CERN Accelerating science

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2023-01-24
13:23
Search for exclusive Higgs and $Z$ boson decays to $\omega\gamma$ and Higgs boson decays to $K^{*}\gamma$ with the ATLAS detector
Searches for the exclusive decays of the Higgs boson to an $\omega$ meson and a photon or a $K^{*}$ meson and a photon can probe flavour-conserving and flavour-violating Higgs boson couplings to light quarks, respectively. [...]
CERN-EP-2022-288.
- 2023.
Fulltext - Previous draft version

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2023-01-24
11:43
Model-independent search for the presence of new physics in events including $H\rightarrow\gamma\gamma$ with $\sqrt{s}$ = 13 TeV pp data recorded by the ATLAS detector at the LHC
A model-independent search for new physics leading to final states containing $H\rightarrow\gamma\gamma$ decays is performed with 139 fb$^{-1}$ of $\sqrt{s}$ = 13 TeV pp collision data recorded by the ATLAS detector at the Large Hadron Collider at CERN. [...]
CERN-EP-2022-232.
- 2023.
Fulltext - Previous draft version

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2023-01-24
04:56
First measurement of the top quark pair production cross section at $\sqrt{s} = 13.6 \, \mathrm{TeV}$ at the CMS experiment / Jeppe, Laurids
We present the first measurement of the top quark pair production cross section at the new LHC center-of-mass energy of $\sqrt{s} = 13.6 \, \mathrm{TeV}$, using $1.20 \, \mathrm{fb}^{-1}$ of data recorded at the CMS detector. [...]
arXiv:2301.09414.
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2023-01-24
04:56
Holography and Localization of Information in Quantum Gravity / Bahiru, Eyoab (SISSA, Trieste ; INFN, Trieste ; ICTP, Trieste) ; Belin, Alexandre (Milan Bicocca U. ; Ecole Polytechnique, Lausanne) ; Papadodimas, Kyriakos (King's Coll. London ; CERN) ; Sarosi, Gabor (King's Coll. London ; CERN) ; Vardian, Niloofar (SISSA, Trieste ; INFN, Trieste)
Within the AdS/CFT correspondence, we identify a class of CFT operators which represent diff-invariant and approximately local observables in the gravitational dual. [...]
CERN-TH-2023-003 ; arXiv:2301.08753.
- 67 p.
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2023-01-24
04:56
ICARUS at the Fermilab Short-Baseline Neutrino Program -- Initial Operation / ICARUS Collaboration
The ICARUS collaboration employed the 760-ton T600 detector in a successful three-year physics run at the underground LNGS laboratory studying neutrino oscillations with the CERN Neutrino to Gran Sasso beam (CNGS) and searching for atmospheric neutrino interactions. [...]
FERMILAB-PUB-23-010-ND ; arXiv:2301.08634.
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2023-01-24
04:55
Wakefield damping in a distributed coupling LINAC / Ericson, Evan (CERN ; Saskatchewan U.) ; Grudiev, Alexej (CERN) ; Bertwistle, Drew (Saskatchewan U. ; Saskatchewan U., CLS) ; Boland, Mark (Saskatchewan U. ; Saskatchewan U., CLS)
The number of cells in a $\pi$-mode standing wave (SW) accelerating structure for the Compact linear Collider (CLIC) project is limited by mode overlap with nearby modes. [...]
arXiv:2301.02340.
- 6 p.
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2023-01-23
15:57
Top physics results from CMS / Kumar, Mintu (TIFR, Mumbai, DHEP) /CMS Collaboration
Recent results on the top quark physics related to the test of various discrete symmetries of the standard model have been presented. These include the search for charge asymmetries and violation of charged lepton flavor and charge-parity symmetries, conducted using proton-proton collision data collected by the CMS experiment during 2015-2018. [...]
CMS-CR-2022-281.- Geneva : CERN, 2022 - 11 p. Fulltext: PDF;
In : 8th Symposium on Prospects in the Physics of Discrete Symmetries, Baden-baden, Germany, 7 - 11 Nov 2022

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2023-01-23
15:27
CMS Inner Tracker Status and Performance / Negro, Giulia (Purdue U.) /CMS Collaboration
The CMS pixel tracker provided high-quality physics data during the LHC Run 2, finishing with a detector live fraction of 95\% and a hit efficiency of \textgreater 99\% in all but the innermost layer. However, issues encountered during Run 2 - in particular DCDC converter failures during power cycles, which were needed to reset stuck token bit managers (TBMs) - necessitated a thorough refurbishment of the detector during LS2. [...]
CMS-CR-2022-279.- Geneva : CERN, 2022 - 11 p. Fulltext: PDF;
In : The International Workshop on Vertex Detectors (VERTEX 2022), Tateyama, Japan, 24 - 28 Oct 2022

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2023-01-23
15:27
The CMS Pixel Detector for the High Luminosity LHC / Sguazzoni, Giacomo (INFN, Florence)
The High Luminosity Large Hadron Collider (HL-LHC) at CERN is expected to collide protons at a centre-of-mass energy of 14 TeV and to reach the unprecedented peak instantaneous luminosity of $5-7.5\times10^{34}\;{\mathrm{cm}}^{-2}{\mathrm{s}}^{-1}$ with an average number of pileup events of $140-200$. This will allow the ATLAS and CMS experiments to collect integrated luminosities up to $3000-4000\;{\mathrm{fb}}^{-1}$ during the project lifetime. [...]
CMS-CR-2022-276.- Geneva : CERN, 2022 - 11 p. Fulltext: PDF;
In : The International Workshop on Vertex Detectors (VERTEX 2022), Tateyama, Japan, 24 - 28 Oct 2022

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2023-01-23
15:25
RPC Phase-2 Link System Remote Programming for the CMS HL-LHC Upgrade / Boghrati, Behzad (IPM, Tehran)
The high luminosity LHC upgrade of the CMS RPC electronics system for the low-eta region includes the RPC link system upgrade and back-end electronics. The link system, as an off-detector electronics, comprises control boards and link boards. [...]
CMS-CR-2022-273.- Geneva : CERN, 2022 - 6 p. Fulltext: PDF;
In : 16th Workshop on Resistive Plate Chambers and Related Detectors (RPC 2022), CERN, Geneva, Switzerland, 26-30 Sep 2022

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