CERN Accelerating science

CERN Preprints

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2022-01-28
09:52
Study of excited $\Lambda_{\mathrm{b}}^0$ baryons at the CMS experiment / Polikarpov, Sergey (Moscow Phys. Eng. Inst.) /CMS Collaboration
Using the data collected by the CMS experiment at the LHC during 2016--2018, a study of beauty baryons decaying into $\Lambda_{\mathrm{b}}^0\pi^+\pi^-$ is reported. The states $\Lambda_{\mathrm{b}}(5912)^0$, $\Lambda_{\mathrm{b}}(5920)^0$, $\Lambda_{\mathrm{b}}(6146)^0$, and $\Lambda_{\mathrm{b}}(6152)^0$ are confirmed and their masses are measured..
CMS-CR-2020-119.- Geneva : CERN, 2020 - 6 p. Fulltext: PDF;
In : Moscow International School of Physics 2020, Moscow, Russian Federation, 3 - 9 Mar 2020

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2022-01-28
09:30
An atmospheric infrared data link for transmission of beam information / Beger, Horst (CERN) ; Bosser, J ; Boussard, D ; Lambert, G ; Mann, J ; Stellfeld, D
SPS-ARF-Note-85-3 ; CERN-SPS-ARF-Note-85-3.
- 1985.

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2022-01-28
06:02
Studies on Triple-GEM Detectors in high radiation environment with gas recirculation / Corbetta, Mara (Lyon U.) ; Guida, Roberto (CERN) ; Mandelli, Beatrice (CERN)
At the CERN LHC experiments, several gaseous detector technologies are operated in gas recirculation mode to lower operational costs and gas emissions. [...]
2020. - 3 p.

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2022-01-28
04:14
Wilson Coefficients and Natural Zeros from the On-Shell Viewpoint / Rose, Luigi Delle (Barcelona, IFAE ; BIST, Barcelona) ; von Harling, Benedict (Barcelona, IFAE ; BIST, Barcelona) ; Pomarol, Alex (Barcelona, IFAE ; BIST, Barcelona ; Barcelona, Autonoma U. ; CERN)
We show how to simplify the calculation of the finite contributions from heavy particles to EFT Wilson coefficients by using on-shell methods. [...]
arXiv:2201.10572.
- 17 p.
Fulltext

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2022-01-28
04:10
Properties, ensembles and hadron spectra with Stabilised Wilson Fermions / Cuteri, Francesca (Frankfurt U.) ; Francis, Anthony (U. Bern, AEC ; NYCU, Hsinchu ; CERN) ; Fritzsch, Patrick (Trinity Coll., Dublin) ; Pederiva, Giovanni (Michigan State U.) ; Rago, Antonio (Plymouth U. ; CERN) ; Shindler, Andrea (Michigan State U.) ; Walker-Loud, Andre (LBNL, NSD) ; Zafeiropoulos, Savvas (Marseille, CPT)
In this joint contribution we announce the formation of the "OPEN LATtice initiative", https://openlat1.gitlab.io, to study Stabilised Wilson Fermions (SWF). [...]
arXiv:2201.03874.
- 18 p.
Fulltext

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2022-01-28
04:05
First demonstration of 200, 100, and 50 um pitch Resistive AC-Coupled Silicon Detectors (RSD) with 100% fill-factor for 4D particle tracking / Mandurrino, M. (INFN, Turin) ; Arcidiacono, R. (INFN, Turin ; CERN ; Piemonte Orientale U., Novara) ; Boscardin, M. (Fond. Bruno Kessler, Trento ; TIFPA-INFN, Trento) ; Cartiglia, N. (INFN, Turin) ; Dalla Betta, G.F. (INFN, Trento ; TIFPA-INFN, Trento ; Trento U.) ; Ferrero, M. (INFN, Turin ; Turin U.) ; Ficorella, F. (Fond. Bruno Kessler, Trento ; TIFPA-INFN, Trento) ; Pancheri, L. (INFN, Trento ; TIFPA-INFN, Trento ; Trento U.) ; Paternoster, G. (Fond. Bruno Kessler, Trento ; TIFPA-INFN, Trento) ; Siviero, F. (INFN, Turin ; Turin U.) et al.
We designed, produced, and tested RSD (Resistive AC-Coupled Silicon Detectors) devices, an evolution of the standard LGAD (Low-Gain Avalanche Diode) technology where a resistive n-type implant and a coupling dielectric layer have been implemented. [...]
arXiv:1907.03314.
- 4 p.
Fulltext

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2022-01-28
04:03
Discrete spacetime symmetries, second quantization and inner products in a non-Hermitian Dirac fermionic field theory / Alexandre, Jean (King's Coll. London) ; Ellis, John (King's Coll. London ; NICPB, Tallinn ; CERN) ; Millington, Peter (Nottingham U.)
We extend to a non-Hermitian fermionic quantum field theory with PT symmetry our previous discussion of second quantization, discrete symmetry transformations and inner products in a scalar field theory [arXiv:2006.06656]. [...]
arXiv:2201.11061 ; KCL-PH-TH/2021-79 ; CERN-TH-2021-172.
- 28 p.
Fulltext

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2022-01-27
22:43
Search for invisible decays of the Higgs boson produced via vector boson fusion in proton-proton collisions at $\sqrt{s} = $ 13 TeV
A search for invisible decays of the Higgs boson produced via vector boson fusion (VBF) has been performed with 101 fb$^{-1}$ of proton-proton collisions delivered by the LHC at $\sqrt{s} = $ 13 TeV and collected by the CMS detector in 2017 and 2018. [...]
CERN-EP-2021-273 ; CMS-HIG-20-003-003.
- 2022.
Additional information for the analysis - CMS AuthorList - Fulltext

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2022-01-27
16:08
Top quark cross sections in CMS / Chanon, Nicolas Pierre (IP2I, Lyon) /CMS Collaboration
Recent measurements of top quark pair production and single top quark production in pp collisions at the CMS experiment are presented. These proceedings focus on the measurement of top quark pair production at 5 TeV center-of-mass energy, mesurements of top quark pair production in the full kinematic range at 13 TeV, and the measurement of single top quark production associated with a W in the lepton+jets channel at 13 TeV. [...]
CMS-CR-2022-015.- Geneva : CERN, 2022 - 5 p. Fulltext: PDF;
In : 32nd Rencontres de Blois on Particle Physics and Cosmology, Blois, Fr, 17 - 22 Oct 2021

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2022-01-27
16:08
Management of conference presentations in CMS / Meyer, Arnd (Aachen, Tech. Hochsch.) /CMS Collaboration
Presentation of the achievements and results to the community of reference in conferences and workshops is a major duty of any scientific collaboration. Large collaborations face the issue of ensuring at the same time the highest quality, a proper recognition of the work done by its members and an adequate representation of all the contributing bodies and institutions, and of the diversity of the collaboration. [...]
CMS-CR-2022-009.- Geneva : CERN, 2022 - 10 p. Fulltext: PDF;
In : 22nd International Workshop on Neutrinos from Accelerators, Cagliari, Italy, 6 - 11 Sep 2021

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