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View article: Up and down quark structure of the proton
Up and down quark structure of the proton Open
We report an improved measurement of the valence u and d quark distributions from the forward-backward asymmetry in the Drell-Yan process using 8.6 fb−1 of data collected with the D0 detector in pp¯ collisions at s=1.96. This analysis pro…
View article: Using graph neural networks to reconstruct charged pion showers in the CMS High Granularity Calorimeter
Using graph neural networks to reconstruct charged pion showers in the CMS High Granularity Calorimeter Open
A novel method to reconstruct the energy of hadronic showers in the CMS High Granularity Calorimeter (HGCAL) is presented. The HGCAL is a sampling calorimeter with very fine transverse and longitudinal granularity. The active media are sil…
View article: Measurement of the W boson helicity in top quark decays using 5.4 fb$^{\\boldsymbol{-1}}$ of $\\boldsymbol{p\\bar{p}}$ collision data
Measurement of the W boson helicity in top quark decays using 5.4 fb$^{\\boldsymbol{-1}}$ of $\\boldsymbol{p\\bar{p}}$ collision data Open
We present a measurement of the helicity of the W boson produced in top quark decays using t{bar t} decays in the {ell}+jets and dilepton final states selected from a sample of 5.4 fb{sup -1} of collisions recorded using the D0 detector at…
View article: Search for sneutrino production in $e\\mu$ final states in 5.3 fb$^{-1}$ of $p\\bar{p}$ collisions at $\\sqrt(s) =1.96$ TeV
Search for sneutrino production in $e\\mu$ final states in 5.3 fb$^{-1}$ of $p\\bar{p}$ collisions at $\\sqrt(s) =1.96$ TeV Open
We report the results of a search for R parity violating (RPV) interactions leading to the production of supersymmetric sneutrinos decaying into e{mu} final states using 5.3 fb{sup -1} of integrated luminosity collected by the D0 experimen…
View article: Azimuthal decorrelations and multiple parton interactions in photon+2 jet and photon+3 jet events in ppbar collisions at sqrt{s}=1.96 TeV
Azimuthal decorrelations and multiple parton interactions in photon+2 jet and photon+3 jet events in ppbar collisions at sqrt{s}=1.96 TeV Open
Samples of inclusive {gamma} + 2 jet and {gamma} + 3 jet events collected by the D0 experiment with an integrated luminosity of about 1 fb{sup -1} in p{bar p} collisions at {radical}s = 1.96 TeV are used to measure cross sections as a func…
View article: Search for universal extra dimensions in ppbar collisions
Search for universal extra dimensions in ppbar collisions Open
We present a search for Kaluza-Klein (KK) particles predicted by models with universal extra dimensions (UED) using a data set corresponding to an integrated luminosity of 7.3 fb{sup -1}, collected by the D0 detector at a p{bar p} center o…
View article: ZZ ---> l+ l- v anti-v production in p anti-p collisions at s**(1/2) = 1.96-TeV
ZZ ---> l+ l- v anti-v production in p anti-p collisions at s**(1/2) = 1.96-TeV Open
No abstract prepared.
