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CERN Preprints

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2020-02-25
04:09
Cylinder partition function of the 6-vertex model from algebraic geometry / Bajnok, Zoltan ; Jacobsen, Jesper Lykke ; Jiang, Yunfeng ; Nepomechie, Rafael I. ; Zhang, Yang
We compute the exact partition function of the isotropic 6-vertex model on a cylinder geometry with free boundary conditions, for lattices of intermediate size, using Bethe ansatz and algebraic geometry. [...]
arXiv:2002.09019 ; CERN-TH-2020-019 ; UMTG-303 ; USTC-ICTS/PCFT-20-04.
- 62 p.
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2020-02-25
04:09
Background in the CMS muon detectors: simulation and measurements with pp collision data / Costantini, Silvia
The CMS muon system at the LHC is built of different detector technologies. [...]
arXiv:2002.09060.
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2020-02-25
04:09
Improvement, generalization, and scheme conversion of Wilson-line operators on the lattice in the auxiliary field approach / Green, Jeremy R. ; Jansen, Karl ; Steffens, Fernanda
Nonlocal quark bilinear operators connected by link paths are used for studying parton distribution functions (PDFs) and transverse momentum-dependent PDFs of hadrons using lattice QCD. [...]
arXiv:2002.09408 ; CERN-TH-2020-028.
- 15 p.
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2020-02-25
04:09
Probing QCD using top quark pair production at $\sqrt{s} = 13~\mathrm{TeV}$ in CMS / Defranchis, Matteo M.
Measurements of the top quark-antiquark pair production cross section, $\sigma_\mathrm{t\bar{t}}$, can be used to constrain the strong coupling constant, $\alpha_{S}$, the top quark mass, $m_\mathrm{t}$, and the parton distribution functions (PDFs). [...]
arXiv:2002.09288.
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2020-02-25
04:08
Constraining the Higgs valence contribution in the proton / Fernbach, Simon (Graz U.) ; Lechner, Lukas (Vienna, OAW) ; Maas, Axel (Graz U.) ; Plätzer, Simon (Schrodinger Inst., Vienna) ; Schöfbeck, Robert (Vienna, OAW)
Non-perturbative gauge-invariance under the strong and the weak interactions dictates that the proton contains a non-vanishing valence contribution from the Higgs particle. [...]
arXiv:2002.01688 ; UWTHPH-19-38.
- 20 p.
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2020-02-24
10:48
Vertex and Tracking Detector R&D for CLIC / Munker, Magdalena (CERN)
The physics goals at the proposed future Compact Linear Collider (CLIC) pose challenging demands on the performance of the detector system. Precise hit-time tagging with a few nanoseconds resolution is required for the vertex and tracking detectors, as well as a very low mass per layer combined with a single-plane spatial resolution of a few micrometers. [...]
CLICdp-Conf-2020-003.- Geneva : CERN, 2020 - 10. Fulltext: PDF;
In : 12th international "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors, Hiroshima, Japan, 14 - 18 Dec 2019

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2020-02-23
15:41
Measurement of the cross section for electroweak production of a Z boson, a photon and two jets in proton-proton collisions at $\sqrt{s} = $ 13 TeV and constraints on anomalous quartic couplings
A measurement is presented of the cross section for electroweak production of a Z boson and a photon in association with two jets ( $\mathrm{Z \gamma jj}$) in proton-proton collisions. [...]
CERN-EP-2020-007 ; CMS-SMP-18-007-003.
- 2020.
Additional information for the analysis - CMS AuthorList - Fulltext

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2020-02-22
04:11
Preparation and operation of SiW-ECAL technological prototype for DESY test beam 2019 / Goto, Kiichi
We are developing SiW-ECAL technological prototypes with the aim of optimizing readout structure for $e^+e^-$ linear collider application. [...]
arXiv:2002.06480.
- 9 p.
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2020-02-21
10:18
Measurement of $CP$ observables in $B^\pm \to D K^\pm$ and $B^\pm \to D \pi^\pm$ with $D \to K_{\rm{S}}^0 K^\pm \pi^\mp$ decays / LHCb Collaboration
Measurements of $CP$ observables in $B^\pm \to D K^\pm$ and $B^\pm \to D \pi^\pm$ decays are presented, where $D$ represents a superposition of $D^0$ and $\bar{D}^0$ states. [...]
arXiv:2002.08858 ; LHCB-PAPER-2019-044 ; CERN-EP-2020-015 ; LHCB-PAPER-2019-044-003 ; LHCB-PAPER-2019-044.
- 2020. - 26 p, 26 p.
Fulltext - Related data file(s) - Fulltext

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2020-02-21
04:32
Beyond the Starobinsky model for inflation / Cheong, Dhong Yeon ; Lee, Hyun Min ; Park, Seong Chan
We single out the Starobinsky model and its extensions among generic $f(R)$ gravity as attractors at large field values for chaotic inflation. [...]
arXiv:2002.07981 ; YHEP-COS20-04 ; CAU-THEP-2020-02 ; CERN-TH-2020-022.
- 6 p.
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