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2021-10-26
09:40
Search for Higgs bosons decaying into new spin-0 or spin-1 particles in four-lepton final states with the ATLAS detector with 139 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=13$ TeV
Searches are conducted for new spin-0 or spin-1 bosons using events where a Higgs boson with mass $125$ GeV decays into four leptons ($\ell =$ $e$, $\mu$). [...]
CERN-EP-2021-193.
- 2021.
Fulltext - Previous draft version

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2021-10-26
04:35
Transverse spherocity dependence of azimuthal anisotropy in heavy-ion collisions at the LHC using a multi-phase transport model / Mallick, Neelkamal (Indian Inst. Tech., Indore) ; Sahoo, Raghunath (Indian Inst. Tech., Indore ; CERN) ; Tripathy, Sushanta (INFN, Bologna) ; Ortiz, Antonio (Mexico U., ICN)
One of the event shape observables, the transverse spherocity ($S_0$), has been studied successfully in small collision systems such as proton-proton collisions at the LHC as a tool to separate jetty and isotropic events. [...]
arXiv:2110.04098.
- 5 p.
Fulltext

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2021-10-26
04:34
Effect of nuclear density profile on the global properties in O+O collisions at the Large Hadron Collider using a multi-phase transport model / Behera, Debadatta (Indian Inst. Tech., Indore) ; Mallick, Neelkamal (Indian Inst. Tech., Indore) ; Tripathy, Sushanta (INFN, Bologna) ; Prasad, Suraj (Indian Inst. Tech., Indore) ; Mishra, Aditya Nath (Wigner RCP, Budapest) ; Sahoo, Raghunath (Indian Inst. Tech., Indore ; CERN)
Oxygen ($^{16}$O) ions are planned to be injected at the Large Hadron Collider (LHC) in its next runs and a day of physics run is anticipated for O+O collisions at $\sqrt{s_{\rm{NN}}}$ = 7 TeV. [...]
arXiv:2110.04016.
- 11 p.
Fulltext

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2021-10-26
04:32
Implementation of machine learning techniques to predict impact parameter and transverse spherocity in heavy-ion collisions at the LHC / Mishra, Aditya Nath (Wigner RCP, Budapest) ; Mallick, Neelkamal (Indian Inst. Tech., Indore) ; Tripathy, Sushanta (INFN, Bologna) ; Deb, Suman (Indian Inst. Tech., Indore) ; Sahoo, Raghunath (Indian Inst. Tech., Indore ; CERN)
Machine learning techniques have been quite popular recently in the high-energy physics community and have led to numerous developments in this field. [...]
arXiv:2110.04026.
- 5 p.
Fulltext

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2021-10-26
04:32
Extension of Glauber-like model for Proton-Proton collisions using anisotropic and inhomogeneous density profile / Deb, Suman (Indian Inst. Tech., Indore) ; Sarwar, Golam (Indian Inst. Tech., Indore) ; Thakur, Dhananjaya (Indian Inst. Tech., Indore) ; S., Pavish  (Bergische U., Wuppertal (main)) ; Sahoo, Raghunath (Indian Inst. Tech., Indore ; CERN) ; Alam, Jan-e (Calcutta, VECC)
The formation of partonic medium in the relativistic heavy-ion collisions is always marked by the values of the ratio of certain observables assuming $pp$ collisions as a reference. [...]
arXiv:2110.03977.
- 6 p.
Fulltext

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2021-10-26
04:32
Jet substructure measurements with ALICE / Vertesi, Robert (Wigner RCP, Budapest)
A selection of new jet substructure measurements are reported from the ALICE experiment at the CERN LHC in both proton-proton and heavy-ion collisions. [...]
arXiv:2110.11606.
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Fulltext

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2021-10-26
04:30
Five-dimensional gauge theories and the local B-model / Brini, Andrea (Sheffield U. ; CERN) ; Osuga, Kento
We propose an effective framework for computing the prepotential of the topological B-model on a class of local Calabi--Yau geometries related to the circle compactification of five-dimensional $\mathcal{N}=1$ super Yang--Mills theory with simple gauge group. [...]
arXiv:2110.11638.
- 42 p.
Fulltext

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2021-10-26
04:30
Study of the jet transport coefficient at the Large Hadron Collider energies using Color String Percolation Model / Sahu, Dushmanta (Indian Inst. Tech., Indore) ; Mishra, Aditya Nath (Wigner RCP, Budapest) ; Sahoo, Raghunath (Indian Inst. Tech., Indore ; CERN)
In order to have a better understanding of the matter formed in ultra-relativistic collisions, we estimate the jet transport coefficient, $\hat q$, within the Color Sting Percolation Model (CSPM) for various multiplicity classes in proton-proton collisions and centrality classes in nucleus-nucleus collisions at the Large Hadron Collider energies. [...]
arXiv:2110.03961.
- 5 p.
Fulltext

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2021-10-25
22:50
Search for long-lived particles produced in association with a Z boson in proton-proton collisions at $\sqrt{s} = $ 13 TeV
A search for long-lived particles (LLPs) produced in association with a Z boson is presented. [...]
CERN-EP-2021-198 ; CMS-EXO-20-003-003.
- 2021.
Additional information for the analysis - CMS AuthorList - Fulltext

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2021-10-25
17:17
Prospects for di-Higgs measurements in the $\mathrm{b\bar{b}\gamma\gamma}$ final state at the High-Luminosity LHC with the Phase-II CMS detector / Monti, Fabio (Beijing, Inst. High Energy Phys.) /CMS Collaboration
The prospects for the study of the production of a pair of Higgs bosons, where one decays into two photons and the other one into a bottom quark-antiquark pair, are presented for center-of-mass energy of 14 TeV at the High-Luminosity LHC. The analysis is developed using a parametric simulation of the PhaseII upgraded CMS detector and optimized for an integrated luminosity of 3000 fb$^{-1}$. [...]
CMS-CR-2019-261.- Geneva : CERN, 2019 - 3 p. Fulltext: PDF;
In : 18th Incontri di Fisica delle Alte Energie, Naples, Italy, 8 - 10 April 2019

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