CERN Accelerating science

CERN Preprints

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2019-03-26
09:47
Regulated D.C. power supplies
CERN-PS-MM-INT-15.
- 1958. - 8 p.
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2019-03-26
05:03
Search for lepton-universality violation in $B^+\to K^+\ell^+\ell^-$ decays / LHCb Collaboration
A measurement of the ratio of branching fractions of the decays $B^+\to K^+\mu^+\mu^-$ and $B^+\to K^+e^+e^-$ is presented. [...]
arXiv:1903.09252 ; LHCb-PAPER-2019-009 CERN-EP-2019-043.
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2019-03-26
05:02
New Physics in $b \to s \ell^+ \ell^-$ confronts new data on Lepton Universality / Ciuchini, Marco ; Coutinho, António M. ; Fedele, Marco ; Franco, Enrico ; Paul, Ayan ; Silvestrini, Luca ; Valli, Mauro
In light of the very recent updates on the $R_K$ and $R_{K^*}$ measurements from the LHCb and Belle collaborations, we systematically explore here imprints of New Physics in $b \to s \ell^+ \ell^- $ transitions using the language of effective field theories. [...]
arXiv:1903.09632 ; CERN-TH-2019-033 ; DESY 19-043 ; UCI-TR-2019-0.
- 46 p.
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2019-03-26
05:01
Ultra-light dark matter in disk galaxies / Bar, Nitsan (Weizmann Inst.) ; Blum, Kfir (Weizmann Inst. ; CERN) ; Eby, Joshua (Weizmann Inst.) ; Sato, Ryosuke (DESY)
Analytic arguments and numerical simulations show that bosonic ultra-light dark matter (ULDM) would form cored density distributions (`solitons') at the center of galaxies. [...]
arXiv:1903.03402.
- 17 p.
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2019-03-26
05:01
Gluon Radiation from a Classical Point Particle / Kajantie, Keijo (Helsinki U.) ; McLerran, Larry D. (Washington U., Seattle) ; Paatelainen, Risto (Helsinki U. ; CERN)
We consider an initially at rest colored particle which is struck by an ultra-relativistic nucleus. [...]
arXiv:1903.01381.
- 26 p.
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2019-03-25
22:46
Evidence for the production of three massive vector bosons with the ATLAS detector
A search for the production of three massive vector bosons in proton-proton collisions is performed using data at $\sqrt{s} = 13$ TeV recorded with the ATLAS detector at the Large Hadron Collider in the years 2015-2017, corresponding to an integrated luminosity of $79.8$ fb$^{-1}$. [...]
CERN-EP-2019-041.
- 2019.
Fulltext - Previous draft version

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2019-03-25
17:03
Search for a low-mass $\tau^{-}\tau^{+}$ resonance in association with a bottom quark in proton-proton collisions at $\sqrt{s} = $ 13 TeV
A general search is presented for a low-mass $\tau^{-}\tau^{+}$ resonance produced in association with a bottom quark. [...]
CERN-EP-2019-035 ; CMS-HIG-17-014-003.
- 2019.
Additional information for the analysis - CMS AuthorList - Fulltext

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2019-03-25
11:09
ARRAY: An Open Source, Modular and Probe-Card based System with Integrated Switching Matrix for Characterisation of Large Area Silicon Pad Sensors / Pitters, Florian Michael (Austrian Academy of Sciences (AT)) ; Brondolin, Erica (CERN) ; Dannheim, Dominik (CERN) ; Kulis, Szymon (CERN) ; Maier, Andreas Alexander (CERN) ; Quast, Thorben (Rheinisch Westfaelische Tech. Hoch. (DE)) ; Sicking, Eva (CERN)
Silicon pad sensors are proposed as active material in highly granular sampling calorimeters of future collider experiments such as the Compact Linear Collider (CLIC) or the International Linear Collider (ILC). The electromagnetic section of these designs often include O(1000m2) of silicon pad sensors. [...]
CLICdp-Pub-2019-002.- Geneva : CERN, 2019 - 12. Fulltext: PDF;

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2019-03-24
15:16
Measurement of the production cross section for a Higgs boson in association with a vector boson in the $H \rightarrow WW^{\ast} \rightarrow \ell\nu\ell\nu$ channel in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A measurement of the Higgs boson production cross sections via associated $WH$ and $ZH$ production using $H \rightarrow WW^{\ast} \rightarrow \ell\nu\ell\nu$ decays, where $\ell$ stands for either an electron or a muon, is presented. [...]
CERN-EP-2019-038.
- 2019.
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2019-03-24
04:52
Quark-matter cores in neutron stars / Annala, Eemeli ; Gorda, Tyler ; Kurkela, Aleksi ; Nättilä, Joonas ; Vuorinen, Aleksi
We combine results from astrophysical observations and theoretical ab-initio calculations to investigate the presence of quark matter (QM) inside neutron stars (NSs). [...]
arXiv:1903.09121 ; CERN-TH-2019-031 ; HIP-2019-7/TH.
- 11 p.
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