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2019-01-23
04:41
Observation of the doubly Cabibbo-suppressed decay $\Xi_{c}^{+}\to p\phi$ / LHCb Collaboration
The doubly Cabibbo-suppressed decay $\Xi_{c}^{+}\to p\phi$ with $\phi\to K^{+}K^{-}$ is observed for the first time, with a statistical significance of more than fifteen standard deviations. [...]
arXiv:1901.06222 ; LHCb-PAPER-2018-040 ; CERN-EP-2018-349. -
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2019-01-23
04:40
A Monte Carlo global analysis of the Standard Model Effective Field Theory: the top quark sector / Hartland, Nathan P. ; Maltoni, Fabio ; Nocera, Emanuele R. ; Rojo, Juan ; Slade, Emma ; Vryonidou, Eleni ; Zhang, Cen
We present a novel framework for carrying out global analyses of the Standard Model Effective Field Theory (SMEFT) at dimension-six: SMEFiT. [...]
arXiv:1901.05965 ; OUTP-18-07P ; Nikhef-2018-058 ; CP3-19-02 ; CERN-TH-2018-274. - 72 p.
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2019-01-22
15:12
Measurement of the mass and production rate of $\Xi_b^-$ baryons
The first measurement of the production rate of $\Xi_b^-$ baryons in $pp$ collisions relative to that of $\Lambda_b^0$ baryons is reported, using data samples collected by the LHCb experiment, and corresponding to integrated luminosities of 1, 2 and 1.6~fb$^{-1}$ at $\sqrt{s}=7,~8$ and 13~TeV, respectively. [...]
CERN-EP-2018-348 ; LHCB-PAPER-2018-047. - 2019.
Fulltext - Related data file(s)

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2019-01-22
08:33
Understanding sequential quarkonium suppression with $\Upsilon(nS)$ measurements in pp and PbPb collisions at $\sqrt{s_{NN}}$ = 5.02 TeV / Park, Jaebeom (Korea U.) /CMS Collaboration
The production cross sections of the $\Upsilon(1S)$, $\Upsilon(2S)$, and $\Upsilon(3S)$ states were measured separately using the CMS experimental apparatus, in proton-proton (pp) and lead-lead (PbPb) collisions at 5.02 TeV. The final results of the nuclear modification factors, $R_{AA}$, are reported of the three upsilon states as a function of transverse momentum ($p_{T}$), rapidity ($y$) and PbPb collision centrality. The data show a significant suppression of all three states following a sequential ordering, $R_{AA}(\Upsilon(1S)) > R_{AA}(\Upsilon(2S)) > R_{AA}(\Upsilon(3S))$. [...]
CMS-CR-2018-418.- Geneva : CERN, 2018 - 6 p. Fulltext: PDF;
In : Hard Probes 2018: International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions, Aix-les-bains, France, 1 - 5 Oct 2018

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2019-01-22
07:37
3D energy deposition measurements with the GEMPix detector in a water phantom for hadron therapy / Leidner, J (CERN) ; Ciocca, M ; George, S P ; Mirandola, A ; Murtas, F ; Rimoldi, A ; Silari, M ; Tamborini, A
In this paper we present 3D measurements of the energy deposition by a clinical carbon ion beam in a water phantom. [...]
2018.

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2019-01-22
04:08
Muon Colliders / Delahaye, Jean Pierre (CERN) ; Diemoz, Marcella (INFN, Rome) ; Long, Ken (Imperial Coll., London) ; Mansoulié, Bruno (IRFU, Saclay) ; Pastrone, Nadia (INFN, Turin) ; Rivkin, Lenny (PSI, Villigen) ; Schulte, Daniel (CERN) ; Skrinsky, Alexander (Novosibirsk, IYF) ; Wulzer, Andrea (CERN ; EPFL, Lausanne, LPTP ; Padua U.)
Muon colliders have a great potential for high-energy physics. [...]
arXiv:1901.06150. - 11 p.
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2019-01-22
04:07
BE-HaPPY: Bias Emulator for Halo Power Spectrum including massive neutrinos / Valcin, David ; Villaescusa-Navarro, Francisco ; Verde, Licia ; Raccanelli, Alvise
We study the clustering properties of dark matter halos in real- and redshift-space in cosmologies with massless and massive neutrinos through a large set of state-of-the-art N-body simulations. [...]
arXiv:1901.06045 ; CERN-TH-2019-005. - 23 p.
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2019-01-22
04:07
Form factors of two-hadron states from a covariant finite-volume formalism / Baroni, Alessandro (South Carolina U.) ; Briceño, Raúl A. (Jefferson Lab ; Old Dominion U.) ; Hansen, Maxwell T. (CERN) ; Ortega-Gama, Felipe G. (Jefferson Lab ; Coll. William and Mary)
In this work we develop a Lorentz-covariant version of the previously derived formalism for relating finite-volume matrix elements to $\textbf 2 + \mathcal J \to \textbf 2$ transition amplitudes. [...]
arXiv:1812.10504. - 42 p.
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2019-01-20
22:45
Search for supersymmetry in events with a photon, jets, b-jets, and missing transverse momentum in proton-proton collisions at 13 TeV
A search for supersymmetry is presented based on events with at least one photon, jets, and large missing transverse momentum produced in proton-proton collisions at a center-of-mass energy of 13 TeV. [...]
CERN-EP-2018-353 ; CMS-SUS-18-002-003. - 2019.
Additional information for the analysis - CMS AuthorList - Fulltext

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2019-01-20
05:24
Energy frontier lepton-hadron colliders, vector-like quarks and leptons, preons and so on / Sultansoy, Saleh (TOBB ETU, Ankara)
First of all, an importance of the LHC and FCC based energy frontier lepton-hadron and photon-hadron colliders is emphasised. [...]
arXiv:1901.00309. - 6 p.
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