Articles with "particle production" as a keyword



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No particle production in two dimensions: recursion relations and multi-Regge limit

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Published in 2019 at "Journal of High Energy Physics"

DOI: 10.1007/jhep02(2019)094

Abstract: A bstractWe introduce high-energy limits which allow us to derive recursion relations fixing the various couplings of Lagrangians of two-dimensional relativistic quantum field theories with no tree-level particle production in a very straightforward way. The… read more here.

Keywords: recursion relations; particle production; production two; two dimensions ... See more keywords
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Charged particle production rate from cosmic censorship in dilaton black hole spacetimes

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Published in 2019 at "Journal of High Energy Physics"

DOI: 10.1007/jhep10(2019)129

Abstract: Abstract Hiscock and Weems showed that under Hawking evaporation, an isolated asymptotically flat Reissner-Nordström (RN) black hole evolves in a surprising manner: if it starts with a relatively small value of charge-to-mass ratio Q/M, then… read more here.

Keywords: charged particle; particle production; black hole; cosmic censorship ... See more keywords
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Computation of gravitational particle production using adiabatic invariants

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Published in 2021 at "Journal of High Energy Physics"

DOI: 10.1007/jhep11(2021)146

Abstract: Abstract Analytic and numerical techniques are presented for computing gravitational production of scalar particles in the limit that the inflaton mass is much larger than the Hubble expansion rate at the end of inflation. These… read more here.

Keywords: particle production; computation gravitational; production; using adiabatic ... See more keywords
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Ultrafine Particle Production from the Ozonolysis of Personal Care Products.

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Published in 2017 at "Environmental science & technology"

DOI: 10.1021/acs.est.7b03596

Abstract: Personal care products (PCP) might be a source of ultrafine particle exposure for users owing to the reaction of ozone with terpene ingredients. The near-person emissions associated with PCP may contribute to exposures that would… read more here.

Keywords: particle production; personal care; particle; care products ... See more keywords
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Interaction rates in cosmology: heavy particle production and scattering

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Published in 2021 at "Classical and Quantum Gravity"

DOI: 10.1088/1361-6382/ac1b47

Abstract: We study transition rates and cross sections from first principles in a spatially flat radiation dominated cosmology. We consider a model of scalar particles to study scattering and heavy particle production from pair annihilation, drawing… read more here.

Keywords: particle production; particle horizon; cosmology; particle ... See more keywords
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Superadiabatic basis in cosmological particle production: application to preheating

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Published in 2021 at "Journal of Cosmology and Astroparticle Physics"

DOI: 10.1088/1475-7516/2021/09/009

Abstract: We discuss the adiabatic basis dependence of particle number in time-dependent backgrounds. In particular, we focus on preheating after inflation, and show that, for the optimal basis, the time dependence of the produced particle number… read more here.

Keywords: basis cosmological; particle production; superadiabatic basis; basis ... See more keywords
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Particle production during inflation: constraints expected from redshifted 21 cm observations from the epoch of reionization

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Published in 2022 at "Journal of Cosmology and Astroparticle Physics"

DOI: 10.1088/1475-7516/2023/04/058

Abstract: We examine a type of feature in the primordial scalar power spectrum, namely, the bump-like feature(s) that arise as a result of burst(s) of particle production during inflation. The latest CMB observations by Planck 2018… read more here.

Keywords: bump; power spectrum; power; production inflation ... See more keywords
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A note on tree factorization and no particle production

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Published in 2022 at "Journal of Physics A: Mathematical and Theoretical"

DOI: 10.1088/1751-8121/accb1e

Abstract: We prove factorization of the generating functional of connected tree diagrams by exploring that it is the Legendre transform of the action. This theorem is then applied to the example of a local relativistic interacting… read more here.

Keywords: factorization; particle production; tree factorization; note tree ... See more keywords
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Particle production at energies available at the CERN Large Hadron Collider within an evolutionary model

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Published in 2018 at "Physical Review C"

DOI: 10.1103/physrevc.97.064901

Abstract: The particle yields and particle number ratios in Pb+Pb collisions at the LHC energy $\sqrt{s_{NN}}=2.76$ TeV are described within the integrated hydrokinetic model (iHKM) at the two different equations of state (EoS) for the quark-gluon… read more here.

Keywords: particle production; number ratios; particle number; model ... See more keywords
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Intriguing similarities of high- pT particle production between pp and A−A collisions

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Published in 2019 at "Physical Review C"

DOI: 10.1103/physrevc.99.034911

Abstract: In this paper we study the particle production at high transverse momentum ($p_{\rm T}>8$ GeV/$c$) in both pp and Pb-Pb collisions at LHC energies. The characterization of the spectra is done using a power-law function… read more here.

Keywords: intriguing similarities; particle production; particle; power law ... See more keywords
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Identified-particle production in Xe + Xe collisions at sNN=5.44 TeV using a multiphase transport model

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Published in 2019 at "Physical Review C"

DOI: 10.1103/physrevc.99.064903

Abstract: Xe+Xe collisions at relativistic energies provide us with an opportunity to study a possible system with deconfined quarks and gluons, whose size is in between those produced by p+p and Pb+Pb collisions. In the present… read more here.

Keywords: particle production; transport model; particle ratios; model ... See more keywords