CERN Accelerating science

CERN Preprints

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2022-11-30
15:37
Tests of neutrino mass models at CMS / Qian, Sitian (Peking U.) /CMS Collaboration
The latest results and prospects of searches for heavy neutrinos at the CMS experiment will be presented..
CMS-CR-2022-258.- Geneva : CERN, 2022 - 6 p. Fulltext: PDF;
In : 23rd International Workshop on Neutrinos from Accelerators (NuFact 2022), Snowbird, Salt Lake City, Utah, United States, 30 Jul - 6 Aug 2022

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2022-11-30
11:00
A detector system for 'absolute' measurements of fission cross sections at n_TOF in the energy range below 200 MeV / n_TOF Collaboration
A new measurement of the $^{235}$U(n,f) cross section was performed at the neutron time-of-flight facility n_TOF at CERN. [...]
arXiv:2211.13323.
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Fulltext

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2022-11-30
11:00
Anomalies and the Green-Schwarz Mechanism / Alvarez-Gaume, Luis (Stony Brook U., New York, SCGP ; CERN) ; Vazquez-Mozo, Miguel A. (Salamanca U.)
Anomalies are a very powerful tool in constraining theories beyond the standard model. [...]
arXiv:2211.06467.
- 43 p.
Fulltext

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2022-11-30
11:00
System size and energy dependence of proton rapidity spectra from NA61/SHINE at the CERN SPS / Panova, Oleksandra (Jan Kochanowski U.) ; Lewicki, Maciej (Cracow, INP)
NA61/SHINE is an experiment at the CERN Super Proton Synchrotron. [...]
arXiv:2211.13987.
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Fulltext

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2022-11-30
11:00
Search for high-mass exclusive $\gamma\gamma$$\to$ WW and $\gamma\gamma$$\to$ ZZ production in proton-proton collisions at $\sqrt{s}$ = 13 TeV
A search is performed for exclusive high-mass $\gamma\gamma$$\to$ WW and $\gamma\gamma$$\to$ ZZ production in proton-proton collisions using intact forward protons reconstructed in near-beam detectors, with both weak bosons decaying into boosted and merged jets. [...]
CMS-SMP-21-014 ; CERN-EP-2022-177 ; arXiv:2211.16320.
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2022-11-30
11:00
Constraining Single-Field Inflation with MegaMapper / Cabass, Giovanni (Princeton, Inst. Advanced Study) ; Ivanov, Mikhail M. ; Philcox, Oliver H.E. ; Simonovic, Marko ; Zaldarriaga, Matias
We forecast the constraints on single-field inflation from the bispectrum of future high-redshift surveys such as MegaMapper. [...]
CERN-TH-2022-203 ; arXiv:2211.14899.
- 6 p.
Fulltext

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2022-11-29
17:38
Search for high-mass exclusive $ \gamma\gamma \to \mathrm{W}\mathrm{W} $ and $ \gamma\gamma \to \mathrm{Z}\mathrm{Z} $ production in proton-proton collisions at $ \sqrt{s}= $ 13 TeV
A search is performed for exclusive high-mass $ \gamma\gamma \to \mathrm{W}\mathrm{W} $ and $ \gamma\gamma \to \mathrm{Z}\mathrm{Z} $ production in proton-proton collisions using intact forward protons reconstructed in near-beam detectors, with both weak bosons decaying into boosted and merged jets. [...]
CERN-EP-2022-177 ; CMS-SMP-21-014-003.
- 2022.
Additional information for the analysis - CMS AuthorList - Fulltext

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2022-11-29
12:02
Tools for estimating fake/non-prompt lepton backgrounds with the ATLAS detector at the LHC
Measurements and searches performed with the ATLAS detector at the CERN Large Hadron Collider often involve signatures with one or more prompt leptons. [...]
CERN-EP-2022-214 ; arXiv:2211.16178.
- 2022. - 44 p, 44 p.
Fulltext - Previous draft version - Fulltext

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2022-11-28
19:54
New trigger strategies for CMS during Run 3 / Fontanesi, Elisa (Boston U.) /CMS Collaboration
The CMS experiment at the Large Hadron Collider (LHC) features a sophisticated two-level triggering system composed of the Level 1 (L1) trigger, instrumented by custom-design hardware boards, and the High Level Trigger (HLT), a software based trigger exploiting a complete event information and full detector resolution. The CMS L1 trigger relies on separate calorimeter and muon trigger systems that provide jet, e/$\gamma$, $\tau$, and muon candidates along with calculations of energy sums to the global trigger (GT), where selections are based on the candidate kinematics. [...]
CMS-CR-2022-256.- Geneva : CERN, 2022 - 7 p. Fulltext: PDF;
In : 41st International Conference on High Energy Physics (ICHEP 2022), Bologna, Italy, 6 - 13 Jul 2022

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2022-11-28
19:54
Studies of top quark spin and polarization in CMS / Iemmi, Fabio (Beijing, Inst. High Energy Phys.) /CMS Collaboration
We describe the latest results obtained by the CMS Collaboration on top quark spin and polarization properties. The top quark spin asymmetry is measured both targeting single-top quark production in the t-channel and single-top quark production in association with a Z boson. [...]
CMS-CR-2022-252.- Geneva : CERN, 2022 - 8 p. Fulltext: PDF;
In : 15th International Workshop on Top-Quark Physics (TOP 2022), Durham, UK, 4 - 9 Sep 2022

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