The expulsion of runaway electrons (REs) during different types of tokamak instabilities is analysed by means of a Cherenkov probe inserted into the scrape-off layer of the FTU tokamak. One such type of instability, the well-known tearing mode, is involved ...

IOP Publishing Ltd2019

Side emissions during EC injection for PDI studies in FTU tokamak

Gabriele Grosso, Cristian Galperti

The evidence of Parametric Decay Instabilities (PDI) excited by the ECH power injected in O-Mode has been explored in FTU Tokamak, using the Collective Thomson Scattering (CTS) diagnostic. The experiments show evidences to support the hypothesis of low-thr ...

E D P SCIENCES2019

Overview of the FTU results

Gabriele Grosso, Cristian Galperti, Filippo Bagnato

Since the 2016 IAEA Fusion Energy Conference, FTU operations have been mainly devoted to experiments on runaway electrons and investigations into a tin liquid limiter; other experiments have involved studies of elongated plasmas and dust. The tearing mode ...

IOP Publishing Ltd2019

Observation of short time-scale spectral emissions at millimeter wavelengths with the new CTS diagnostic on the FTU tokamak

Gabriele Grosso, Cristian Galperti

On the FTU tokamak, the collective Thomson scattering (CTS) diagnostic was renewed for investigating the possible excitation of parametric decay instabilities (PDI) by electron cyclotron (EC) or CTS probe beams in presence of magnetic islands and measure t ...

IOP Publishing Ltd2017

Advances in the FTU collective Thomson scattering system

Gabriele Grosso, Cristian Galperti

The new collective Thomson scattering diagnostic installed on the Frascati Tokamak Upgrade device started its first operations in 2014. The ongoing experiments investigate the presence of signals synchronous with rotating tearing mode islands, possibly due ...

Amer Inst Physics2016

Overview of the FTU results

Basil Duval, Olivier Sauter, Holger Reimerdes, Jonathan Rossel, Alexander Karpushov, Duccio Testa, Lucia Isabel Federspiel, Dávid Wágner, Gabriele Grosso, Doohyun Kim, Cristian Galperti, Donghyun Kim

Since the 2012 IAEA-FEC Conference, FTU operations have been largely devoted to runaway electrons generation and control, to the exploitation of the 140 GHz electron cyclotron (EC) system and to liquid metal limiter elements. Experiments on runaway electro ...

Iop Publishing Ltd2015

The upgraded Collective Thomson Scattering diagnostics of FTU

Gabriele Grosso, Cristian Galperti

The 140 GHz Collective Thomson Scattering (CTS) diagnostics installed on the Frascati Tokamak Upgrade (FTU) has been upgraded. The new system now is ready both to detect the thermal CTS radiation (for the first time with the probe frequency below the 1st h ...

Elsevier2015

First operations with the new Collective Thomson Scattering diagnostic on the Frascati Tokamak Upgrade device

Gabriele Grosso, Cristian Galperti

Anomalous emissions were found over the last few years in spectra of Collective Thomson Scattering (CTS) diagnostics in tokamak devices such as TEXTOR, ASDEX and FTU, in addition to real CTS signals. The signal frequency, down-shifted with respect to the p ...

Iop Publishing Ltd2015

Comment on "Linear Wave Dynamics Explains Observations Attributed to Dark Solitons in a Polariton Quantum Fluid"

Benoît Marie Joseph Deveaud, Cristiano Ciuti, Gabriele Grosso

American Physical Society2015

Hydrodynamics and nonlinear phenomena in polariton fluids

Gabriele Grosso

EPFL2014

Nonlinear relaxation and selective polychromatic lasing of confined polaritons

Benoît Marie Joseph Deveaud, François Morier-Genoud, Marcia Portella Oberli, Gabriele Grosso, Stéphane Trebaol

Polaritons have often been proposed as promising candidates for the realization of all-optical devices due to the easy manipulation and control of their density and spin. In this paper we present a relaxation mechanism for confined polaritons and its appli ...

Amer Physical Soc2014

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A search is presented for the Higgs boson decay to a pair of electrons (e(+)e(-)) in proton-proton collisions at root s= 13 TeV. The data set was collected with the CMS experiment at the LHC between 2016 and 2018, corresponding to an integrated luminosity ...

Elsevier2023

The first measurement of the top quark pair (t (t) over bar) production cross section in proton-proton collisions at root s = 13.6TeV is presented. Data recorded with the CMS detector at the CERN LHC in Summer 2022, corresponding to an integrated luminosit ...

Springer Nature2023

New sets of parameter tunes for two of the colour reconnection models, quantum chromodynamics-inspired and gluon-move, implemented in the PYTHIA 8 event generator, are obtained based on the default CMS PYTHIA 8 underlying-event tune, CP5. Measurements sens ...

Springer2023

The production of Z bosons associated with jets is measured in pp collisions at v s = 13 TeV with data recorded with the CMS experiment at the LHC corresponding to an integrated luminosity of 36.3 fb(-1). The multiplicity of jets with transverse momentum p ...

Springer2023

The mass of the top quark is measured in 36.3 fb(-1) of LHC proton-proton collision data collected with the CMS detector at root s = 13 TeV. The measurement uses a sample of top quark pair candidate events containing one isolated electron or muon and at le ...

Springer2023

A search is performed for exclusive high-mass gamma gamma -> WW and gamma gamma -> ZZ production in proton-proton collisions using intact forward protons reconstructed in near-beam detectors, with both weak bosons decaying into boosted and merged jets. The ...

Springer Nature2023

Multijet events at large transverse momentum (p(T)) are measured at root s = 13 TeV using data recorded with the CMS detector at the LHC, corresponding to an integrated luminosity of 36.3 fb(-1). The multiplicity of jets with p(T) > 50 GeV that are produce ...

Springer2023

A generic search is presented for the associated production of a Z boson or a photon with an additional unspecified massive particle X, pp -> pp + Z/gamma + X, in proton-tagged events from proton-proton collisions at root s = 13 TeV, recorded in 2017 with ...

Springer2023

The Precision Proton Spectrometer (PPS) of the CMS and TOTEM experiments collected 107.7 fb 1 in proton-proton (pp) collisions at the LHC at 13 TeV(Run 2). This paper describes the key features of the PPS alignment and optics calibrations, the proton recon ...

Iop Publishing Ltd2023