CERN Accelerating science

Preprints

Ultimi arrivi:
2017-09-19
11:15
The search for magnetic-induced charged currents in Pb--Pb collisions with ALICE / Margutti, Jacopo
In non-central heavy-ion collisions unprecedented strong magnetic fields, of the order of 10$^{18}$ Gauss, are expected to be produced. [...]
arXiv:1709.05618.
- 4 p.
Preprint

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2017-09-19
11:15
The Brother Higgs / Serra, Javi ; Torre, Riccardo
We present a version of the twin Higgs mechanism with minimal symmetry structure and particle content. [...]
arXiv:1709.05399 ; CERN-TH-2017-192.
- 12 p.
Preprint

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2017-09-19
11:15
New results on Initial State and Quarkonia with ALICE / Trombetta, Giuseppe
The study of quarkonia in heavy-ion collisions has been the subject of intense experimental and theoretical effort, ever since their production was predicted to be sensitive to the formation of a deconfined state of strongly-interacting matter, known as the Quark-Gluon Plasma (QGP). [...]
arXiv:1709.04363.
- 6 p.
Preprint

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2017-09-19
11:15
A New Look at the $Y$ Tetraquarks and $\Omega_c$ Baryons in the Diquark Model / Ali, Ahmed (DESY) ; Maiani, Luciano (CERN) ; Borisov, Anatoly V. (Moscow State U.) ; Ahmed, Ishtiaq (NCP, Islamabad) ; Aslam, M. Jamil (Quaid-i-Azam U.) ; Parkhomenko, Alexander Ya. (Yaroslavl State U.) ; Polosa, Antonio D. (Rome U. ; INFN, Rome) ; Rehman, Abdur (Quaid-i-Azam U.)
We analyze the hidden charm $P$-wave tetraquarks in the diquark model, using an effective Hamiltonian incorporating the dominant spin-spin, spin-orbit and tensor interactions, comparing with the $P$-wave charmonia and with the recent analysis of the newly discovered $\Omega_c$ baryons. [...]
DESY-17-104 ; arXiv:1708.04650.
- 10 p.
Preprint

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2017-09-18
16:32
Measurement of $CP$ observables in $B^{\pm} \rightarrow D K^{*\pm}$ decays using two- and four-body $D$ final states / LHCb Collaboration
Measurements of $CP$ observables in $B^{\pm} \rightarrow D K^{*\pm}$ decays are presented, where $D$ denotes a superposition of $D^0$ and $\overline{D^0}$ meson states. [...]
arXiv:1709.05855 ; LHCB-PAPER-2017-030 ; CERN-EP-2017-208 ; LHCB-PAPER-2017-030.
- 2017.
Fulltext - Related data file(s) - Preprint

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2017-09-18
11:04
Observation of electroweak production of same-sign W boson pairs in the two jet and two same-sign lepton final state in proton-proton collisions at $\sqrt{s} = $ 13 TeV / CMS Collaboration
The first observation of electroweak production of same-sign W boson pairs in proton-proton collisions is reported. [...]
arXiv:1709.05822 ; CMS-SMP-17-004 ; CERN-EP-2017-232 ; CMS-SMP-17-004-003.
- 2017.
Additional information for the analysis - CMS AuthorList - Fulltext - Preprint

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2017-09-18
10:35
Interpretation of quantum mechanics with indefinite norm / Strumia, Alessandro
The Born postulate can be reduced to its deterministic content that only applies to eigenvectors of observables: the standard probabilistic interpretation of generic states then follows from algebraic properties of repeated measurements and states. [...]
CERN-TH-2017-191 ; IFUP-TH-2016 ; arXiv:1709.04925.
- 16 p.
Preprint

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2017-09-18
10:35
Combined Forward-Backward Asymmetry Measurements in Top-Antitop Quark Production at the Tevatron / D0 Collaboration
The CDF and D0 experiments at the Fermilab Tevatron have measured the asymmetry between yields of forward- and backward-produced top and antitop quarks based on their rapidity difference and the asymmetry between their decay leptons. [...]
FERMILAB-PUB-17-379-E ; arXiv:1709.04894.
- 18 p.
Preprint

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2017-09-18
09:54
LHC Full Energy Exploitation Study: Operation at 7 TeV / Bruning, Oliver (CERN) ; Garcia Alia, Ruben (CERN) ; Antoniou, Fanouria ; Apollonio, Andrea (CERN) ; Arduini, Gianluigi (CERN) ; Baglin, Vincent (CERN) ; Bartmann, Wolfgang (CERN) ; Bednarek, Mateusz Jakub (CERN) ; Bracco, Chiara (CERN) ; Bregliozzi, Giuseppe (CERN) et al.
This is the first report of a three volume study on the full energy exploitation of the LHC. [...]
CERN-ACC-2017-0086.
- 2017. - 51 p.
Full text

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2017-09-18
09:45
Measurements of the top quark properties at decay with CMS / Castro, Andrea (INFN, Bologna ; Bologna U.) /CMS Collaboration
CMS measurements of top quark properties related to top decays are discussed. The results presented regard the measurement of the W boson helicity, the investigation of anomalous couplings in the Wtb vertex, and the search for very rare decays, such as t- gt Zq and t- gt Hq, which are associated to flavor-changing neutral currents..
CMS-CR-2017-252.- Geneva : CERN, 2017 - 6 p. Fulltext: PDF;
In : 2017 European Physical Society Conference on High Energy Physics, Venice, Italy, 05 - 12 Jul 2017

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