CERN Accelerating science

CERN Preprints

Ultimi arrivi:
2018-10-17
06:01
White Rabbit Clock Synchronization: Ultimate Limits on Close-In Phase Noise and Short-Term Stability Due to FPGA Implementation / Rizzi, Mattia (CERN) ; Lipinski, Maciej (CERN) ; Ferrari, Paolo (U. Brescia) ; Rinaldi, Stefano (U. Brescia) ; Flammini, Alessandra (U. Brescia)
This paper investigates the ultimate limits of White Rabbit (WR), an high-accuracy time distribution system based on field-programmable gate array (FPGA). [...]
2018. - 12 p.

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2018-10-17
06:01
iMPACT: An Innovative Tracker and Calorimeter for Proton Computed Tomography / Mattiazzo, Serena (Padua U. ; TIFPA-INFN, Trento) ; Baruffaldi, Filippo (Padua U.) ; Bisello, Dario (Padua U. ; TIFPA-INFN, Trento) ; Di Ruzza, Benedetto (Bari Polytechnic) ; Giubilato, Piero (Padua U. ; TIFPA-INFN, Trento) ; Iuppa, Roberto (Trento U. ; TIFPA-INFN, Trento) ; La Tessa, Chiara (Trento U. ; TIFPA-INFN, Trento) ; Pantano, Devis (Padua U. ; TIFPA-INFN, Trento) ; Pozzobon, Nicola (Padua U. ; TIFPA-INFN, Trento) ; Ricci, Ester (Trento U. ; TIFPA-INFN, Trento) et al.
This contribution describes the first results obtained within the iMPACT project, which aims to build a novel proton computed-tomography (pCT) scanner for protons of energy up to 230 MeV, as used in hadron therapy. [...]
2018. - 8 p.

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2018-10-17
06:01
Modular Multilevel Converter Grid Interface for Klystron Modulators: An Augmented Modulation Scheme for Arm Balancing / Jankovic, Marija (Nottingham U.) ; Costabeber, Alessandro (Nottingham U.) ; Watson, Alan (Nottingham U.) ; Clare, Jon C (Nottingham U.) ; Aguglia, Davide (CERN)
This paper discusses the control of a modular multilevel converter (MMC) used as a grid interface for the klystron modulators in the compact linear collider (CLIC). [...]
2018. - 9 p.

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2018-10-17
04:03
Parton Shower and Matching Uncertainties in Top Quark Pair Production with Herwig 7 / Cormier, Kyle ; Plätzer, Simon ; Reuschle, Christian ; Richardson, Peter ; Webster, Stephen
We evaluate the theoretical uncertainties in next-to-leading order plus parton shower predictions for top quark pair production and decay in hadronic collisions. [...]
arXiv:1810.06493 ; CERN-TH-2018-219 ; HERWIG-2018-03 ; IPPP/18/91 ; LU-TP 18-33 ; MCNET-18-28 ; UWTHPH-2018-22.
- 38 p.
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2018-10-17
04:03
Demonstration of MeV-Scale Physics in Liquid Argon Time Projection Chambers Using ArgoNeuT / ArgoNeuT Collaboration
MeV-scale energy depositions by low-energy photons produced in neutrino-argon interactions have been identified and reconstructed in ArgoNeuT liquid argon time projection chamber (LArTPC) data. [...]
FERMILAB-PUB-18-559-ND ; arXiv:1810.06502.
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2018-10-17
04:03
$K^+ \to \pi^+ \nu \overline{\nu}$ - NA62 First Result / Velghe, Bob
The CERN NA62 experiment uses a novel "kaon decay-in-flight" technique to observe $K^+ \to \pi^+ \nu \overline{\nu}$. [...]
arXiv:1810.06424.
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2018-10-17
04:03
First observation of the $\mathrm{t\bar{t}H}$ process at CMS / Skovpen, Kirill
The top quark and the Higgs boson play a special role in the fundamental interactions of the standard model. [...]
arXiv:1810.05715.
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2018-10-17
04:03
HEP Software Foundation Community White Paper Working Group - Data and Software Preservation to Enable Reuse / Hildreth, M.D. (Notre Dame U.) ; Boehnlein, A. (Jefferson Lab) ; Cranmer, K. (New York U.) ; Dallmeier-Tiessen, S. (CERN) ; Gardner, R. (Chicago U.) ; Hacker, T. (Purdue U.) ; Heinrich, L. (New York U.) ; Jimenez, I. (UC, Santa Cruz) ; Kane, M. (Unlisted, DE) ; Katz, D.S. (NCSA, Urbana) et al.
In this chapter of the High Energy Physics Software Foundation Community Whitepaper, we discuss the current state of infrastructure, best practices, and ongoing developments in the area of data and software preservation in high energy physics. [...]
HSF-CWP-2017-06 ; arXiv:1810.01191 ; FERMILAB-FN-1060-CD.
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2018-10-16
17:53
Tests of QCD using jets at CMS / Cerci, Salim (Cukurova U.) /CMS Collaboration
Inclusive jets, dijets and multijets measurements can be utilized to test perturbative quantum chromodynamics (QCD) predictions and to measure the strong coupling constant $\alpha_{S}$ as well as to constrain parton distribution functions (PDFs). In this talk, the recent measurements using the $pp$ collisions data collected with the CMS detector at the LHC at different center-of-mass energies are presented..
CMS-CR-2018-065.- Geneva : CERN, 2018 - 5 p. Fulltext: PDF;
In : 2nd Iran-Turkey joint conference on LHC physics, Tehran, Iran, 23 - 26 Oct 2017

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2018-10-16
14:54
Feasibility study of a system for measuring the LHC dipole coil stresses with capacitive probes / Gilquin, J (CERN)
CERN-AT-MA-Internal-Note-93-90 ; CERN-AT-93-90-MA ; CERN-AT-MA-93-90.
- 1993. - 16 p.
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