CERN Accelerating science

CERN Preprints

最近の追加:
2016-12-02
17:20
Parameters for aperture calculations at injection for HL-LHC* / Bruce, Roderik (CERN) ; Bracco, Chiara (CERN) ; De Maria, Riccardo (CERN) ; Giovannozzi, Massimo (CERN) ; Redaelli, Stefano (CERN) ; Tomas Garcia, Rogelio (CERN) ; Velotti, Francesco Maria (CERN) ; Wenninger, Jorg (CERN)
Accurate evaluations of the margins of available aperture in the LHC and HL-LHC are very important, in order to judge if proposed optics and hardware are adequate, and to push the machine performance. [...]
CERN-ACC-2016-0328.
- 2016. - 25 p.
Full text

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2016-12-02
12:49
SUSY Meets Her Twin / Katz, Andrey ; Mariotti, Alberto ; Pokorski, Stefan ; Redigolo, Diego ; Ziegler, Robert
We investigate the general structure of mirror symmetry breaking in the Twin Higgs scenario. [...]
arXiv:1611.08615 ; CERN-TH-2016-240 ; TTP16-054.
- 2016. - 37 p.
Preprint - Full text

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2016-12-02
12:44
Determining the CP nature of spin-0 mediators in associated production of dark matter and $t \bar t$ pairs / Haisch, Ulrich ; Pani, Priscilla ; Polesello, Giacomo
In the framework of spin-0 $s$-channel simplified models, we explore the possibility of assessing the structure of dark matter interactions through the associate production of dark matter and $t\bar{t}$ pairs. [...]
arXiv:1611.09841 ; CERN-TH-2016-243.
- 2016. - 24 p.
Preprint - Full text

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2016-12-02
12:44
Phenomenological analysis of associated production of $Z^0+b$ in the $b \rightarrow J/\psi X$ decay channel at the LHC / Lansberg, Jean-Philippe ; Shao, Hua-Sheng
The ATLAS collaboration recently reported on the first observation of associated-production of a $Z^0$ boson with a $J/\psi$. [...]
arXiv:1611.09303 ; CERN-TH-2016-244.
- 2016. - 12 p.
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2016-12-02
12:44
Search for decays of neutral beauty mesons into four muons / LHCb collaboration
A search for the non-resonant decays $B^0_s \rightarrow \mu^{+}\mu^{-}\mu^{+}\mu^{-}$ and $B^0 \rightarrow \mu^{+}\mu^{-}\mu^{+}\mu^{-}$ is presented [...]
arXiv:1611.07704 ; LHCB-PAPER-2016-043 ; CERN-EP-2016-276.
- 2016.
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2016-12-02
12:42
Stringy bounces and gradient instabilities / Giovannini, Massimo
Bouncing solutions are obtained from a generally covariant action characterized by a potential which is a nonlocal functional of the dilaton field at two separated space-time points. [...]
arXiv:1612.00346 ; CERN-TH-2016-194.
- 2016. - 23 p.
Preprint - Full text

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2016-12-02
12:37
Constraints on violation of Lorentz invariance from atmospheric showers initiated by multi-TeV photons / Rubtsov, Grigory ; Satunin, Petr ; Sibiryakov, Sergey
We discuss the effect of hypothetical violation of Lorentz invariance at high energies on the formation of atmospheric showers by very-high-energy gamma rays. [...]
arXiv:1611.10125 ; CERN-TH-2016-246 ; INR-TH-2016-044.
- 2016. - 20 p.
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2016-12-01
16:29
Operation and Performance of a new microTCA-based CMS Calorimeter Trigger in LHC Run 2 / Klabbers, Pamela Renee (Wisconsin U., Madison) /CMS Collaboration
The Large Hadron Collider (LHC) at CERN is currently increasing the instantaneous luminosity for p-p collisions. In LHC Run 2, the center-of-mass energy has gone from 8 to 13 TeV and the instantaneous luminosity will approximately double for proton collisions. [...]
CMS-CR-2016-428.- Geneva : CERN, 2016 - 5 p. Fulltext: PDF;
In : IEEE Nuclear Science Symposium and Medical Imaging Conference, Strasbourg, France, 29 Oct - 6 Nov 2016

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2016-12-01
16:29
Measurement of differential and integrated fiducial cross sections for Higgs boson production in the four-lepton decay channel in pp collisions at $\sqrt{s} = 7, 8$ and $13$~TeV / Ahmad, Muhammad (Beijing, Inst. High Energy Phys.) /CMS Collaboration
Integrated fiducial cross sections for the production of four leptons via the $H \rightarrow 4\ell$ decays ($\ell = e, \mu$) are measured in pp collisions at $\sqrt{s} = 7, 8$ and $13$~TeV. Measurements are performed with data corresponding to integrated luminosities of 5.1 fb${}^{-1}$ at $\sqrt{s}=7$~TeV, 19.7 fb${}^{-1}$ at $\sqrt{s}=8$~TeV and 12.9 fb${}^{-1}$ at $\sqrt{s}=13$~TeV, collected with the CMS experiment at the LHC. [...]
CMS-CR-2016-415.- Geneva : CERN, 2016 - 5 p. Fulltext: PDF;
In : 38th International Conference on High Energy Physics, Chicago, IL, USA, 03 - 10 Aug 2016

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2016-12-01
16:21
Search for new physics with tau final states at 13 TeV / Mao, Zaixing (Brown U.) /CMS Collaboration
Searches for four new particles: Sequential Standard Model W' and Z' bosons, right-handed W bosons and third-generation leptoquarks; are performed using pp collision data at $\sqrt{s} = 13$ TeV recored by the CMS detector at the LHC. The events observed are found to be in good agreement with the SM predictions. [...]
CMS-CR-2016-390.- Geneva : CERN, 2016 - 5 p. Fulltext: PDF;
In : The 14th International Workshop on Tau Lepton Physics (Tau2016), Beijing, China, 18 - 23 Sep 2016

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