The relative yields of heavy hadrons as function of transverse momentum at LHC experiments

Abstract

It is shown that the dependence of ratio $f_s/f_d$ could be understood within the fragmentation approach. However, the validity of fragmentation model is questionable at low $p_T$, and contributions of nonfragmentation mechanisms are possible. It is demonstrated, that the precise measurements of $p_T$ dependence of $f_s/f_d$, $f_{{\Lambda }_b}/f_B$ and analogous values as function of $p_T$ can essentially improve our understanding of heavy hadron production.At large $p_T$ a plateau is expected in $f_s/f_d$ distribution. Contrary, a plateau is not expected in $f_{B_c}/f_B$ distribution on $p_T$.

Comments: 15 pages, 10 figures, revtex4, $f_{B_c}/f_B$ has been estimated for the LHCb fiducial region