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Inclusive production of the $X(4140)$ state in $p \overline p $ collisions at D0 / D0 Collaboration
We present a study of the inclusive production of the $X(4140)$ with the decay to the $J/\psi \phi$ final state in hadronic collisions. Based on $10.4~\rm{fb^{-1}}$ of $p \overline p $ collision data collected by the D0 experiment at the Fermilab Tevatron collider, we report the first evidence for the prompt production of $X(4140)$ and find the fraction of $X(4140)$ events originating from $b$ hadrons to be $f_b=0.39\pm 0.07 {\rm \thinspace (stat)} \pm 0.10 {\rm \thinspace (syst)} $ [...]
arXiv:1508.07846; FERMILAB-PUB-15-373-E; FERMILAB-PUB-15-373-E.- 2015-12-02 - 8 p. - Published in : Phys. Rev. Lett. 115 (2015) 232001 Fulltext: PDF; External link: Fermilab Accepted Manuscript

Detaljerad journal

Simultaneous measurement of forward-backward asymmetry and top polarization in dilepton final states from $t\bar t$ production at the Tevatron / D0 Collaboration
We present a simultaneous measurement of the forward-backward asymmetry and the top-quark polarization in $t\bar t$ production in dilepton final states using 9.7 fb$^{-1}$ of proton-antiproton collisions at $\sqrt{s}=1.96$ TeV with the D0 detector. To reconstruct the distributions of kinematic observables we employ a matrix element technique that calculates the likelihood of the possible $t\bar t$ kinematic configurations. [...]
arXiv:1507.05666; FERMILAB-PUB-15-312-E; FERMILAB-PUB-15-312-E.- 2015-09-22 - 16 p. - Published in : Phys. Rev. D 92 (2015) 052007 Fulltext: PDF; External link: Fermilab Accepted Manuscript

Detaljerad journal

Search for Violation of $CPT$ and Lorentz invariance in ${B_s^0}$ meson oscillations / D0 Collaboration
We present the first search for CPT-violating effects in the mixing of ${B_s^0}$ mesons using the full Run II data set with an integrated luminosity of 10.4 fb$^{-1}$ of proton-antiproton collisions collected using the D0 detector at the Fermilab Tevatron Collider. We measure the CPT-violating asymmetry in the decay $B_s^0 \to \mu^\pm D_s^\pm$ as a function of celestial direction and sidereal phase. [...]
arXiv:1506.04123; FERMILAB-PUB-15-258-E; FERMILAB-PUB-15-258-E.- 2015-10-14 - 8 p.
- Published in : Phys. Rev. Lett. Fulltext: arXiv:1506.04123 - PDF; fermilab-pub-15-258-e - PDF; External links: Fermilab Today Result of the Week; Fermilab Accepted Manuscript

Detaljerad journal

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 / D0 Collaboration
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. [...]
arXiv:1503.03917; FERMILAB-PUB-15-080-E; FERMILAB-PUB-15-080-E.- 2015-04-27 - 7 p. - Published in : Phys. Rev. D 91 (2015) 072008 Fulltext: PDF; External links: Fermilab Today Result of the Week; Fermilab Accepted Manuscript

Detaljerad journal

Precision measurement of the top-quark mass in lepton+jets final states / D0 Collaboration
We measure the mass of the top quark in lepton$+$jets final states using the full sample of $p\bar{p}$ collision data collected by the D0 experiment in Run II of the Fermilab Tevatron Collider at $\sqrt s=1.96 $TeV, corresponding to $9.7 {\rm fb}^{-1}$ of integrated luminosity. We use a matrix element technique that calculates the probabilities for each event to result from $t\bar t$ production or background. [...]
arXiv:1501.07912; FERMILAB-PUB-15-021-E; FERMILAB-PUB-15-021-E.- 2015-06-04 - 39 p. - Published in : Phys. Rev. D 91 (2015) 112003 Fulltext: PDF; External link: Fermilab Accepted Manuscript

Detaljerad journal

Measurement of the ratio of inclusive cross sections $\sigma (p\bar{p} \rightarrow Z+2~b~\text{jets}) / \sigma (p\bar{p} \rightarrow Z+ \text{2 jets})$ in $p\bar{p}$ collisions at $\sqrt s=1.96$ TeV / D0 Collaboration
We measure the ratio of cross sections, $\sigma(p\bar{p}\rightarrow Z+2~b~\text{jets})$/$\sigma(p\bar{p}\rightarrow Z+\text{2 jets})$, for associated production of a $Z$ boson with at least two jets with transverse momentum $p_T^{\rm jet} > 20$ GeV and pseudorapidity $|\eta^{\rm jet}| < 2.5$. This measurement uses data corresponding to an integrated luminosity of 9.7 fb$^{-1}$ collected by the \DO experiment in Run II of Fermilab's Tevatron \ppbar Collider at a center-of-mass energy of 1.96 TeV. [...]
arXiv:1501.05325; FERMILAB-PUB-15-013-E; FERMILAB-PUB-15-013-E.- 2015-03-17 - 9 p. - Published in : Phys. Rev. D 91 (2015) 052010 Fulltext: PDF; External link: Fermilab Accepted Manuscript

