Speaker
Description
We use the full Run II dataset consisting of $10.4\ \rm fb^{−1}$ of $p\bar p$ collisions recorded by the D0 detector at the Fermilab Tevatron collider at $\sqrt s=1.96\ $TeV to search for new exotic multiquark states. We report the evidence of a new state X(5568) decaying to $B^0_s\pi$ seen in the $B^0_s \to J/\psi\phi$ decay channel and its independent confirmation in the semi-leptonic channel $B^0_s \to \mu^{\pm} D_s^{\mp}X$. We also report on the search
for other exotic states.
We also study the forward-backward production asymmetries of baryons (Λ,Λb,Λc,Ξ,Ω) produced in proton antiproton collisions at s√=1.96 TeV recorded by the D0 detector at the Fermilab Tevatron collider. The forward-backward asymmetries are measured as a function of rapidity. We confirm that the production ratio of backward to forward events, measured by several experiments with various targets and a wide range of energies, is a universal function of "rapidity loss", i.e., the rapidity difference between the beam proton and the baryon, when the baryon shares a diquark with the proton
| Experimental Collaboration | D0 |
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