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CERN Accelerating science

CERN Preprints

Últimas adquisiciones:
2022-05-16
15:35
Standard model highlights at CMS / Gilbert, Andrew James (Northwestern U.) /CMS Collaboration
An overview of recent vector boson and top physics measurements is presented. These results use a $\sqrt{s}=13\,\mathrm{TeV}$ proton-proton collision data set recorded in 2016--2018 with integrated luminosities of up to $138\,\mathrm{fb}^{-1}$..
CMS-CR-2022-057.- Geneva : CERN, 2022 - 5 p. Fulltext: PDF;
In : 56th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, It, 19 - 26 Mar 2022

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2022-05-16
15:34
Inclusive and differential top quark pair cross-section measurements at CMS / Fernandez Menendez, Javier (Oviedo U.) /CMS Collaboration
Recent results and state-of-the-art on top-quark pair production cross sections in both inclusive and differential measurements are presented, obtained using data collected with the CMS experiment during the LHC Run2 period at centre-of-mass energies ranging of 5.02 and 13TeV. Results are confronted against SM NLO and NNLO order predictions, several MC generators and tunes, and parton density function variations, with a special focus on the latest Run2 results [...]
CMS-CR-2021-136.- Geneva : CERN, 2021 - 7 p. Fulltext: PDF;
In : European Physics Society conference on High Energy Physics 2021, Online, Online, 26 - 30 Jul 2021

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2022-05-16
13:49
Search for CP violating top quark couplings in pp collisions at $\sqrt{s} = $ 13 TeV
Results are presented from a search for CP violation in top quark pair production, using proton-proton collisions at a center-of-mass energy of 13 TeV. [...]
CERN-EP-2021-143 ; CMS-TOP-18-007-003.
- 2022.
Additional information for the analysis - CMS AuthorList - Fulltext

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2022-05-14
11:28
Simulation study of betatron radiation in AWAKE Run 2 experiment / Liang, Linbo (Manchester U.) ; Xia, Guoxing (Manchester U.) ; Saberi, Hossein (Manchester U.) ; Farmer, John Patrick (CERN) ; Pukhov, Alexander (Heinrich Heine U., Dusseldorf)
The spectroscopy of betatron radiation from the focusing plasma column can work as a powerful non-invasive beam diagnostic method for plasma wakefield acceleration experiments such as the AWAKE. [...]
arXiv:2204.13199.
- 10 p.
Fulltext

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2022-05-14
11:26
Upgrade of ASACUSA's Antihydrogen Detector / Kraxberger, V. (Stefan Meyer Inst. Subatomare Phys.) ; Amsler, C. (Stefan Meyer Inst. Subatomare Phys.) ; Breuker, H. (Wako, RIKEN) ; Chesnevskaya, S. (Stefan Meyer Inst. Subatomare Phys.) ; Costantini, G. (Brescia U. ; INFN, Pavia) ; Ferragut, R. (Milan, Polytech. ; INFN, Milan ; Milan U.) ; Giammarchi, M. (INFN, Milan ; Milan U.) ; Gligorova, A. (Stefan Meyer Inst. Subatomare Phys.) ; Gosta, G. (Brescia U. ; INFN, Pavia) ; Higaki, H. (Hiroshima U.) et al.
The goal of the ASACUSA (Atomic Spectroscopy And Collisions Using Slow Antiprotons) CUSP experiment at CERN's Antiproton Decelerator is to measure the ground state hyperfine splitting of antihydrogen in order to test whether CPT invariance is broken. [...]
arXiv:2204.11572.
- 3 p.
Fulltext

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2022-05-14
11:26
Searches for new physics with high-intensity kaon beams
The availability of high-intensity kaon beams at the J-PARC Hadron Experimental Facility and the CERN SPS North Area, together with the abundant forward production of kaons at the LHC, gives rise to unique possibilities for sensitive tests of the Standard Model in the quark flavor sector. [...]
arXiv:2204.13394.
- 100 p.
Fulltext

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2022-05-13
23:13
Search for heavy resonances and quantum black holes in e$\mu$, e$\tau$, and $\mu\tau$ final states in proton-proton collisions at $\sqrt{s} = $ 13 TeV
A search is reported for heavy resonances and quantum black holes decaying into e$\mu$, e$\tau$, and $\mu\tau$ final states in proton-proton collision data recorded by the CMS experiment at the CERN LHC during 2016-2018 at $\sqrt{s} = $ 13 TeV, corresponding to an integrated luminosity of 138 fb$^{-1}$. [...]
CERN-EP-2022-033 ; CMS-EXO-19-014-003.
- 2022.
Additional information for the analysis - CMS AuthorList - Fulltext

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2022-05-13
11:53
Observation of $\tau$ lepton pair production in ultraperipheral nucleus-nucleus collisions with the CMS experiment and the first limits on $(g-2)_\tau$ at the LHC / Jofrehei, Arash
The first observation of $\tau$ lepton pair production in ultraperipheral nucleus-nucleus collisions, a pure quantum electrodynamics (QED) process, is presented. [...]
arXiv:2205.05312.
-
Fulltext

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2022-05-13
11:52
Searching for anomalous top quark interactions with proton tagging and timing detectors at the LHC / Baldenegro, Cristian (Ecole Polytechnique) ; Bellora, Andrea (INFN, Turin ; Turin U.) ; Fichet, Sylvain (ICTP-SAIFR, Sao Paulo ; ABC Federal U.) ; von Gersdorff, Gero (Rio de Janeiro, Pont. U. Catol.) ; Pitt, Michael (CERN) ; Royon, Christophe (Kansas U.)
We study the LHC sensitivity to new broad neutral resonances produced in two-photon fusion and decaying to a top quark pair, $\gamma\gamma \to t\bar{t}$. [...]
arXiv:2205.01173.
- 23 p.
Fulltext

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2022-05-12
16:38
Measurement of the prompt $D^0$ nuclear modification factor in $p$Pb at $\sqrt{s_{NN}}$ = 8.16 TeV
The production of prompt $D^0$ mesons in proton-lead collisions in the forward and backward configurations at a center-of-mass energy per nucleon pair of $\sqrt{s_\mathrm{NN}} = 8.16~\mathrm{TeV}$ is measured by the LHCb experiment. [...]
arXiv:2205.03936 ; LHCb-PAPER-2022-007 ; CERN-EP-2022-082.
- 2022.
Fulltext - Related data file(s) - Supplementary information

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