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2019-02-19
15:12
Measurement of $b$-hadron fractions in 13 TeV $pp$ collisions
The production fractions of $\overline{B}{_s^0}$ and $\Lambda_b^0$ hadrons, normalized to the sum of $B^-$ and $\overline{B}{^0}$ fractions, are measured in 13 TeV pp collisions using data collected by the LHCb experiment, corresponding to an integrated luminosity of 1.67fb$^{-1}$. [...]
CERN-EP-2019-016 ; LHCB-PAPER-2018-050. - 2019.
Fulltext - Related data file(s)

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2019-02-19
13:43
Combinations of single-top-quark production cross-section measurements and $|f_{\rm LV}V_{tb}|$ determinations at $\sqrt{s}=7$ and 8 TeV with the ATLAS and CMS experiments
This paper presents the combinations of single-top-quark production cross-section measurements by the ATLAS and CMS Collaborations, using data from LHC proton-proton collisions at $\sqrt{s}=7$ and 8 TeV corresponding to integrated luminosities of 1.17 to 5.1 fb$^{-1}$ at $\sqrt{s}=7$ TeV, and 12.2 to 20.3 fb$^{-1}$ at $\sqrt{s}=8$ TeV. [...]
CERN-EP-2019-005. - 2019.
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2019-02-19
10:57
Measurements of bottomonium production in pp and PbPb collisions at $\sqrt{s_{\mathrm{NN}}\space}$ = 5.02 TeV / Oh, Geonhee (Chonnam Natl. U.) /CMS Collaboration
Bottomonia are important probes of the quark-gluon plasma since they are produced at early times and propagate through the medium. The production cross sections of the three $\Upsilon$ states (1S, 2S, 3S) were measured by CMS in pp and PbPb collisions at $\sqrt{s_{\mathrm{NN}}\space}$ = 5.02 ${\mathrm{TeV}}\space$. [...]
CMS-CR-2019-003.- Geneva : CERN, 2019 - 6 p. Fulltext: PDF;
In : Hard Probes 2018: International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions, Aix-les-bains, France, 1 - 5 Oct 2018

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2019-02-19
04:10
A magnetic spectrometer to measure electron bunches accelerated at AWAKE / AWAKE Collaboration
A magnetic spectrometer has been developed for the AWAKE experiment at CERN in order to measure the energy distribution of bunches of electrons accelerated in wakefields generated by proton bunches in plasma. [...]
arXiv:1902.05752. -
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2019-02-19
04:10
$t\bar{t}$ + $Z$ / $W$ / $t\bar{t}$ at ATLAS / Nellist, Clara (Gottingen U.)
The newest results from the ATLAS Collaboration for the production of a top-quark pair in association with a $Z$ or $W$ boson, and for the production of four top quarks, are summarised in these proceedings. [...]
arXiv:1902.00118. - 7 p.
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2019-02-18
13:51
Dalitz Plot analysis of the $D^+ \to K^- K^+ K^+$ decay
The resonant structure of the doubly Cabibbo-suppressed decay $D^+\to K^-K^+K^+$ is studied for the first time. [...]
arXiv:1902.05884 ; CERN-EP-2018-336 ; LHCB-PAPER-2018-039. - 2019.
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2019-02-17
04:30
Vector Boson Production in Association with a Jet at Forward Rapidities / Gehrmann-De Ridder, A. (Zurich, ETH ; Zurich U.) ; Gehrmann, T. (Zurich U.) ; Glover, E.W.N. (Durham U., IPPP) ; Huss, A. (CERN) ; Walker, D.M. (Durham U., IPPP)
Final states with a vector boson and a hadronic jet allow one to infer the Born-level kinematics of the underlying hard scattering process, thereby probing the partonic structure of the colliding protons. [...]
arXiv:1901.11041 ; IPPP/19/2 ; ZU-TH 03/19 ; CERN-TH-2019-004. - 13 p.
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2019-02-17
04:30
Top SciComm: Communicating ATLAS Top Physics Results to the Public / Nellist, Clara (Gottingen U.) ; Anthony, Katarina (Udine U.) ; Goldfarb, Steven (Melbourne U.) ; Mehlhase, Sascha (Munich U.) ; Shaw, Kate (Sussex U.) ; Thais, Savannah Jennifer (Yale U.) ; Ward, Emma (Udine U.)
An essential component of the long-term success of scientific research is communicating the methodology and significance of new results to the wider public. [...]
arXiv:1901.11324 ; SNSN-323-63. - 6 p.
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2019-02-17
04:29
Time Resolution Studies with Timepix3 Assemblies with Thin Silicon Pixel Sensors / Pitters, Florian (CERN ; TU Vienna) ; Tehrani, Nilou Alipour (CERN) ; Dannheim, Dominik ; Fiergolski, Adrian (CERN) ; Hynds, Daniel (CERN) ; Klempt, Wolfgang (CERN) ; Llopart, Xavi (CERN) ; Munker, Magdalena (CERN) ; Nürnberg, Andreas (CERN) ; Spannagel, Simon (CERN) et al.
Timepix3 is a multi-purpose readout ASIC for hybrid pixel detectors. [...]
arXiv:1901.07007. - 12 p.
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2019-02-16
13:01
Measurement of the four-lepton invariant mass spectrum in 13 TeV proton-proton collisions with the ATLAS detector / ATLAS Collaboration
A measurement of the four-lepton invariant mass spectrum is made with the ATLAS detector, using an integrated luminosity of 36.1 fb$^{-1}$ of proton-proton collisions at $\sqrt{s}$ = 13 TeV delivered by the Large Hadron Collider. [...]
arXiv:1902.05892 ; CERN-EP-2018-318. - 2019. - 51 p, 51 p.
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