View article: Measurement of the Lambda(b)0 lifetime using semileptonic decays
Measurement of the Lambda(b)0 lifetime using semileptonic decays Open
We report a measurement of the Lambda_b lifetime using a sample corresponding to 1.3 fb$^{-1}$ of data collected by the D0 experiment in 2002--2006 during Run II of the Fermilab Tevatron collider. The Lambda_b baryon is reconstructed via t…
View article: A measurement of the $WZ$ and $ZZ$ production cross sections using leptonic final states in 8.6 fb$^{-1}$ of $p\\bar{p}$ collisions
A measurement of the $WZ$ and $ZZ$ production cross sections using leptonic final states in 8.6 fb$^{-1}$ of $p\\bar{p}$ collisions Open
We study the processes p{bar p} {yields} WZ {yields} {ell}{nu}{ell}{sup +}{ell}{sup -} and p{bar p} {yields} ZZ {yields} {ell}{sup +}{ell}{sup -}{nu}{bar {nu}}, where {ell} = e or {mu}. Using 8.6 fb{sup -1} of integrated luminosity collect…
View article: Measurement of the B0(s) semileptonic branching ratio to an orbitally excited D**(s) state, Br(B0(s) ---> D-(s1)(2536) mu+ nu X)
Measurement of the B0(s) semileptonic branching ratio to an orbitally excited D**(s) state, Br(B0(s) ---> D-(s1)(2536) mu+ nu X) Open
In a data sample of approximately 1.3 fb{sup -1} collected with the D0 detector between 2002 and 2006, the orbitally excited charm state D{sub s1}{sup {+-}}(2536) has been observed with a measured mass of 2535.7 {+-} 0.6(stat) {+-} 0.5(sys…
View article: Nuclear modification of $\Upsilon$ states in pPb collisions at $\sqrt{s_\mathrm{NN}}$ = 5.02 TeV
Nuclear modification of $\Upsilon$ states in pPb collisions at $\sqrt{s_\mathrm{NN}}$ = 5.02 TeV Open
Production cross sections of $\Upsilon$(1S), $\Upsilon$(2S), and $\Upsilon$(3S) states decaying into \muplusmuminus in proton-lead (pPb) collisions are reported using data collected by the CMS experiment at$\sqrt{s_\mathrm{NN}}$ = 5.02 TeV…
View article: Search for lepton flavour violating decays of a neutral heavy Higgs boson to $\\mu\\tau$ and e$\\tau$ in proton-proton collisions at $\\sqrt{s}=$ 13 TeV
Search for lepton flavour violating decays of a neutral heavy Higgs boson to $\\mu\\tau$ and e$\\tau$ in proton-proton collisions at $\\sqrt{s}=$ 13 TeV Open
A search for lepton flavour violating decays of a neutral non-standard-model Higgs boson in the μτ and eτ decay modes is presented. The search is based on proton-proton collisions at a center of mass energy $ \\sqrt{s} $ = 13 TeV collected…
View article: Studies of $X(3872)$ and $\psi(2S)$ production in $p\bar{p}$ collisions at 1.96 TeV
Studies of $X(3872)$ and $\psi(2S)$ production in $p\bar{p}$ collisions at 1.96 TeV Open
We present various properties of the production of the $X(3872)$ and $ψ(2S)$ states based on $10.4 fb^{−1}$ collected by the D0 experiment in Tevatron $p\bar{p}$ collisions at $\sqrt{s}=1.96 TeV$. For both states, we measure the nonprompt …
View article: Determination of the strange-quark density of the proton from ATLAS measurements of the W___ and Z___ cross sections.
Determination of the strange-quark density of the proton from ATLAS measurements of the W___ and Z___ cross sections. Open
A QCD analysis is reported of ATLAS data on inclusive W(±) and Z boson production in pp collisions at the LHC, jointly with ep deep-inelastic scattering data from HERA. The ATLAS data exhibit sensitivity to the light quark sea composition …
View article: Evidence of W _ _ Production in p p Collisions at s = 8 _ _ TeV and Limits on Anomalous Quartic Gauge Couplings with the ATLAS Detector
Evidence of W _ _ Production in p p Collisions at s = 8 _ _ TeV and Limits on Anomalous Quartic Gauge Couplings with the ATLAS Detector Open
This Letter reports evidence of triple gauge boson production pp -> W(l nu)gamma gamma + X, which is accessible for the first time with the 8 TeV LHC data set. The fiducial cross section for thi ...
View article: Search for new phenomena in final states with an energetic jet and large missing transverse momentum in p p collisions at s = 13 _ _ TeV using the ATLAS detector
Search for new phenomena in final states with an energetic jet and large missing transverse momentum in p p collisions at s = 13 _ _ TeV using the ATLAS detector Open
Results of a search for new phenomena in final states with an energetic jet and large missing transverse momentum are reported. The search uses proton-proton collision data corresponding to an integrated luminosity of 3.2 fb_1 at sí=13 TeV…
View article: Search for Higgs and Z Boson Decays to __ with the ATLAS Detector.
