CERN Accelerating science

CERN Preprints

Letzte Einträge:
2020-10-23
04:38
Charge collection properties of prototype sensors for the LHCb VELO upgrade / Geertsema, R. (NIKHEF, Amsterdam) ; Akiba, K. (NIKHEF, Amsterdam) ; van Beuzekom, M. (NIKHEF, Amsterdam) ; Buchanan, E. (Bristol U.) ; Burr, C. (CERN) ; Byczynski, W. (CERN ; Cracow Tech. U.) ; Collins, P. (CERN) ; Dall'Occo, E. (NIKHEF, Amsterdam ; Dortmund U.) ; Evans, T. (CERN ; Oxford U.) ; Franco Lima, V. (Liverpool U.) et al.
An extensive sensor testing campaign is presented, dedicated to measuring the charge collection properties of prototype candidates for the Vertex Locator (VELO) detector for the upgraded LHCb experiment. [...]
arXiv:2010.10147.
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2020-10-23
04:38
Observing primordial magnetic fields through Dark Matter / Ramazanov, Sabir (Prague, Inst. Phys.) ; Urban, Federico R. (Prague, Inst. Phys.) ; Vikman, Alexander (alexander.vikman@cern.ch ; Prague, Inst. Phys.)
Primordial magnetic fields are often thought to be the early Universe seeds that have bloomed into what we observe today as galactic and extra-galactic magnetic fields. [...]
arXiv:2010.03383.
- 30 p.
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2020-10-22
04:02
Model-independent energy budget for LISA / Giese, Felix ; Konstandin, Thomas ; Schmitz, Kai ; van de Vis, Jorinde
We provide an easy method to obtain the kinetic energy fraction in gravitational waves, generated during a cosmological first-order phase transition, as a function of only the wall velocity and quantities that can be determined from the particle physics model at the nucleation temperature. [...]
arXiv:2010.09744 ; DESY 20-173\\ CERN-TH-2020-170 DESY 20-173\\ CERN-TH-2020-170 DESY 20-173 ; CERN-TH-2020-170.
- 31 p.
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2020-10-22
04:02
Estimating chromatic properties of electron beams from frequency analysis of turn-by-turn beam position data / Zisopoulos, Panagiotis (CERN) ; Papaphilippou, Yannis (CERN)
A method to estimate linear chromaticity, RMS energy spread, and chromatic beta-beating, directly from turn-by-turn beam position data in a circular electron accelerator, is presented. [...]
arXiv:2009.08517.
- 31 p.
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2020-10-22
04:02
A Model for Simulating Stray Magnetic Fields in Linear Colliders / Gohil, C. (JAI, UK ; CERN) ; Burrows, P.N. (JAI, UK) ; Blaskovic Kraljevic, N. (CERN) ; Schulte, D. (CERN) ; Heilig, B. (Unlisted, HU)
Future linear colliders target nanometre beam sizes at the collision point. [...]
arXiv:2009.01524.
- 16 p.
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2020-10-21
10:46
Measurement of differential $b\bar{b}$- and $c\bar{c}$-dijet cross-sections in the forward region of $pp$ collisions at $\sqrt{s}=13 ~ \mathrm{TeV}$ / LHCb Collaboration
The inclusive $b \bar{b}$- and $c \bar{c}$-dijet production cross-sections in the forward region of $pp$ collisions are measured using a data sample collected with the LHCb detector at a centre-of-mass energy of 13 TeV in 2016. [...]
arXiv:2010.09437 ; LHCb-PAPER-2020-018 ; CERN-EP-2020-174 ; LHCB-PAPER-2020-018.
- 2020. - 36 p, 36 p.
Fulltext - Related data file(s)

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2020-10-21
04:31
The Schwarzschild-Tangherlini metric from scattering amplitudes in various dimensions / Mougiakakos, Stavros ; Vanhove, Pierre
We derive the static Schwarzschild-Tangherlini metric by extracting the classical contributions from the multi-loop vertex functions of a graviton emitted from a massive scalar field. [...]
arXiv:2010.08882 ; IPhT-t20/053 ; CERN-TH-2020-168.
- 44 p.
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2020-10-21
04:31
Pole skipping away from maximal chaos / Choi, Changha ; Mezei, Márk ; Sárosi, Gábor
Pole skipping is a recently discovered subtle effect in the thermal energy density retarded two point function at a special point in the complex $(\omega,p)$ planes. [...]
arXiv:2010.08558 ; CERN-TH-2020-171.
- 39 p.
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2020-10-21
04:30
Off-shell effects in $t\bar{t}+\gamma/Z$ production at the LHC / Bevilacqua, Giuseppe (MTA-DE, Debrecen)
We present state-of-the-art predictions for $t\bar{t}\gamma$ and $t\bar{t}Z(Z \to \nu_\ell\bar{\nu}_\ell)$ production in the fully leptonic channel at the LHC. [...]
arXiv:2009.13213.
- 6 p.
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2020-10-20
10:47
Silicon vertex and tracking detector R&D for CLIC / Dort, Katharina (Justus-Liebig-Universitaet Giessen (DE))
The physics aims at the proposed future high-energy linear e+e- collider CLIC pose challenging demands on the performance of the detector system. In particular, the vertex and tracking detectors have to combine a spatial resolution of a few micrometres and a low material budget with a time-stamping accuracy of a few nanoseconds. [...]
CLICdp-Conf-2020-006.- Geneva : CERN, 2020 - 7. Fulltext: PDF;
In : 40th International Conference on High Energy Physics, Prague, Czech Republic, 28 Jul - 6 Aug 2020

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