Measurement of the forward-backward asymmetry in ${\Lambda }_b^0$ and ${\overline{\Lambda }}_b^0$ baryon production in $p\overline{p}$ collisions at $\sqrt{s}=1.96$ TeV

Abstract

We measure the forward-backward asymmetry in the production of ${\Lambda }_b^0$ and ${\overline{\Lambda }}_b^0$ baryons as a function of rapidity in $p\overline{p}$ collisions at $\sqrt{s}=1.96$ TeV using $10.4$ fb${}^{-1}$ of data collected with the D0 detector at the Fermilab Tevatron collider. The asymmetry is determined by the preference of ${\Lambda }_b^0$ or ${\overline{\Lambda }}_b^0$ particles to be produced in the direction of the beam protons or antiprotons, respectively. The measured asymmetry integrated over rapidity $y$ in the range $0.1<|y|<2$ is $A=0.04\pm 0.07(\mathrm{stat})\pm 0.02(\mathrm{syst})$.

Submitted to Phys. Rev. D

References in corpus (6)

• Big-Bang Nucleosynthesis
• Measurement of the Lambda(b) cross section and the anti-Lambda(b) to Lambda(b) ratio with Lambda(b) to J/Psi Lambda decays in pp collisions at sqrt(s) = 7 TeV
• Measurement of the Lambda_b^0 lifetime in the exclusive decay Lambda_b^0 -> J/psi Lambda^0 in ppbar collisions at sqrt(s)=1.96 TeV
• Lambda_c^+/Lambda_c^- and Lambda_b^0/\bar{Lambda}_b^0 production asymmetry at the LHC from heavy quark recombination
• Measurement of the Forward-Backward Asymmetry in the Production of $B^{\pm }$ Mesons in $p\bar{p}$ Collisions at $\sqrt{s}$ = 1.96 TeV
• Asymmetry in ${\Lambda }_b$ and ${\bar{\Lambda }}_b$ production

Cited by in corpus (4)

• Bottom-Quark Forward-Backward and Charge Asymmetries at Hadron Colliders
• Observation of the ${\Lambda }_{\mathrm{b}}^0$ $\to$ J/$\psi \Lambda \varphi$ decay in proton-proton collisions at $\sqrt{s}=$ 13 TeV
• Towards the understanding of heavy quarks hadronization: from leptonic to heavy-ion collisions
• Measurement of the forward-backward asymmetries in the production of $\Xi$ and $\Omega$ baryons in $p\bar{p}$ collisions