2019-03-26
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Magnetic field at Ce impurities in La sites of La0.5Ba0.5MnO3 double perovskites
/ B. Bosch-Santos ; N. M. Nascimento, M. Saiki, E. L. Correa, T. S. N. Sales, L. F. D. Pereira, G. A. Cabrera-Pasca, R. N. Saxena, J. Schell, and A. W. Carbonari
/IS652 Collaboration
Due to its rich variety of electromagnetic properties, such as a colossal magnetoresistance, charge and orbital ordering, and metal-insulator transition, the magnetic behavior in La0.5Ba0.5MnO3 double perovskite compounds has been investigated by several techniques, however more experimental data, especially from atomic resolution techniques, are still necessary to understand such complex behavior. In this paper, we have used a nuclear and short-range technique, the Perturbed Angular Correlation (PAC) spectroscopy, to investigate the magnetic hyperfine interaction at the 140Ce and 111Cd probe nuclei as impurities occupying La sites. [...]
- Published in : AIP Advances 9 (2019) 035245
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2019-03-26
08:11 |
QCD at forward rapidity, in ultra-peripheral collisions, and multi-parton interactions
/ Kryshen, Evgeny (St. Petersburg, INP)
/ALICE ; ATLAS ; CMS ; LHCb
The LHC is a unique laboratory to perform studies of diffractive processes, photon-induced reactions and multi-parton interactions and explore various aspects of non-perturbative QCD such as Pomeron structure, low-x evolution of parton density functions and the dynamics of hadron collisions at non-perturbative scales. Recent results on these subjects from the ALICE, ATLAS, CMS, LHCb and TOTEM collaborations at the LHC are reviewed..
SISSA, 2018 - 9 p.
- Published in : PoS LHCP2018 (2018) 108
Fulltext: PDF; External link: PoS server
In : Sixth Annual Conference on Large Hadron Collider Physics, Bologna, Italy, 4 - 9 Jun 2018, pp.108
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2019-03-26
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2019-03-26
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Phase I and II Upgrades of the ATLAS Muon Spectrometer with Integrated Small Diameter Drift Tube Chambers and Thin-Gap Resistive Plate Chambers
/ Walbrecht, Verena Maria (Munich, Max Planck Inst.)
/ATLAS Muon
The ATLAS muon spectrometer comprises excellent muon trigger capabilities and high muon momentum resolution up to the TeV scale. Yet, in a small region between the barrel and end-cap parts of the muon spectrometer, a non-negligible muon trigger rate from charged particles not emerging from the pp interaction point has been observed.To prevent such fake triggers, the end of the inner ring of the muon spectrometer barrel in the barrel end-cap transition region, which is currently not equipped with trigger chambers, will be instrumented with resistive platechambers (RPCs) in the next long shutdown of the LHC in 2019 and 2020. [...]
SISSA, 2018 - 5 p.
- Published in : PoS LHCP2018 (2018) 083
Fulltext: PDF; External link: PoS server
In : Sixth Annual Conference on Large Hadron Collider Physics, Bologna, Italy, 4 - 9 Jun 2018, pp.083
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2019-03-26
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Registre complet - Registres semblants
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2019-03-26
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Registre complet - Registres semblants
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2019-03-26
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Registre complet - Registres semblants
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2019-03-26
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2019-03-26
08:11 |
Measurements of properties of the Higgs boson in the four-lepton final state at $\sqrt s =$ 13 TeV
/ Kovac, Marko (Split Tech. U.)
/CMS
The H $\to$ ZZ $\to$ 4$\ell$ decay channel ($\ell = e, \mu$) is one of the most important channels for studies of properties of the Higgs boson since it has a large signal-to-background ratio due to the complete reconstruction of the final state decay objects and excellent lepton momentum resolution. Measurements performed using this decay channel and Run 1 data include, among others, the determination of the mass, spin-parity, and width of the new boson as well as tests for anomalous HVV couplings. [...]
SISSA, 2018 - 4 p.
- Published in : PoS LHCP2018 (2018) 067
Fulltext: PDF; External link: PoS server
In : Sixth Annual Conference on Large Hadron Collider Physics, Bologna, Italy, 4 - 9 Jun 2018, pp.067
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2019-03-26
08:11 |
CP violation in $B^{0}_{(s)}\rightarrow h^{+}h^{-}$
/ Fazzini, Davide (INFN, Milan Bicocca ; Milan U.)
/LHCb
An important test of the Standard Model is represented by the charmless charged two-body $b$-hadron decays to final states with kaons and pions. In fact the $C\!P$ asymmetries measured using these decays are sensitive to new physics beyond the Standard Model since the decay amplitudes receive contributions from loop-level diagrams with magnitudes similar to those from tree-level transitions.We report the most recent results on the charmless \textit{b}-hadron two-body decays obtained by the LHCb experiment using the data collected in Run~1 (3 fb$^{-1}$)..
SISSA, 2018 - 5 p.
- Published in : PoS LHCP2018 (2018) 063
Fulltext: PDF; External link: PoS server
In : Sixth Annual Conference on Large Hadron Collider Physics, Bologna, Italy, 4 - 9 Jun 2018, pp.063
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