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CERN Preprints

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2017-08-16
19:02
Nuclear modification factor of $\mathrm{D}^0$ mesons in PbPb collisions at ${\sqrt{{s_{_{\text{NN}}}}}} = $ 5.02 TeV
The transverse momentum ($ p_{\mathrm{T}} $) spectrum of prompt $ \mathrm{D}^0 $ mesons and their antiparticles has been measured via the hadronic decay channels $ \mathrm{D}^0\to \mathrm{K}^{-} \pi^{+}$ and ${\overline{\mathrm{D}}}{}^0 \to \mathrm{K}^{+} \pi^{-}$ in pp and PbPb collisions at a centre-of-mass energy of 5.02 TeV per nucleon pair with the CMS detector at the LHC. [...]
CERN-EP-2017-186 ; CMS-HIN-16-001-003.
- 2017.
Additional information for the analysis - CMS AuthorList - Fulltext

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2017-08-16
07:46
Direct determination of Wilson coefficients using $B^0\to K^{*0}\mu^+\mu^-$ decays / Hurth, T. ; Langenbruch, C. ; Mahmoudi, F.
A method to directly determine the Wilson coefficients for rare $b\to s$ transitions using $B^0\to K^{*0}\mu^+\mu^-$ decays in an unbinned maximum likelihood fit is presented. [...]
arXiv:1708.04474 ; CERN-TH-2017-178 ; MITP-17-053.
- 40 p.
Preprint

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2017-08-15
11:12
Search for diboson resonances with boson-tagged jets in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
Narrow resonances decaying into $WW$, $WZ$ or $ZZ$ boson pairs are searched for in 36.7 fb $^{-1}$ of proton--proton collision data at a centre-of-mass energy of $\sqrt{s}=13$ TeV recorded with the ATLAS detector at the Large Hadron Collider in 2015 and 2016. [...]
arXiv:1708.04445 ; CERN-EP-2017-147.
- 2017. - 40 p, 40 p.
Fulltext - Previous draft version

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2017-08-15
09:13
Measurement of the exclusive $\gamma \gamma \rightarrow \mu^+ \mu^-$ process in proton--proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
The production of exclusive $\gamma \gamma \rightarrow \mu^+ \mu^-$ events in proton--proton collisions at a centre-of-mass energy of 13 TeV is measured with the ATLAS detector at the LHC, using data corresponding to an integrated luminosity of 3.2 fb$^{-1}$. [...]
arXiv:1708.04053 ; CERN-EP-2017-151.
- 2017. - 35 p.
Fulltext - Previous draft version

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2017-08-15
07:22
$\mathcal{N}{=}1$ supersymmetric indices and the four-dimensional A-model / Closset, Cyril (CERN) ; Kim, Heeyeon (Perimeter Inst. Theor. Phys.) ; Willett, Brian (Santa Barbara, KITP)
We compute the supersymmetric partition function of $\mathcal{N}{=}1$ supersymmetric gauge theories with an $R$-symmetry on $\mathcal{M}_4 \cong \mathcal{M}_{g,p}\times S^1$, a principal elliptic fiber bundle of degree $p$ over a genus-$g$ Riemann surface, $\Sigma_g$. [...]
arXiv:1707.05774.
- 92 p.
Preprint

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2017-08-15
07:22
Impact of the heavy quark matching scales in PDF fits / xFitter Developers Team Collaboration
We investigate the impact of displaced heavy quark matching scales in a global fit. [...]
arXiv:1707.05343.
- 18 p.
Preprint

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2017-08-15
07:22
Production of extra quarks decaying to Dark Matter beyond the Narrow Width Approximation at the LHC / Moretti, Stefano (Rutherford ; Southampton U. ; CERN) ; O'Brien, Dermot (Rutherford ; Southampton U.) ; Panizzi, Luca (Rutherford ; Southampton U.) ; Prager, Hugo (Rutherford ; Southampton U.)
This paper explores the effects of finite width in processes of pair production of an extra heavy quark with charge 2/3 (top partner) and its subsequent decay into a bosonic Dark Matter (DM) candidate -- either scalar or vector -- and SM up-type quarks at the Large Hadron Collider (LHC). [...]
arXiv:1705.07675.
- 19 p.
Preprint

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2017-08-15
07:22
Withdrawn: Tau polarization as CP diagnostic for a light Higgs boson at a photon collider / Godbole, Rohini M. (Bangalore, Indian Inst. Sci.) ; Singh, Ritesh K ; Kraml, Sabine
Unfortunately, we have discovered a bug in the computer program which invalidates the numerical results of our paper. [...]
hep-ph/0501027 ; IISC-CHEP-16-04 ; CERN-PH-TH-2004-262.
- 11 p.

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2017-08-14
18:54
Search for resonant and nonresonant Higgs boson pair production in the $\mathrm{ b \bar{b} } \ell\nu \ell\nu$ final state in proton-proton collisions at $ \sqrt{s} = $ 13 TeV / CMS Collaboration
Searches for resonant and nonresonant pair-produced Higgs bosons (HH) decaying respectively into $\ell\nu \ell\nu$, through either W or Z bosons, and $\mathrm{ b \bar{b} }$ are presented. [...]
CMS-HIG-17-006 ; CERN-EP-2017-168 ; arXiv:1708.04188 ; CMS-HIG-17-006-003.
- 2017.
Additional information for the analysis - CMS AuthorList - Fulltext - Preprint

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2017-08-13
07:54
Dark Matter as a weakly coupled Dark Baryon / Mitridate, Andrea (INFN, Pisa ; Pisa, Scuola Normale Superiore) ; Redi, Michele (Florence U. ; INFN, Florence) ; Smirnov, Juri (Florence U. ; INFN, Florence) ; Strumia, Alessandro (Pisa U. ; INFN, Pisa ; CERN)
Dark Matter might be an accidentally stable baryon of a new confining gauge interaction. [...]
arXiv:1707.05380.
- 41 p.
Preprint

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