Search for Higgs and Z Boson Decays to __ with the ATLAS Detector. Open
A search for the decays of the Higgs and Z bosons to a _ meson and a photon is performed with a pp collision data sample corresponding to an integrated luminosity of 2.7__fb^{-1} collected at sqrt[s]=13__TeV with the ATLAS detector at the …
View article: Managing Students
Managing Students Open
Managing Students is a quick read that attempts to guide faculty and staff through the complex world of university administration.With a seemingly endless number of issues to address, John Gledhill provides instruction for campus officials…
View article: Tevatron Run II combination of the effective leptonic electroweak mixing angle
Tevatron Run II combination of the effective leptonic electroweak mixing angle Open
Drell-Yan lepton pairs produced in the process $p\bar{p} → ℓ^+ ℓ^−$ + X through an intermediate γ∗/Z boson have an asymmetry in their angular distribution related to the spontaneous symmetry breaking of the electroweak force and the associ…
View article: Full band all-sky search for periodic gravitational waves in the O1 LIGO data
Full band all-sky search for periodic gravitational waves in the O1 LIGO data Open
We report on a new all-sky search for periodic gravitational waves in the frequency band 475-2000 Hz and with a frequency time derivative in the range of [-1.0, +0.1] x 10(-8) Hz/s. Potential signals could be produced by a nearby spinning …
View article: Combined Forward-Backward Asymmetry Measurements in Top-Antitop Quark Production at the Tevatron
Combined Forward-Backward Asymmetry Measurements in Top-Antitop Quark Production at the Tevatron Open
The CDF and D0 experiments at the Fermilab Tevatron have measured the asymmetry between yields of forward- and backward-produced top and antitop quarks based on their rapidity difference and the asymmetry between their decay leptons. These…
View article: First low-frequency Einstein@Home all-sky search for continuous gravitational waves in Advanced LIGO data
First low-frequency Einstein@Home all-sky search for continuous gravitational waves in Advanced LIGO data Open
We report results of a deep all-sky search for periodic gravitational waves from isolated neutron stars in data from the first Advanced LIGO observing run. This search investigates the low frequency range of Advanced LIGO data, between 20 …
View article: Search for intermediate mass black hole binaries in the first observing run of Advanced LIGO
Search for intermediate mass black hole binaries in the first observing run of Advanced LIGO Open
During their first observational run, the two Advanced LIGO detectors attained an unprecedented sensitivity, resulting in the first direct detections of gravitational-wave signals produced by stellar-mass binary black hole systems. This pa…
View article: Combination of D0 measurements of the top quark mass
Combination of D0 measurements of the top quark mass Open
We present a combination of measurements of the top quark mass by the D0 experiment in the lepton+jets and dilepton channels. We use all the data collected in Run I (1992–1996) at √s=1.8 TeV and Run II (2001–2011) at √s = 1.96 TeV of the T…
View article: Search for continuous gravitational waves from neutron stars in globular cluster NGC 6544
Search for continuous gravitational waves from neutron stars in globular cluster NGC 6544 Open
We describe a directed search for continuous gravitational waves in data from the sixth initial LIGO science run. The target was the nearby globular cluster NGC 6544 at a distance of approximate to 2.7 kpc. The search covered a broad band …
View article: Search for Higgs and Z Boson Decays to Ïγ with the ATLAS Detector
Search for Higgs and Z Boson Decays to Ïγ with the ATLAS Detector Open
© 2016 CERN. © 2016 CERN, for the ATLAS Collaboration. Published by the American Physical Society under the terms of the »http://creativecommons.org/licenses/by/3.0/» Creative Commons Attribution 3.0 License. Further distribution of th…
View article: Measurement of the top quark mass using the matrix element technique in dilepton final states
Measurement of the top quark mass using the matrix element technique in dilepton final states Open
We present a measurement of the top quark mass in pp¯ collisions at a center-of-mass energy of 1.96 TeV
\nat the Fermilab Tevatron collider. The data were collected by the D0 experiment corresponding to an
\nintegrated luminosity of 9.7 fb…
View article: Beam test evaluation of electromagnetic calorimeter modules made from proton-damaged PbWO<sub>4</sub>crystals
Beam test evaluation of electromagnetic calorimeter modules made from proton-damaged PbWO<sub>4</sub>crystals Open
The performance of electromagnetic calorimeter modules made of proton-irradiated PbWO4 crystals has been studied in beam tests. The modules, similar to those used in the Endcaps of the CMS electromagnetic calorimeter (ECAL), were formed fr…