20190620 13:20 
[PUBDB201902521]
Preprint/Report
Dubovyk, I. ; Freitas, A. ; Gluza, J. ; et al
Chapter B: Theory status of Zboson physics
[DESY18122]
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20190618 10:35 
[PUBDB201902490]
Preprint/Report
Ablinger, J. ; Blümlein, J. ; Marquard, P. ; et al
Three loop heavy quark form factors and their asymptotic behavior
[DESY19096, DOTH 19/09, SAGEX201913]
A summary of the calculation of the colorplanar and complete light quark contributions to the massive threeloop form factors is presented. Here a novel calculation method for the Feynman integrals is used, solving general univariate first order factorizable systems of differential equations. [...]
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20190613 11:33 
[PUBDB201902473]
Preprint/Report
Brose, R. ; Sushch, I. ; Pohl, M. ; et al
Nonthermal emission from the reverse shock of the youngest galactic Supernova remnant G1.9+0.3
[arXiv:1906.02725]
Context. The youngest Galactic supernova remnant G1.9+0.3 is an interesting target for next generation gammaray observatories. [...]
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ddc:520
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20190612 18:49 
[PUBDB201902471]
Preprint/Report
Longhi, P. ; Nieri, F. ; Pittelli, A.
Localization of 4d $\mathcal{N} = 1$ theories on $\mathbb{D}^2 \times \mathbb{T}^2$
[arXiv:1906.02051]
We consider 4d $\mathcal{N} = 1$ gauge theories with Rsymmetry on a hemisphere times a torus. We apply localization techniques to evaluate the exact partition function through a cohomological reformulation of the supersymmetry transformations [...]
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20190611 10:58 
[PUBDB201902454]
Preprint/Report
Domcke, V. ; Rodrigues Sandner, S. M.
The Different Regimes of Axion Gauge Field Inflation
[arXiv:1905.11372; DESY19089]
In axion gauge field inflation an axionlike particle driving cosmic inflation is coupled to the ChernSimons density of an Abelian or nonAbelian gauge group. In the case of a nonAbelian gauge group, this can lead to the formation of a stable, homogeneous and isotropic gauge field background. [...]
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20190611 10:48 
[PUBDB201902452]
Preprint/Report
Jinno, R. ; Konstandin, T. ; Takimoto, M.
Relativistic bubble collisions  a closer look
[arXiv:1906.02588; DESY19102]
We study scalar bubble collisions in firstorder phase transitions focusing on the relativistic limit. We propose 'trapping equation' which describes the wall behavior after collision, and test it with numerical simulations in several setups. [...]
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20190611 10:44 
[PUBDB201902449]
Preprint/Report
Bermudez Martinez, A. ; Connor, P. ; Dominguez Damiani, D. ; et al
Production of Zbosons in the parton branching method
[arXiv:1906.00919; DESY19087]
Transverse Momentum Dependent (TMD) parton distributions obtained from the Parton Branching (PB) method are combined with nexttoleadingorder (NLO) calculations of DrellYan (DY) production. We apply the MCatNLO method for the hard process calculation and matching with the PB TMDs. [...]
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20190611 10:42 
[PUBDB201902448]
Preprint/Report
Ferreira, P. M. ; Mühlleitner, M. ; Santos, R. ; et al
Vacuum Instabilities in the N2HDM
[arXiv:1905.10234; DESY19085; KATP072019]
The Higgs sector of the NexttoMinimal TwoHiggsDoublet Model (N2HDM) is obtained from the TwoHiggsDoublet Model (2HDM) containing two complex Higgs doublets, by adding a real singlet field. In this paper, we analyse the vacuum structure of the N2HDM with respect to the possibility of vacuum instabilities. [...]
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20190611 09:59 
[PUBDB201902447]
Preprint/Report
Domcke, V. ; von Harling, B. ; Morgante, E. ; et al
Baryogenesis from axion inflation
[arXiv:1905.13318; DESY19084]
The coupling of an axionlike particle driving inflation to the Standard Model particle content through a ChernSimons term generically sources a dual production of massless helical gauge fields and chiral fermions. We demonstrate that the interplay of these two components results in a highly predictive baryogenesis model, which requires no further ingredients beyond the Standard Model. [...]
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20190611 09:57 
[PUBDB201902446]
Preprint/Report
Konstandin, T. ; Porto, R. A. ; Rubira, H.
The Effective Field Theory of Large Scale Structure at Three Loops
[arXiv:1906.00997; DESY19094]
We study the power spectrum of dark matter density fluctuations in the framework of the Effective Field Theory of Large Scale Structures (EFTofLSS) up to three loop orders. In principle, several counterterms may be needed to handle the shortdistance sensitivity in perturbation theory. [...]
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