^2
979
mu_p = MD0*M_proton/(MD0 + M_proton) ! reduced mass of Proton-WIMP
980
mu_n = MD0*M_neutron/(MD0 + M_neutron) ! reduced mass of Neutron-WIMP
950
c = 3.d+5 ! Speed of light in km/s
982
952
c form factor contribution terms for the spin independent calculation.
983
953
fn = sqrt((pi/4.d0)*sigmawnSI*(1.d0/mu_n)**2.d0) ! cm/GeV
1034
1004
write(*,*) 'DM Mass is', MD0,'GeV/c^2'
1035
1005
write(*,*) 'Recoil Energy :', ER,'keV'
1037
write(*,*) 'Spin Independent cross-section:', sigmaSI(i)/picbarn ,'pb'
1038
write(*,*) 'Spin dependent cross-section :', sigmaSD(i)/picbarn ,'pb'
1007
write(*,*) 'Spin Independent cross-section:', sigmaSI(i)/picobarn ,'pb'
1008
write(*,*) 'Spin dependent cross-section :', sigmaSD(i)/picobarn ,'pb'
1040
1010
write(*,*) 'an =', an*cmtoinvGeV
1041
1011
write(*,*) 'an =', an*cmtoinvGeV