CERN Accelerating science

CERN Preprints

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2019-04-20
04:39
Distinguishing Elliptic Fibrations with AI / He, Yang-Hui ; Lee, Seung-Joo
We use the latest techniques in machine-learning to study whether from the landscape of Calabi-Yau manifolds one can distinguish elliptically fibred ones. [...]
arXiv:1904.08530 ; CERN-TH-2019-046.
- 6 p.
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2019-04-20
04:39
Discovering True Muonium at LHCb / Cid Vidal, Xabier ; Ilten, Philip ; Plews, Jonathan ; Shuve, Brian ; Soreq, Yotam
We study the potential of the LHCb experiment to discover, for the first time, the $\mu^+\mu^-$ true muonium bound state. [...]
arXiv:1904.08458 ; CERN-TH-2019-049.
- 12 p.
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2019-04-19
04:55
Update on the b->s anomalies / Arbey, A. ; Hurth, T. ; Mahmoudi, F. ; Martinez Santos, D. ; Neshatpour, S.
We present a brief update of our model-independent analyses of the b->s data presented in the articles published in Phys. [...]
arXiv:1904.08399 ; CERN-TH-2019-048 ; IPM/P.A-544 ; MITP/19-026.
- 6 p.
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2019-04-19
04:55
NA61/SHINE results on Bose-Einstein correlations / Porfy, Barnabas
One of the main goals of NA61/SHINE is the investigation of the phase diagram of strongly interacting matter. [...]
arXiv:1904.08169.
- 7 p.
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2019-04-19
04:55
The Tracking Machine Learning challenge : Accuracy phase / Amrouche, Sabrina (Geneva U.) ; Basara, Laurent (IRFU, Saclay) ; Calafiura, Paolo (LBL, Berkeley) ; Estrade, Victor (IRFU, Saclay) ; Farrell, Steven (LBL, Berkeley) ; Ferreira, Diogo R. (Lisbon, IST) ; Finnie, Liam (IBM, Boblingen) ; Finnie, Nicole (CFEL, Hamburg) ; Germain, Cécile (IRFU, Saclay) ; Gligorov, Vladimir Vava (Paris U., VI-VII) et al.
This paper reports the results of an experiment in high energy physics: using the power of the crowd to solve difficult experimental problems linked to tracking accurately the trajectory of particles in the Large Hadron Collider (LHC). [...]
arXiv:1904.06778.
- 36 p.
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2019-04-19
04:55
Final results on neutrino oscillation parameters from the OPERA experiment in the CNGS beam / OPERA Collaboration
The OPERA experiment has conclusively observed the appearance of tau neutrinos in the muon neutrino CNGS beam. [...]
arXiv:1904.05686.
- 7 p.
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2019-04-17
04:08
First observation of the radiative decay $\Lambda_{b}^{0} \to \Lambda \gamma$ / LHCb Collaboration
The radiative decay $\Lambda_{b}^{0} \to \Lambda \gamma$ is observed for the first time using a data sample of proton-proton collisions corresponding to an integrated luminosity of $1.7\,fb^{-1}$ collected by the LHCb experiment at a center-of-mass energy of $13\,TeV$. [...]
arXiv:1904.06697 ; CERN-EP-2019-060 ; LHCb-PAPER-2019-010.
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2019-04-16
09:15
A Survey on Analog-to-Digital Converter Performance with Respect to Ionizing Radiation / Mueller, Steffen (U. Erlangen-Nuremberg (main)) ; Weigel, Robert (U. Erlangen-Nuremberg (main)) ; Koelpin, Alexander (Brandenburg Tech. U.)
This paper discusses radiation performance evolution of analog-to-digital converters, based on a comprehensive empirical analysis of both, experimental reports and datasheet specifications including commercial devices, radiation hardened parts, and scientific converters..
4 p.
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2019-04-16
09:15
Advanced In-Situ Instrumentation of RF Circuits for Mixed-Field Irradiation Testing Purpose / Mueller, Steffen (U. Erlangen-Nuremberg (main)) ; Danzeca, Salvatore (CERN) ; García Alía, Rubén (CERN) ; Brugger, Markus (CERN) ; Weigel, Robert (U. Erlangen-Nuremberg (main)) ; Koelpin, Alexander (Brandenburg Tech. U.)
This paper presents a method that applies multiplexing and in-fixture calibration technique to qualify for efficient instrumentation of multiple RF circuits up to 6 GHz during mixed-field irradiation..
5 p.
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2019-04-16
04:50
Shocks, Superconvergence, and a Stringy Equivalence Principle / Kologlu, Murat ; Kravchuk, Petr ; Simmons-Duffin, David ; Zhiboedov, Alexander
We study propagation of a probe particle through a series of closely situated gravitational shocks. [...]
arXiv:1904.05905 ; CALT-TH 2019-012 ; CERN-TH-2019-040.
- 93 p.
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