CERN Accelerating science

CERN Preprints

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2017-09-26
11:37
Search for new phenomena in final states with two opposite-charge, same-flavor leptons, jets, and missing transverse momentum in pp collisions at $\sqrt{s} = $ 13 TeV
Search results are presented for physics beyond the standard model in final states with two opposite-charge, same-flavor leptons, jets, and missing transverse momentum. [...]
CERN-EP-2017-170 ; CMS-SUS-16-034-003.
- 2017.
Additional information for the analysis - CMS AuthorList - Fulltext

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2017-09-26
10:06
Latest results on Higgs boson $\to\gamma\gamma$ in the CMS experiment / Bakhshiansohi, Hamed (Louvain U.) /CMS Collaboration
The photonic decay of the Higgs boson is one of the most prominent decay modes for the observation and measurement of the Higgs boson properties, although its branching fraction is as low as 0.002. The CMS collaboration has analyzed 35.9fb$^{-1}$ of proton-proton collision data delivered by the LHC at a center of mass energy of 13~TeV. [...]
CMS-CR-2017-248.- Geneva : CERN, 2017 - 8 p. Fulltext: PDF;
In : International Conference on the Structure and the Interactions of the Photon, including the 22th International Workshop on Photon-Photon Collisions, Geneva, Switzerland, 22 - 26 May 2017

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2017-09-25
21:52
Measurements of the ${\mathrm{p}}{\mathrm{p}}\to \mathrm{Z}\mathrm{Z}$ production cross section and the $\mathrm{Z} \to 4\ell$ branching fraction, and constraints on anomalous triple gauge couplings at $\sqrt{s} = $ 13 TeV
Four-lepton production in proton-proton collisions, ${\mathrm{p}}{\mathrm{p}} \to (\mathrm{Z} / \gamma^*)(\mathrm{Z} /\gamma^*) \to 4\ell$, where $\ell = $ e or $\mu$, is studied at a center-of-mass energy of 13 TeV with the CMS detector at the LHC. [...]
CERN-EP-2017-219 ; CMS-SMP-16-017-003.
- 2017.
Additional information for the analysis - CMS AuthorList - Fulltext

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2017-09-23
08:34
Monodromy inflation at strong coupling: $4\pi$ in the sky / D'Amico, Guido ; Kaloper, Nemanja ; Lawrence, Albion
We present a simple effective field theory formulation of a general family of single field flux monodromy models for which strong coupling effects at large field values can flatten the potential and activate operators with higher powers of derivatives. [...]
BRANDEIS-PREPRINT-BRX-TH-6323 ; CERN-PREPRINT-CERN-TH-2017-181 --CERN-TH-2017-181 ; arXiv:1709.07014 ; CERN-PREPRINT-CERN-TH-2017-181.
- 11 p.
Preprint

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2017-09-23
08:34
Transverse-momentum-dependent Multiplicities of Charged Hadrons in Muon-Deuteron Deep Inelastic Scattering / Aghasyan, M. ; Akhunzyanov, R. ; Alexeev, M.G. ; Alexeev, G.D. ; Amoroso, A. ; Andrieux, V. ; Anfimov, N.V. ; Anosov, V. ; Antoshkin, A. ; Augsten, K. et al.
A semi-inclusive measurement of charged hadron multiplicities in deep inelastic muon scattering off an isoscalar target was performed using data collected by the COMPASS Collaboration at CERN. [...]
CERN-EP-2017-253 ; arXiv:1709.07374.
- 28 p.
Preprint

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2017-09-23
08:33
Search for a scalar partner of the top quark in the jets plus missing transverse momentum final state at $\sqrt{s}$=13 TeV with the ATLAS detector / ATLAS Collaboration
A search for pair production of a scalar partner of the top quark in events with four or more jets plus missing transverse momentum is presented. [...]
CERN-PH-2017-162 ; arXiv:1709.04183.
- 57 p.
Preprint

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2017-09-23
08:33
Isothermal compressibility of hadronic matter formed in relativistic nuclear collisions / Mukherjee, Maitreyee (Bose Inst., Kolkata) ; Basu, Sumit (Wayne State U.) ; Chatterjee, Arghya (Calcutta, VECC) ; Chatterjee, Sandeep (AGH-UST, Cracow) ; Adhya, Souvik Priyam (Calcutta, VECC) ; Thakur, Sanchari (Calcutta, VECC) ; Nayak, Tapan K. (Calcutta, VECC ; CERN)
We present the first estimation of isothermal compressibility (\kT) of matter formed in relativistic nuclear collisions (\sNN=7.7 GeV to 2.76 TeV) using experimental observables. [...]
arXiv:1708.08692.
- 7 p.
Preprint

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2017-09-23
08:33
Gauge leptoquark as the origin of B-physics anomalies / Di Luzio, Luca (Durham U., IPPP ; Durham U.) ; Greljo, Admir (Zurich U. ; Sarajevo U.) ; Nardecchia, Marco (CERN)
The vector leptoquark representation, $U_\mu = (3,1,2/3)$, was recently identified as an exceptional single mediator model to address experimental hints on lepton flavour universality violation in semileptonic $B$-meson decays, both in neutral ($b \to s \mu \mu$) and charged ($b \to c \tau \nu$) current processes. [...]
IPPP-17-66 ; ZU-TH-24-17 ; arXiv:1708.08450.
- 7 p.
Preprint

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2017-09-23
08:33
Planar n-in-n quad module prototypes for the ATLAS ITk upgrade at HL-LHC / Gisen, A. (Dortmund U.) ; Altenheiner, S. (Dortmund U.) ; Burmeister, I. (Dortmund U.) ; Gößling, C. (Dortmund U.) ; Klingenberg, R. (Dortmund U.) ; Kröninger, K. (Dortmund U.) ; Lönker, J. (Dortmund U.) ; Weers, M. (Dortmund U.) ; Wizemann, F. (Dortmund U.)
In order to meet the requirements of the High Luminosity LHC (HL-LHC), it will be necessary to replace the current tracker of the ATLAS experiment. [...]
arXiv:1708.08266.
- 9 p.
Preprint

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2017-09-23
08:33
Single top-quark production via $tW$, $tZq$, and $s$-channel with ATLAS and CMS / Finelli, Kevin (Sydney U.)
Analyses of single top-quark production via $tW$ production, via $tZq$ production, and in the $s$-channel are presented, showing the scope of recent ATLAS and CMS analyses of $pp$ collisions produced at the LHC at $\sqrt{s}=7,8$, and ${13}\,\text{TeV}$. [...]
arXiv:1708.06610.
- 7 p.
Preprint

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