***************************************************************** Overview of changes between simulation productions SP4 to SP8 LEGEND: = : unchanged from previous SP version - : mode is removed from DECAY.DEC Last updated: Apr 28, 2006 J. Dingfelder ***************************************************************** ================ b -> u l nu ================ *** BRANCHING FRACTIONS B0 --> Xu- l+ nu_l (l+ = e+,mu+) Xu SP4 SP5 SP6 SP8 ------------------------------------------------------- pi- 0.000180 = = 0.000133 rho- 0.000260 = = 0.000269 a_1- 0.000165 = = - b_1- 0.000102 = = - a_0- 0.000014 = = - a_2- 0.000014 = = - rho(2S)- 0.000000 = = - Xu- 0.000616 0.001365 = 0.001892 *** BRANCHING FRACTIONS B0 --> Xu- tau+ nu_tau Xu SP4 SP5 SP6 SP8 ------------------------------------------------------- pi- 0.000060 = = = rho- 0.000083 = = = a_1- 0.000090 = = = b_1- 0.000008 = = = a_0- 0.000008 = = = a_2- 0.000008 = = = rho(2S)- 0.000000 = = = *** BRANCHING FRACTIONS B+ --> Xu0 l+ nu_l (l+ = e+,mu+) Xu SP4 SP5 SP6 SP8 ------------------------------------------------------- pi0 0.000090 = = 0.000072 eta 0.000030 = = 0.000084 rho0 0.000130 = = 0.000145 omega 0.000130 = = 0.000145 eta' 0.000060 = = 0.000084 a_10 0.000082 = = - a_20 0.000007 = = - b_10 0.000048 = = - a_00 0.000007 = = - f_0 0.000004 = = - f'_0 0.000004 = = - f_1 0.000041 = = - f'_1 0.000041 = = - h_1 0.000024 = = - h'_1 0.000024 = = - f_2 0.000004 = = - f'_2 0.000004 = = - Xu0 0.000616 0.001365 = 0.001948 *** BRANCHING FRACTIONS B+ --> Xu0 tau+ nu_tau Xu SP4 SP5 SP6 SP8 ------------------------------------------------------- pi0 0.000030 = = = eta 0.000012 = = = rho0 0.000042 = = = omega 0.000042 = = = eta' 0.000018 = = = a_10 0.000046 = = = b_10 0.000027 = = = a_00 0.000004 = = = f_0 0.000002 = = = f'_0 0.000002 = = = f_1 0.000023 = = = f'_1 0.000023 = = = h_1 0.000013 = = = h'_1 0.000013 = = = f_2 0.000020 = = = f'_2 0.000020 = = = *** FORM FACTOR B --> pi/eta/eta' l nu (f+ for l = e,mu) FF SP4 SP5 SP6 SP8 ------------------------------------------------------- Model ISGW2 = = = *** FORM FACTORS B --> rho/omega l nu (A1, A2, V for l = e,mu) FF SP4 SP5 SP6 SP8 ------------------------------------------------------- Model ISGW2 = = = *** INCLUSIVE - EXCLUSIVE MIX for B --> Xu l nu (l = e,mu) * SP4: EvtGenModels/EvtVub.cc Included inclusive B -> X_u l nu decays for m(X_u) > 1.26 GeV. with some thresholds to gradually switch from excl. to incl. modeling without big jumps keeping the better known excl. Brs at their actual values and constrain the incl. Br and weights in a way that ~40% of the total BR belongs to the mass region > 1.5 GeV. model_name="VUB" List of parameters: mb, a, alpha_s, nbins, m(X_u) thresholds and weights VUB 4.8 1.29 0.22 13 1.264 0.354 1.341 0.639 1.414 0.758 1.483 0.822 1.549 0.881 1.612 0.949 1.673 0.953 1.732 0.947 1.788 0.968 1.843 0.967 1.897 0.978 1.949 0.984 2 1; * SP5/6: Same model as in SP4, but with new m(X_u) binning and weights: VUB 4.8 1.29 0.22 20 0.30 0.55 1.20 0.61 1.26 0.85 1.34 1.08 1.41 1.21 1.48 1.30 1.55 1.30 1.61 1.33 1.67 1.36 1.73 1.39 1.79 1.33 