Figure 1: J/ψ invariant mass distribution with a Gaussian fit superimposed.

Figure 2: Invariant mass M(K⁺ μ⁺μ)^- distribution with the B⁺ mass peak for signal (red) and combinatorial b - bbar background (blue).

Figure 3: B⁺ mass fit with the both signal (red) and background (blue) contributions shown separately.

(a) 10<=p_T<18 GeV (b) 18<=p_T<26 GeV

(c) 26<=p_T<34 GeV (d) 34<=p_T<42 GeV.

Figure 4: Fit of the B⁺ mass in various p_T ranges.

Figure 5. B⁺ lifetime fit (left) with the signal (dashed red) and the background (dashed black) contributions shown separately and B⁺ lifetime resolution (right).

Table 1: Monte Carlo data set used for the B⁺ study. The N_gen(B⁺-> J/ψ K⁺) events are the ones contained in the whole generated sample.

Table 2: J/ψ reconstruction efficiencies with and without λ cut.

Table 3: Efficiency A and B⁺ mass width σ(B⁺) for the various p_T bins.

Table 4: Overall efficiency and B⁺ mass width for all B⁺ with p_T>10 GeV.

Table 5: Results for the lifetime fit

Table 6: Statistical and total uncertainties for the B⁺ -> J/ψ K⁺ differential and total cross-section measurements for an integrated luminosity of 0.01 fb^-1. Total uncertainties include luminosity and BR systematic uncertainties.