CERN Accelerating science

SEE ALSO: PREPRINTS
ABOUT PREPRINTS
The Preprints collection aims to cover as far as possible all the grey literature in particle physics and its related technologies. The collection contains something like 400,000 documents, out of which about 50% can be accessed electronically. The documents originate from a variety of institutes all over the world. The collection, currently available, starts in 1979 and it has a full coverage of the arXiv.org e-Print archive since its beginning in 1991.

Preprints

Latest additions:
2021-10-21
19:36
Measurement of the inclusive and differential WZ production cross sections, polarization angles, and triple gauge couplings in pp collisions at $\sqrt{s} = $ 13 TeV
The associated production of a W and a Z boson is studied in final states with multiple leptons produced in proton-proton (pp) collisions at a centre-of-mass energy of 13 TeV using 137 fb$^{-1}$ of data collected with the CMS detector at the LHC. [...]
CERN-EP-2021-163 ; CMS-SMP-20-014-003.
- 2021.
Additional information for the analysis - CMS AuthorList - Fulltext

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2021-10-21
07:34
Recent results of $\text{D}^{0}$ mesons azimuthal anisotropy using the CMS detector / Bernardes, Cesar A. (Madrid U. ; Frankfurt U.)
In a relativistic heavy ion collision, heavy flavor (charm and bottom) quarks are mostly created via hard processes at the early stage of the collisions. [...]
arXiv:2110.09878.
- 6 p.
Fulltext

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2021-10-20
11:52
Tests of lepton universality using $B^0\to K^0_S \ell^+ \ell^-$ and $B^+\to K^{*+}\ell^+\ell^-$ decays
Tests of lepton universality in $B^0\to K^0_S \ell^+ \ell^-$ and $B^+\to K^{*+}\ell^+\ell^-$ decays where $\ell$ is either an electron or a muon are presented. [...]
CERN-EP-2021-208 ; arXiv:2110.09501 ; LHCB-PAPER-2021-038.
- 2021.
Fulltext - Related data file(s) - Supplementary information

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2021-10-20
09:50
Beam Instabilities in Circular Particle Accelerators / Metral, Elias (CERN)
The theory of impedance-induced bunched-beam coherent instabilities is reviewed following Laclare's formalism, adding the effect of an electronic damper in the transverse plane. [...]
CERN-ACC-SLIDES-2021-0001.
- 2021.

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2021-10-20
04:23
Thin Film (High Temperature) Superconducting Radiofrequency Cavities for the Search of Axion Dark Matter / Golm, J. (CERN) ; Arguedas Cuendis, S.  (CERN) ; Calatroni, S. (CERN) ; Cogollos, C. (ICC, Barcelona U.) ; Döbrich, B. (CERN) ; Gallego, J.D. (Yebes Astron. Ctr.) ; García Barceló, J.M.  (Cartagena Politecnica U.) ; Granados, X. (Barcelona, Autonoma U.) ; Gutierrez, J. (Barcelona, Autonoma U.) ; Irastorza, I.G. (Zaragoza U.) et al.
The axion is a hypothetical particle which is a candidate for cold dark matter. [...]
arXiv:2110.01296.
- 5 p.
Fulltext

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2021-10-20
04:14
Account of baryonic feedback effect in the $\gamma$-ray measurements of intergalactic magnetic fields / Bondarenko, Kyrylo (CERN ; Ecole Polytechnique, Lausanne) ; Boyarsky, Alexey (Leiden U.) ; Korochkin, Alexander (APC, Paris ; Moscow, INR ; Novosibirsk State U.) ; Neronov, Andrii (APC, Paris ; U. Geneva (main)) ; Semikoz, Dmitri (APC, Paris ; Moscow, INR ; Moscow Phys. Eng. Inst.) ; Sokolenko, Anastasia (OAW, Vienna)
Intergalactic magnetic fields in the voids of the large-scale structure can be probed via measurements of secondary gamma-ray emission from gamma-ray interactions with extragalactic background light. [...]
arXiv:2106.02690.
- 8 p.
Fulltext

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2021-10-20
04:13
Improving Variational Autoencoders for New Physics Detection at the LHC with Normalizing Flows / Jawahar, Pratik (CERN) ; Aarrestad, Thea (CERN) ; Pierini, Maurizio (CERN) ; Wozniak, Kinga A. (CERN) ; Ngadiuba, Jennifer (Fermilab) ; Duarte, Javier (UC, San Diego) ; Tsan, Steven (UC, San Diego)
We investigate how to improve new physics detection strategies exploiting variational autoencoders and normalizing flows for anomaly detection at the Large Hadron Collider. [...]
arXiv:2110.08508.
- 3 p.
Fulltext

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2021-10-18
13:10
Search for massive long-lived particles decaying semileptonically at $\sqrt{s}=13$ TeV / LHCb Collaboration
A search is performed for massive long-lived particles (LLP) decaying semileptonically into a muon and two quarks. [...]
arXiv:2110.07293 ; LHCb-PAPER-2021-028 ; CERN-EP-2021-186 ; LHCB-PAPER-2021-028.
- 2021.
Fulltext - Related data file(s) - Supplementary information - Fulltext

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2021-10-16
04:31
Sparse Data Generation for Particle-Based Simulation of Hadronic Jets in the LHC / Orzari, Breno (SPRACE) ; Tomei, Thiago (SPRACE) ; Pierini, Maurizio (CERN) ; Touranakou, Mary (CERN ; Athens Natl. Capodistrian U.) ; Duarte, Javier (UC, San Diego (main)) ; Kansal, Raghav (UC, San Diego (main)) ; Vlimant, Jean-Roch (Caltech, Pasadena (main)) ; Gunopulos, Dimitrios (Athens Natl. Capodistrian U.)
We develop a generative neural network for the generation of sparse data in particle physics using a permutation-invariant and physics-informed loss function. [...]
arXiv:2109.15197.
- 4 p.
Fulltext

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2021-10-16
04:27
Leading-Color Two-Loop Amplitudes for Four Partons and a W Boson in QCD / Abreu, S. (CERN ; U. Edinburgh, Higgs Ctr. Theor. Phys. ; UCLA) ; Cordero, F. Febres ; Ita, H. ; Klinkert, M. ; Page, B. (CERN) ; Sotnikov, V. (Munich, Max Planck Inst.)
We present the leading-color two-loop QCD corrections for the scattering of four partons and a $W$ boson, including its leptonic decay. [...]
arXiv:2110.07541 ; CERN-TH-2021-156 ; FR-PHENO-2021-12 ; MPP-2021-181.
- 31 p.
Fulltext

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