1.84 1.42 1.90 1.39 1.95 1.39 2.00 1.37 2.50 1.30 3.00 0.74 3.50 0.99 4.00 1.09 4.50 1.00; * SP8: EvtGenModels/EvtVubHybrid.cc "Hybrid Model": Inclusive decays are reweighted in three kinematic variables mX, q2, and El (=> 512 weights total). model_name="VUBHYBRID"; The list of parameters and weights is included as ModelAliases (VubHybridB0, VubHybridBp) once per B charge state at the beginning of DECAY.DEC. List of parameters: mb, a, alpha_s, nbins_mX, nbins_q2, nbins_El, list of thresholds for mX, q2, El in ascending order. *** MASS Xu (GeV) Xu SP4 SP5 SP6 SP8 ------------------------------------------------------- pi- 0.139570 = = = pi0 0.134976 = = = eta 0.547840 0.547300 = = eta' 0.957770 = = = rho0 0.768500 = = = rho- 0.768500 = = = omega 0.782570 = = = phi 1.019410 = = = a_00 0.983500 = = = a_0- 0.983500 = = = f_0 1.000000 = = = f'_0 1.400000 = = = *** WIDTH Xu (GeV) Xu SP4 SP5 SP6 SP8 ------------------------------------------------------- pi- 0.00000 = = = pi0 0.00000 = = = eta 0.00000 = = = eta' 0.00020 = = = rho0 0.15100 = = = rho- 0.15100 = = = omega 0.00844 = = = phi 0.00443 = = = a_00 0.05700 = = = a_0+ 0.05700 = = = f_0 0.05000 = = = f'_0 0.30000 = = = *** MAX_DM Xu (GeV) Xu SP4 SP5 SP6 SP8 ------------------------------------------------------- pi- 0.000 = = = pi0 0.000 = = = eta 0.000 = = = eta' 0.002 = = = rho0 0.400 0.480 = = rho- 0.400 0.480 = = omega 0.080 0.180 = = phi 0.015 0.032 = = a_00 0.050 = = = a_0+ 0.050 = = = f_0 0.005 = = = f'_0 0.350 = = = ================ b -> c l nu ================ *** BRANCHING FRACTIONS B0 --> Xc- l+ nu_l (l+ = e+,mu+) Xc SP4 SP5 SP6 SP8 ------------------------------------------------------- D*- 0.0560 = = 0.0570 D- 0.0210 = = 0.0207 D_1- 0.0056 = = 0.0052 D_0*- 0.0020 = = 0.0045 D'_1- 0.0037 = = 0.0083 D_2*- 0.0037 = = 0.0023 D*- pi0 0.0010 = = 0.0003 anti-D*0 pi- 0.0020 = = 0.0007 D- pi0 0.0030 = = 0.0010 anti-D0 pi- 0.0060 = = 0.0020 *** BRANCHING FRACTIONS B0 --> Xc- tau+ nu_tau Xc SP4 SP5 SP6 SP8 ------------------------------------------------------- D*- 0.0160 = = = D- 0.0070 = = = D_1- 0.0013 = = = D_0*- 0.0013 = = = D'_1- 0.0020 = = = D_2*- 0.0020 = = = *** BRANCHING FRACTIONS B+ --> Xc0 l+ nu_l (l+ = e+,mu+) Xc SP4 SP5 SP6 SP8 ------------------------------------------------------- anti-D*0 0.0560 = = 0.0617 anti-D0 0.0210 = = 0.0224 anti-D_10 0.0056 = = 0.0056 anti-D_0*0 0.0020 = = 0.0049 anti-D'_10 0.0037 = = 0.0090 anti-D_2*0 0.0037 = = 0.0030 D*- pi+ 0.0020 = = 0.0006 anti-D*0 pi 0.0010 = = 0.0003 D- pi+ 0.0060 = = 0.0019 anti-D0 pi0 0.0030 = = 0.0010 *** BRANCHING FRACTIONS B+ --> Xc0 tau+ nu_tau Xc SP4 SP5 SP6 SP8 ------------------------------------------------------- anti-D*0 0.0160 = = = anti-D0 0.0070 = = = anti-D_10 0.0013 = = = anti-D_0*0 0.0013 = = = anti-D'_10 0.0020 = = = anti-D_2*0 0.0020 = = = *** FORM FACTOR B --> D l nu (rho_D^2 for l = e,mu) FF SP4 SP5 SP6 SP8 ------------------------------------------------------- Model ISGW2 = = = *** FORM FACTORS B --> D* l nu (R1, R2, rho^2 for l = e,mu) FF SP4 SP5 SP6 SP8 ------------------------------------------------------- Model