Preprints

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2020-04-06
16:54
arXiv [PUBDB-2020-01391] Preprint/Report
et al
First search for the $\eta_{c2}(1D)$ in $B$ decays at Belle
[Belle Preprint 2020-02; KEK Preprint 2019-58]
The first dedicated search for the $\eta_{c2}(1D)$ is carried out using the decays $B^+ \rightarrow \eta_{c2}(1D) K^+$, $B^0 \rightarrow \eta_{c2}(1D) K^0_S$, $B^0 \rightarrow \eta_{c2}(1D) \pi^- K^+$, and $B^+ \rightarrow \eta_{c2}(1D) \pi^+ K^0_S$ with $\eta_{c2}(1D) \to h_c \gamma$. No significant signal is found. [...]
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2020-03-17
13:42
OpenAccess [PUBDB-2020-01085] Preprint/Report

A landscape of orientifold vacua
[arXiv:2003.04902; DESY-20-046]
 GO
We present a vast landscape of O3/O7 orientifolds that descends from the famous set of complete intersection Calabi-Yau threefolds (CICY). We give distributions of topological data relevant for phenomenology such as the orientifold-odd Hodge numbers, the D3-tadpole, and multiplicities of O3 and O7-planes [...]
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2020-03-17
13:34
OpenAccess [PUBDB-2020-01084] Preprint/Report
et al
Testing binary dynamics in gravity at the sixth post-Newtonian level
[DESY-20-044; DO--TH 20/02; SAGEX--20--06; arXiv:2003.07145]
 GO
We calculate the motion of binary mass systems in gravity up to the sixth post--Newtonian order to the $G_N^3$ terms ab initio using momentum expansions within an effective field theory approach based on Feynman amplitudes in harmonic coordinates. For these contributions we construct a canonical transformation to isotropic and to EOB coordinates at 5PN and agree with the results in the literature \cite{Bern:2019nnu,Damour:2019lcq}. [...]
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2020-03-17
12:52
OpenAccess [PUBDB-2020-01083] Preprint/Report

$\alpha_{QED, eff}$(s) for precision physics at the FCC-ee/ILC
[DESY-19-074]
 GO
Discovering “Physics behind precision” at future linear or circular colliders (ILC/FCC projects) requires improved SM predictions based on more precise input parameters. I will review the role αQED, eff at future collider energies and report on possible progress based on results from low energy machines..
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2020-03-17
12:05
OpenAccess [PUBDB-2020-01081] Preprint/Report
et al
The landscape of QCD axion models
[arXiv:2003.01100; DESY-20-036]
 GO
We review the landscape of QCD axion models. Theoretical constructions that extend the window for the axion mass and couplings beyond conventional regions are highlighted and classified. [...]
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2020-03-17
11:58
OpenAccess [PUBDB-2020-01080] Preprint/Report
et al
Plasma Lenses: Possible alternative OMD at the ILC
[arXiv:2003.03138; DESY-20-027]
 GO
In the baseline design of the International Linear Collider (ILC) an undulator-based source is foreseen for the positron source in order to match the physics requirements. The recently chosen first energy stage with sqrt(s)=250 GeV requires high luminosity and imposes an effort for all positron source designs at high-energy colliders. [...]
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2020-03-17
09:45
OpenAccess [PUBDB-2020-01076] Preprint/Report

Higgs Inflation as Nonlinear Sigma Model and Scalaron as its $\sigma$-meson
[arXiv:2002.11739; DESY-20-031]
 GO
We point out that a model with scalar fields with a large nonminimal coupling to the Ricci scalar, such as Higgs inflation, can be regarded as a nonlinear sigma model (NLSM). The $\sigma$-meson, which is induced by quantum corrections, is identified as the scalaron in this model. [...]
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2020-03-17
09:31
OpenAccess [PUBDB-2020-01073] Preprint/Report
et al
Higgs Production at NNLL$'$+NNLO using Rapidity Dependent Jet Vetoes
[arXiv:2003.04323; CERN-TH-2020-036; DESY-20-035; TIFR/TH/20-7]
 GO
The rapidity-dependent jet veto observables $\mathcal{T}_{Bj}$ and $\mathcal{T}_{Cj}$ provide a tight jet veto at central rapidity, gradually transitioning to a loose veto at forward rapidities. They divide the phase space into exclusive jet bins in a different way to the traditional jet veto observable $p_{Tj}$, and are advantageous to use under harsh pile-up conditions. [...]
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2020-03-13
14:11
OpenAccess [PUBDB-2020-01037] Preprint/Report
et al
Update of inclusive cross sections of single and pairs of identified light charged hadrons
[arXiv:2001.10194; Belle Preprint 2020-01; KEK Preprint 2019-56]
 GO
We report new measurements of the production cross sections of pairs of charged pions and kaons as a function of their fractional energies using various fractional-energy definitions. Two different fractional-energy definitions were used and compared to the conventional fractional-energy definition reported previously. [...]
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2020-03-13
14:01
OpenAccess [PUBDB-2020-01036] Preprint/Report
et al
Measurement of the charm-mixing parameter $y_{CP}$ in $D^{0}\to K^{0}_{S}\omega$ decays at Belle
[arXiv:1912.10912; Belle Preprint 2019-22; KEK Preprint 2019-52]
 GO
We report the first measurement of the charm-mixing parameter $y_{CP}$ in $D^{0}$ decays to the $CP$-odd final state $K^{0}_{S}\omega$. The study uses the full Belle $e^{+}e^-$ annihilation data sample of $976\rm~ fb^{-1}$ taken at or near the $\Upsilon(4S)$ centre-of-mass energy. [...]
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