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2018-04-26
10:23
Magnetic Measurements on the PS Magnet Unit U17 with Hall Probes / Cornuet, D ; Sharifullin, Z (Scientific Associate from IHEP, Protvino, Russia)
CERN-AT-MA-Note-92-23. - 1992. - 110 p.
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2018-04-26
09:46
Elliptic flow of charm and strange hadrons in high-multiplicity pPb collisions at $ {\sqrt {\smash [b]{s_{_{\mathrm {NN}}}}}} = $ 8.16 TeV
The elliptic azimuthal anisotropy coefficient ($v_2$) is measured for charm ($ {\mathrm{D^0}} $) and strange ($ {\mathrm{K^0_S}} $, $ \Lambda $, $ \Xi^-$, and $ \Omega^-$) hadrons, using a data sample of pPb collisions collected by the CMS experiment, at a nucleon-nucleon center-of-mass energy ${\sqrt {\smash [b]{s_{_{\mathrm {NN}}}}}} = $ 8.16 TeV. [...]
CERN-EP-2018-076 ; CMS-HIN-17-003-003. - 2018.
Additional information for the analysis - CMS AuthorList - Fulltext

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2018-04-26
07:22
New relations for graviton-matter amplitudes / Plefka, Jan ; Wormsbecher, Wadim
We present new relations for scattering amplitudes of color ordered gluons, massive quarks and scalars minimally coupled to gravity. [...]
HU-EP-18/13 ; CERN-TH-2018-095 ; arXiv:1804.09651. - 12 p.
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2018-04-26
07:22
Observation of the decay $\Lambda_b^0 \to \Lambda_c^+ p \overline{p} \pi^-$ / LHCb Collaboration
The decay $\Lambda_b^0 \to \Lambda_c^+ p \overline{p} \pi^-$ is observed using $pp$ collision data collected with the LHCb detector at centre-of-mass energies of $\sqrt{s}=$ 7 and 8 TeV, corresponding to an integrated luminosity of 3 $fb^{-1}$. [...]
arXiv:1804.09617. -
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2018-04-26
07:21
Measurement of $\Upsilon$ production in $pp$ collisions at $\sqrt{s}$= 13 TeV / LHCb Collaboration
The production cross-sections of $\Upsilon(1S)$, $\Upsilon(2S)$ and $\Upsilon(3S)$ mesons in proton-proton collisions at $\sqrt{s}$= 13 TeV are measured with a data sample corresponding to an integrated luminosity of $277 \pm 11$ $\rm pb^{-1}$ recorded by the LHCb experiment in 2015. [...]
LHCb-PAPER-2018-002 ; CERN-EP-2018-054 ; arXiv:1804.09214. -
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2018-04-26
07:18
Exploiting the WH/ZH symmetry in the search for New Physics / Harlander, R.V. (Aachen, Tech. Hochsch.) ; Klappert, J. (Aachen, Tech. Hochsch.) ; Pandini, C. (CERN) ; Papaefstathiou, A. (Amsterdam U. ; NIKHEF, Amsterdam)
We suggest to isolate the loop-induced gluon-initiated component ($gg\to ZH$) for associated $ZH$ production by using the similarity of the Drell-Yan-like component for $ZH$ production to the $WH$ process. [...]
TTK-17-48 ; Nikhef 2018-026 ; arXiv:1804.02299. - 22 p.
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2018-04-26
07:18
Hawking radiation and propagation of massive charged scalar field on a three-dimensional G\"odel black hole / González, P.A. (Diego Portales U.) ; Övgün, Ali (CERN ; Eastern Mediterranean U. ; Valparaiso U., Catolica) ; Saavedra, Joel (Valparaiso U., Catolica) ; Vásquez, Yerko (La Serena U.)
In this paper we consider the three-dimensional G\"odel black hole as a background and we study the vector particle tunneling from this background in order to obtain the Hawking temperature. [...]
arXiv:1711.01865. - 17 p.
Preprint

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2018-04-25
16:55
A search for lepton-flavor-violating decays of the $Z$ boson into a $\tau$-lepton and a light lepton with the ATLAS detector / ATLAS Collaboration
Direct searches for lepton flavor violation in decays of the $Z$ boson with the ATLAS detector at the LHC are presented. [...]
arXiv:1804.09568 ; CERN-EP-2018-052. - 2018. - 43 p, 43 p.
Fulltext - Previous draft version - Fulltext

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2018-04-25
07:42
The Infrared Structure of Nambu-Goldstone Bosons / Low, Ian ; Yin, Zhewei
The construction of effective actions for Nambu-Goldstone bosons, and the nonlinear sigma model, usually requires a target coset space $G/H$. [...]
CERN-TH-2018-090 ; arXiv:1804.08629 ; CERN-TH-2018-090. - 47 p.
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2018-04-25
07:41
Single-top associated production with a $Z$ or $H$ boson at the LHC: the SMEFT interpretation / Degrande, Celine ; Maltoni, Fabio ; Mimasu, Ken ; Vryonidou, Eleni ; Zhang, Cen
At the LHC, top quarks can be produced singly with a sizeable rate via electroweak interactions. [...]
CERN-TH-2018-092 ; arXiv:1804.07773 ; CERN-TH-2018-092. - 29 p.
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