CERN Accelerating science

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2020-04-02
05:08
Probes of Gravitational Waves with Atom Interferometers / Ellis, John ; Vaskonen, Ville
Atom interferometers (AIs) on earth and in space offer good capabilities for measuring gravitational waves (GWs) in the mid-frequency deciHz band, complementing the sensitivities of the LIGO/Virgo and LISA experiments and enabling probes of possible modifications of the general relativity predictions for GW propagation. [...]
arXiv:2003.13480 ; KCL-PH-TH/2020-15 ; CERN-TH-2020-048.
- 8 p.
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2020-03-31
16:55
Charm Physics Confronts High-$p_T$ Lepton Tails / Fuentes-Martin, Javier ; Greljo, Admir ; Martin Camalich, Jorge ; Ruiz-Alvarez, Jose David
We present a systematic survey of possible short-distance new-physics effects in (semi)leptonic charged- and neutral-current charmed meson decays. [...]
arXiv:2003.12421 ; CERN-TH-2020-047.
- 34 p.
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2020-03-28
21:20
Constraints on Standard Model Constructions in F-theory / Cvetic, Mirjam (University of Pennsylvania) ; Halverson, James (Northeastern University) ; Lin, Ling (CERN) ; Long, Cody (Northeastern, Cornell)
We argue that the following three statements cannot all be true: (i) our vacuum is a type IIB / F-theory vacuum at moderate-to-large $h^{1,1}$, (ii) the $\alpha'$-expansion is controlled via the supergravity approximation, à la the KKLT and LVS scenarios, and (iii) there are no additional gauged sectors from seven-branes. [...]
CERN-TH-2020-049 ; UPR-1304-T.
- 2020. - 10.

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2020-03-26
04:20
Generalizing the relativistic quantization condition to include all three-pion isospin channels / Hansen, Maxwell T. ; Romero-López, Fernando ; Sharpe, Stephen R.
We present a generalization of the relativistic, finite-volume, three-particle quantization condition for non-identical pions in isosymmetric QCD. [...]
arXiv:2003.10974 ; CERN-TH-2020-045.
- 46 p.
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2020-03-25
04:07
Perturbative description of bias tracers using consistency relations of LSS / Fujita, Tomohiro ; Vlah, Zvonimir
We develop a simple formalism of biased tracers that we dub $\mathit{Monkey\ bias}$. [...]
arXiv:2003.10114 ; CERN-TH-2020-037.
- 24 p.
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2020-03-20
04:36
Blinded challenge for precision cosmology with large-scale structure: results from effective field theory for the redshift-space galaxy power spectrum / Nishimichi, Takahiro ; D'Amico, Guido ; Ivanov, Mikhail M. ; Senatore, Leonardo ; Simonović, Marko ; Takada, Masahiro ; Zaldarriaga, Matias ; Zhang, Pierre
An accurate theoretical template for the galaxy power spectrum is a key for the success of ongoing and future spectroscopic surveys. [...]
arXiv:2003.08277 ; YITP-20-25 ; INR-TH-2020-009 ; CERN-TH-2020-040 ; IPMU20-0025.
- 23 p.
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2020-03-20
04:36
Bottom quark mass effects in associated $WH$ production with $H \to b\bar{b}$ decay through NNLO QCD / Behring, Arnd (Karlsruhe U., ITP) ; Bizon, Wojciech (Karlsruhe U., ITP ; KIT, Karlsruhe) ; Caola, Fabrizio (Oxford U., Theor. Phys.) ; Melnikov, Kirill (Karlsruhe U., ITP) ; Röntsch, Raoul (CERN)
We present a computation of NNLO QCD corrections to the production of a Higgs boson in association with a $W$ boson at the LHC followed by the decay of the Higgs boson to a $b\bar{b}$ pair. [...]
arXiv:2003.08321 ; TTP20-011 ; P3H-20-009 ; CERN-TH-2020-043.
- 30 p.
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2020-03-19
04:10
Gravitational waves from first-order cosmological phase transitions: lifetime of the sound wave source / Ellis, John (King's Coll. London ; CERN ; NICPB, Tallinn) ; Lewicki, Marek (King's Coll. London ; Warsaw U. (main)) ; No, José Miguel (U. Autonoma, Madrid (main) ; Madrid, IFT)
We study particle-physics models for a first-order phase transition in the early universe, including models with polynomial potentials both with and without barriers at zero temperature, and Coleman-Weinberg-like models with potentials that are classically scale-invariant. [...]
arXiv:2003.07360 ; KCL-PH-TH/2020-04 ; CERN-TH-2020-016 ; IFT-UAM/CSIC-20-35.
- 33 p.
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2020-03-17
04:39
Singlet night in Feynman-ville: one-loop matching of a real scalar / Haisch, Ulrich (Munich, Max Planck Inst.) ; Ruhdorfer, Maximilian (Munich, Tech. U.) ; Salvioni, Ennio (CERN) ; Venturini, Elena (Munich, Tech. U.) ; Weiler, Andreas (Munich, Tech. U.)
A complete one-loop matching calculation for real singlet scalar extensions of the Standard Model to the Standard Model effective field theory (SMEFT) of dimension-six operators is presented. [...]
arXiv:2003.05936 ; CERN-TH-2020-038 ; TUM-HEP-1254-20.
- 20 p.
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2020-03-17
04:39
Geometric secret sharing in a model of Hawking radiation / Balasubramanian, Vijay (Pennsylvania U. ; Vrije U., Brussels) ; Kar, Arjun (Pennsylvania U.) ; Parrikar, Onkar (Stanford U., ITP) ; Sárosi, Gábor (CERN) ; Ugajin, Tomonori (Pennsylvania U.)
We consider a black hole in three dimensional AdS space entangled with an auxiliary radiation system. [...]
arXiv:2003.05448 ; CERN-TH-2020-039.
- 50 p.
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