HQET = = = R1 1.18 = = 1.33 R2 0.72 = = 0.92 rho^2 0.92 = = 0.77 *** MASS Xc (GeV) Xc SP4 SP5 SP6 SP8 ------------------------------------------------------- D- 1.8693 = = = D0 1.8645 = = = D*- 2.0100 = 2.009936 = D*0 2.0067 = 2.006620 = D_0*- 2.4000 = 2.308000 = D_0*0 2.4000 = 2.308000 = D_1- 2.4270 = = = D_10 2.4222 = = = D_2*- 2.4590 = = = D_2*0 2.4589 = = = D'_1- 2.4610 = = = D'_10 2.4610 = = = *** WIDTH Xc (GeV) Xc SP4 SP5 SP6 SP8 ------------------------------------------------------- D- 0.000000 = = = D0 0.000000 = = = D*- 0.000080 = = = D*0 0.000061 = = = D_0*- 0.150000 = 0.2760 = D_0*0 0.150000 = 0.2760 = D_1- 0.028000 = = = D_10 0.018900 = = = D_2*- 0.025000 = = = D_2*0 0.023000 = 0.0299 = D'_1- 0.290000 = = = D'_10 0.290000 = = = *** MAX_DM Xc (GeV) Xc SP4 SP5 SP6 SP8 ------------------------------------------------------- D- 0.0000 = = = D0 0.0000 = = = D*- 0.0004 = = = D*0 0.0003 = = = D_0*- 0.2500 = 0.303 = D_0*0 0.2500 = 0.299 = D_1- 0.0800 = 0.280 = D_10 0.0800 = 0.272 = D_2*- 0.0600 = 0.312 = D_2*0 0.0600 = 0.309 = D'_1- 0.2900 = 0.314 = D'_10 0.2900 = 0.311 = *** LIFETIME Xc (mm/c) Xc SP4 SP5 SP6 SP8 ------------------------------------------------------- D- 0.3150 = = = D0 0.1237 0.1234 = = D*- 0.0000 = = = D*0 0.0000 = = = D_0*- 0.0000 = = = D_0*0 0.0000 = = = D_1- 0.0000 = = = D_10 0.0000 = = = D_2*- 0.0000 = = = D_2*0 0.0000 = = = D'_1- 0.0000 = = = D'_10 0.0000 = = = ========================= Semileptonic D decays ========================= *** BRANCHING FRACTIONS D+ --> Xs/d0 e+ nu_e Xs/d SP4 SP5 SP6 SP8 ------------------------------------------------------- anti-K*0 0.0480 = = 0.0554 anti-K0 0.0670 = = 0.0900 anti-K_10 0.0036 = = = anti-K_2*0 0.0038 = = = pi0 0.0031 = = 0.0043 eta 0.0028 = = 0.0026 eta' 0.0011 = = 0.0005 rho0 0.0022 = = 0.0028 omega 0.0029 = = 0.0028 K- pi+ 0.0027 = = = anti-K0 pi0 - - - 0.0014 *** BRANCHING FRACTIONS D+ --> Xs/d0 mu+ nu_mu Xs/d SP4 SP5 SP6 SP8 ------------------------------------------------------- anti-K*0 0.0430 = = 0.0533 anti-K0 0.0700 = = 0.0874 anti-K_10 0.0036 = = = anti-K_2*0 0.0038 = = = pi0 0.0064 = = 0.0043 eta 0.0028 = = 0.0026 eta' 0.0011 = = 0.0005 rho0 0.0027 = = 0.0028 omega 0.0029 = = 0.0028 K- pi+ 0.0027 = = = anti-K0 pi0 - - - 0.0014 *** BRANCHING FRACTIONS D0 --> Xs/d- e+ nu_e Xs/d SP4 SP5 SP6 SP8 ------------------------------------------------------- K*- 0.0202 = = 0.0225 K- 0.0364 = = 0.0350 K_1- 0.0014 = = = K_2*- 0.0015 = = = pi- 0.0037 = = 0.0034 rho- 0.0029 = = 0.0022 anti-K0 pi- - - - 0.0011 K- pi0 - - - 0.0006 *** BRANCHING FRACTIONS D0 --> Xs/d- mu+ nu_mu Xs/d SP4 SP5 SP6 SP8 ------------------------------------------------------- K*- 0.0198 = = 0.0214 K- 0.0322 = = 0.0340 K_1- 0.0014 = = = K_2*- 0.0015 = = = pi- 0.0037 = = 0.0034 rho- 0.0029 = = 0.0022 anti-K0 pi- - - - 0.0011 K- pi0 - - - 0.0006 *** BRANCHING FRACTIONS D_s+ --> Xs/d0 l+ nu_l (l+ = e+,mu+) Xs/d SP4 SP5 SP6 SP8 ------------------------------------------------------- phi 0.0200 = = 0.0242 eta 0.0260 = = 0.0307 eta' 0.0089 = = 0.0106 anti-K0 0.0027 = = = anti-K*0 0.0010 = = =