CERN Accelerating science

Preprints

Senast inlagda poster:
2019-10-18
18:01
Search for new resonances in mass distributions of jet pairs using 139 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for new resonances decaying into a pair of jets is reported using the dataset of proton-proton collisions recorded at $\sqrt{s}=13$ TeV with the ATLAS detector at the Large Hadron Collider between 2015 and 2018, corresponding to an integrated luminosity of 139 fb$^{-1}$. [...]
CERN-EP-2019-162.
- 2019.
Fulltext - Previous draft version

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2019-10-18
15:31
Performance of the BRIL luminometers at CMS in Run 2 / Karacheban, Olena (CERN) /CMS Collaboration
CMS features three luminosity subdetectors capable of providing real-time (?online?) luminosity on a bunch-by-bunch level independently of the main CMS data acquisition system: the Fast Beam Conditions Monitor (BCM1F), the Hadron Forward (HF) calorimeter, and the Pixel Luminosity Telescope (PLT). These luminometers have operated since the beginning of Run 2 (2015-2018) at the LHC. [...]
CMS-CR-2019-140.- Geneva : CERN, 2019 - 6 p. Fulltext: PDF;
In : European Physical Society Conference on High Energy Physics (EPS-HEP) 2019, Ghent, Belgium, 10 - 17 Jul 2019

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2019-10-18
15:31
Optimizing the performance of the CMS ECAL trigger for Runs 2 and 3 of the CERN LHC / Tishelman Charny, Abraham (Northeastern U.) /CMS Collaboration
The CMS Electromagnetic Calorimeter (ECAL) is a high resolution crystal calorimeter operating at the CERN LHC. It is responsible for the identification and precise reconstruction of electrons and photons in CMS, which were crucial in the discovery and subsequent characterization of the Higgs boson. [...]
CMS-CR-2019-155.- Geneva : CERN, 2019 - 12 p. Fulltext: PDF;
In : 2019 Meeting of the Division of Particles & Fields of the American Physical Society, Boston, United States Of America, 29 Jul - 2 Aug 2019

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2019-10-18
06:27
Development of copper electroformed vacuum chambers with integrated non-evaporable getter thin film coatings / Amadora, Lucia Lain (CERN ; UTINAM, Besancon) ; Chiggiato, Paolo (CERN) ; Ferreira, Leonel M A (CERN) ; Nistor, Valentin (CERN) ; Fontenla, Ana T Perez (CERN) ; Taborelli, Mauro (CERN) ; Vollenberg, Wilhelmus (CERN) ; Doche, Marie-Laure (UTINAM, Besancon) ; Hihn, Jean-Yves (UTINAM, Besancon)
First results concerning a new approach of TiZrV non-evaporable getter (NEG) thin films coating on very small diameter vacuum chambers are presented. [...]
2017.

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2019-10-18
04:55
Searching for supersymmetry and its avatars / Ellis, John
{\it Why continue looking for supersymmetry?} Over and above the aesthetic and theoretical motivations from string theory, there are several longstanding phenomenological motivations for TeV-scale supersymmetry such as the electroweak scale, and the lightest supersymmetric particle (LSP) as cold dark matter. [...]
arXiv:1910.07489 ; KCL-PH-TH/2019-78 ; CERN-TH-2019-169.
- 9 p.
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2019-10-18
04:55
Progress Towards Ramsey Hyperfine Spectroscopy in ASACUSA / Nanda, A.
This proceedings contribution reports on progress on the design of a Ramsey-type spectrometer that will be used for the spectroscopy of the ground-state hyperfine structure of both hydrogen and deuterium..
arXiv:1910.06609.
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2019-10-18
04:55
Recent Results and Future Plans of the MoEDAL Experiment / Staelens, Michael
The Monopole and Exotics Detector at the LHC (MoEDAL) is a pioneering LHC experiment designed to search for anomalously ionizing messengers of new physics such as magnetic monopoles or massive (pseudo-)stable charged particles. [...]
arXiv:1910.05772.
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2019-10-18
04:55
Rabi Experiments on the $\sigma$ and $\pi$ Hyperfine Transitions in Hydrogen and Status of ASACUSA's Antihydrogen Program / Simon, M.C.
We report on the status of the in-beam hyperfine-structure measurements on ground-state antihydrogen by ASACUSA and on recent results obtained in supporting measurements from hydrogen. [...]
arXiv:1910.03959.
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2019-10-18
04:55
Probing Bosonic Stars with Atomic Clocks / Kouvaris, Chris (Southern Denmark U., CP3-Origins ; CERN) ; Papantonopoulos, Eleftherios (Natl. Tech. U., Athens) ; Street, Lauren ; Wijewardhana, L.C.R. (Cincinnati U.)
Dark Matter could potentially manifest itself in the form of asymmetric dark stars. [...]
arXiv:1910.00567.
- 16 p.
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2019-10-18
04:55
Determination of the electromechanical limits of high-performance Nb$_3$Sn Rutherford cables under transverse stress from a single-wire experiment / Gamperle, Luc (Geneva U.) ; Ferradas, Jose (Geneva U. ; CERN) ; Barth, Christian (Geneva U.) ; Bordini, Bernardo (CERN) ; Tommasini, Davide (CERN) ; Senatore, Carmine (Geneva U.)
The development of high-field accelerator magnets capable of providing 16 T dipolar fields is an indispensable technological breakthrough needed for the 100 TeV energy-frontier targeted by the Future Circular Collider (FCC). [...]
arXiv:1909.13543.
- 10 p.
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