Detaljerad journal

Measurement of the $W+b$-jet and $W+c$-jet differential production cross sections in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV / D0 Collaboration
We present a measurement of the cross sections for the associated production of a $W$ boson with at least one heavy quark jet, $b$ or $c$, in proton-antiproton collisions. Data corresponding to an integrated luminosity of 8.7 fb$^{-1}$ recorded with the D0 detector at the Fermilab Tevatron \ppbar Collider at $\sqrt{s}=1.96$ TeV are used to measure the cross sections differentially as a function of the jet transverse momenta in the range 20 to 150 GeV. [...]
arXiv:1412.5315; FERMILAB-PUB-14-525-E.- 2015-04-09 - 9 p. - Published in : Phys. Lett. B 743 (2015) 6-14 Article from SCOAP3: PDF; Elsevier Open Access article: PDF; Fulltext: PDF; External links: Fermilab Today Result of the Week; Fulltext

Detaljerad journal

Measurement of the electron charge asymmetry in $\boldsymbol{p\bar{p}\rightarrow W+X \rightarrow e\nu +X}$ decays in $\boldsymbol{p\bar{p}}$ collisions at $\boldsymbol{\sqrt{s}=1.96}$~TeV / D0 Collaboration
We present a measurement of the electron charge asymmetry in $p\bar{p}\rightarrow W+X \rightarrow e\nu +X$ events at a center-of-mass energy of 1.96 TeV, using data corresponding to 9.7~fb$^{-1}$ of integrated luminosity collected with the D0 detector at the Fermilab Tevatron Collider. The asymmetry is measured as a function of the electron pseudorapidity and is presented in five kinematic bins based on the electron transverse energy and the missing transverse energy in the event. [...]
arXiv:1412.2862; FERMILAB-PUB-14-514-E; FERMILAB-PUB-14-514-E.- 2015-02-18 - 26 p.
Fulltext: PDF; External link: Fermilab Accepted Manuscript

Detaljerad journal

Measurement of the forward-backward asymmetry in the production of $B^{\pm}$ mesons in $p\bar{p}$ collisions at $\sqrt{s}$ = 1.96 TeV / D0 Collaboration
We present a measurement of the forward-backward asymmetry in the production of $B^{\pm}$ mesons, $A_{\rm FB}(B^{\pm})$, using $B^{\pm} \rightarrow J/\psi K^{\pm}$ decays in 10.4 ${\rm fb}^{-1}$ of $p\bar{p}$ collisions at $\sqrt{s} = 1.96$ TeV collected by the D0 experiment during Run II of the Tevatron collider. A non-zero asymmetry would indicate a preference for a particular flavor, i.e., $b$ quark or $\bar{b}$ anti-quark, to be produced in the direction of the proton beam. [...]
arXiv:1411.3021; FERMILAB-PUB-14-472-E; FERMILAB-PUB-14-472-E.- 2015-02-04 - 8 p. - Published in : Phys. Rev. Lett. 114 (2015) 051803 FERMILABPUB: PDF; Fulltext: PDF; External link: Preprint

Detaljerad journal

10.

Measurement of the $\phi^*_\eta$ distribution of muon pairs with masses between 30 and 500 GeV in 10.4 fb$^{-1}$ of $p\bar{p}$ collisions / D0 Collaboration
We present a measurement of the distribution of the variable $\phi^*_\eta$ for muon pairs with masses between 30 and 500 GeV, using the complete Run II data set collected by the D0 detector at the Fermilab Tevatron proton-antiproton collider. This corresponds to an integrated luminosity of 10.4 fb$^{-1}$ at $\sqrt{s}$ = 1.96 TeV. [...]
arXiv:1410.8052; FERMILAB-PUB-14-430-E; FERMILAB-PUB-14-430-E.- 2015-04-06 - 13 p. - Published in : Phys. Rev. D 91 (2015) 072002 Fulltext: PDF; External links: Fermilab Accepted Manuscript; Rivet analyses reference

Detaljerad journal

Se också: liknande författarnamn
89	Osta, J
10	Osta, J.

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