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2021-09-22
04:25
Soft QCD results from ALICE / Tripathy, Sushanta (INFN, Bologna)
High-energy hadronic collisions are dominated by soft interactions with low momentum transfers. [...]
arXiv:2109.08959. - 5 p.

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2021-09-22
04:22
Comment on "More Axions from Strings'' / Hindmarsh, Mark (U. Helsinki (main) ; CERN ; Helsinki U. ; Sussex U. ; Birmingham U.) ; Lizarraga, Joanes (Basque U., Bilbao) ; Lopez-Eiguren, Asier (Tufts U.) ; Urrestilla, Jon (Basque U., Bilbao)
We comment on a claim that axion strings show a long-term logarithmic increase in the number of Hubble lengths per Hubble volume [arXiv:2007.04990], thereby violating the standard "scaling" expectation of an O(1) constant. [...]
arXiv:2109.09679. - 10 p.

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2021-09-22
04:21
Tripartite information at long distances / Agón, César A. (Balseiro Inst., San Carlos de Bariloche) ; Bueno, Pablo (CERN) ; Casini, Horacio (Balseiro Inst., San Carlos de Bariloche)
We compute the leading term of the tripartite information at long distances for three spheres in a CFT. [...]
arXiv:2109.09179. - 25 p.

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2021-09-22
04:17
Angular correlations of heavy-flavour hadron decay electrons and charged particles in pp collisions at $\sqrt{s}$ = 5.02 TeV with ALICE at the LHC / Singh, Ravindra (Indian Inst. Tech., Indore)
Two-particle azimuthal correlations of electrons from heavy-flavour hadron decays with charged particles can give insight into the properties of heavy-quark production and hadronization into heavy-flavour jets.\\ In this contribution, the ALICE results measured in pp collisions at 5.02 TeV, collected in the LHC Run 2, are presented. [...]
arXiv:2109.09318. - 5 p.

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2021-09-22
04:17
Heavy flavor collectivity in small systems / Krintiras, Georgios Konstantinos
The presence of correlations between particles significantly separated in pseudorapidity in proton-proton and proton-nucleus collisions revealed surprises in the early LHC data. [...]
arXiv:2109.09125. -

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2021-09-21
16:43
Measurement of the $c$-jet mistagging efficiency in $t\bar{t}$ events using $pp$ collision data at $\sqrt{s}=13$ TeV collected with the ATLAS detector
A technique is presented to measure the efficiency with which $c$-jets are mistagged as b-jets (mistagging efficiency) using $t\bar{t}$ events, where one of the $W$ bosons decays into an electron or muon and a neutrino and the other decays into a quark-antiquark pair. [...]
CERN-EP-2021-166. - 2021.
Fulltext - Previous draft version

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2021-09-21
04:02
An Altarelli Cocktail for the MiniBooNE Anomaly? / Brdar, Vedran (Fermilab ; Northwestern U.) ; Kopp, Joachim (CERN ; Mainz U., Inst. Phys.)
We critically examine a number of theoretical uncertainties affecting the MiniBooNE short-baseline neutrino oscillation experiment in an attempt to better understand the observed excess of electron-like events [...]
arXiv:2109.08157 ; CERN-TH-2021-131 ; FERMILAB-PUB-21-450-T ; MITP-21-042 ; NUHEP-TH/21-14. - 25 p.

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2021-09-19
15:48
On the chiral anomaly and the Yang-Mills gradient flow / Lüscher, Martin (CERN ; Bern U. ; U. Bern, AEC)
There are currently two singularity-free universal expressions for the topological susceptibility in QCD, one based on the Yang-Mills gradient flow and the other on density-chain correlation functions. [...]
arXiv:2109.07965 ; CERN-TH-2021-132. - 9 p.

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2021-09-19
15:48
Measurement of $\mathrm{D}$-meson production as a function of charged-particle multiplicity in proton--proton collisions at $\sqrt{s} = 13$ TeV with ALICE at the LHC / Bailung, Yoshini (Indian Inst. Tech., Indore)
Heavy quarks (charm and beauty) are produced in hard-scattering processes and the study of their production in proton--proton (pp) collisions is an important test for calculations based on perturbative Quantum Chromodynamics (pQCD). [...]
arXiv:2109.07992. - 5 p.

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2021-09-19
15:38
Charmonium suppression in ultra-relativistic Proton-Proton collisions at LHC energies: A hint for QGP in small systems / Singh, Captain R. (Indian Inst. Tech., Indore) ; Deb, Suman (Indian Inst. Tech., Indore) ; Sahoo, Raghunath (Indian Inst. Tech., Indore ; CERN) ; Alam, Jan-e (Calcutta, VECC)
Proton-proton ($pp$) collision has been considered as a baseline to study the system produced in relativistic heavy-ion (AA) collisions with the basic assumption that no thermal medium is formed in $pp$ collisions. [...]
arXiv:2109.07967. - 14 p.

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