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Listar por autor "Ardid Ramírez, Miguel"

Mostrando ítems 1-20 de 222

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A compact acoustic calibrator for ultra-high energy neutrino detection

Adrián Martínez, Silvia; Ardid Ramírez, Miguel; Bou Cabo, Manuel; Larosa, Giuseppina; Llorens Alvarez, Carlos David; Martínez Mora, Juan Antonio (Elsevier, 2013-10-11)

With the aim to optimize and test the method of acoustic detection of ultra-high energy neutrinos in underwater telescopes a compact acoustic transmitter array has been developed. The acoustic parametric effect is used to ...
A compact array calibrator to study the feasibility of acoustic neutrino detection

Ardid Ramírez, Miguel; Camarena Femenia, Francisco; Felis-Enguix, Iván; Herrero Debón, Alicia; Llorens Alvarez, Carlos David; Martínez Mora, Juan Antonio; Saldaña-Coscollar, María (EDP Sciences, 2016)

[EN] Underwater acoustic detection of ultra-high-energy neutrinos was proposed already in 1950s: when a neutrino interacts with a nucleus in water, the resulting particle cascade produces a pressure pulse that has a bipolar ...
A Compact Array Transducer for Full Calibration of Underwater Acoustic Detection Neutrino Telescopes

Ardid Ramírez, Miguel; Tortosa, Dídac D.; Martínez Mora, Juan Antonio (IEEE, 2019-10-25)

[EN] KM3NeT, the underwater neutrino telescope in the Mediterranean Sea, is a detector under construction. KM3NeT uses Digital Optical Modules (DOMs) to detect neutrinos but there will be a study about the viability to ...
A fast algorithm for muon track reconstruction and its application to the ANTARES neutrino telescope

Aguilar, JA; Al Samarai, I; Albert, A; Andre, M; Anghinolfi, M; Anton, G; Anvar, S; Ardid Ramírez, Miguel; Assis Jesus, A.C.; Astraatmadja, T.; Aubert, J.-J.; Bou Cabo, Manuel; Camarena Femenia, Francisco; Larosa, Giuseppina; Martínez Mora, Juan Antonio (Elsevier, 2011-04)

An algorithm is presented, that provides a fast and robust reconstruction of neutrino induced upward-going muons and a discrimination of these events from downward-going atmospheric muon background in data collected by the ...
A first search for coincident gravitational waves and high energy neutrinos using LIGO, Virgo and ANTARES data from 2007

Adrián Martínez, Silvia; Ardid Ramírez, Miguel; Bou Cabo, Manuel; Ferri García, Marcelino; Larosa, Giuseppina; Martínez Mora, Juan Antonio; Astraatmadja, T.; Aubert, J.J.; Al Samarai, I.; Albert, A.; Baret, B.; André, M.; Basa, S.; Bertin, Vincent; Anghinolfi, M. (IOP Publishing: Hybrid Open Access, 2013-06)

We present the results of the fi rst search for gravitational wave bursts associated with high energy neutrinos. Together, these messengers could reveal new, hidden sources that are not observed by conventional photon ...
A method for detection of muon induced electromagnetic showers with the ANTARES detector

Aguilar, J. A.; Al Samarai, I.; Albert, A.; Andre, M.; Anghinolfi, M.; Anton, G.; Anvar, S.; Ardid Ramírez, Miguel; Jesus, A. C. Assis; Astraatmadja, T.; Bou Cabo, Manuel; Camarena Femenia, Francisco; Ferri García, Marcelino; Larosa, Giuseppina; Martínez Mora, Juan Antonio (Elsevier, 2012-05-21)

The primary aim of ANTARES is neutrino astronomy with upward going muons created in charged current muon neutrino interactions in the detector and its surroundings. Downward going muons are background for neutrino searches. ...
A method to stabilise the performance of negatively fed KM3NeT photomultipliers

Adrián Martínez, Silvia; Ardid Ramírez, Miguel; Llorens Alvarez, Carlos David; Martínez Mora, Juan Antonio; Saldaña-Coscollar, María; Ageron, M.; Aiello, S.; Albert, A.; Ameli, F.; Anassontzis, E.G.; Andre, M.; Androulakis, G.; Anghinolfi, M.; Anton, G.; Avgitas, T. (IOP Publishing, 2016-12)

[EN] The KM3NeT research infrastructure, currently under construction in the Mediterranean Sea, will host neutrino telescopes for the identification of neutrino sources in the Universe and for studies of the neutrino ...
A polarized fast radio burst at low Galactic latitude

Ardid Ramírez, Miguel; Felis-Enguix, Iván; Martínez Mora, Juan Antonio; Saldaña-Coscollar, María; Petroff, E.; Burke-Spolaor, S.; Keane, E. F.; McLaughlin, M.A.; Miller, R.; Andreoni, I.; Bailes, M.; Barr, E.D.; Bernard, S.R.; Bhandari, S.; Bhat, N.D.R. (Oxford University Press (OUP), 2017-08-21)

[EN] We report on the discovery of a new fast radio burst (FRB), FRB 150215, with the Parkes radio telescope on 2015 February 15. The burst was detected in real time with a dispersion measure (DM) of 1105.6 ± 0.8 pc cm-3;3, ...
A Search for Cosmic Neutrino and Gamma-Ray Emitting Transients in 7.3 yr of ANTARES and Fermi LAT Data

Ayala, H.A.; Cowen, D.F.; Delaunay, J.J.; Fox, D.; Keivani, A.; Mostafa, M.; Murase, K.; Turley, C.F.; Amon, A. Albert; Andre, M.; Anghinolfi, M.; Anton, G.; Ardid Ramírez, Miguel; Aubert, J.J.; Aublin, J.; Martínez Mora, Juan Antonio (American Astronomical Society, 2019-12-01)

[EN] We analyze 7.3 yr of ANTARES high-energy neutrino and Fermi Large Area Telescope (LAT) g-ray data in search of cosmic neutrino + g-ray (n+g) transient sources or source populations. Our analysis has the potential to ...
A search for neutrino emission from the Fermi bubbles with ANTARES telescope

Adrián Martínez, Silvia; Albert, A.; Al Samarai, I.; André, M.; Anton, G.; Anvar, S.; Ardid Ramírez, Miguel; Astraatmadja, T.; Aubert, J.-J.; Baret, B.; Barrios-Marti, J.; Basa, S.; Bertin, V.; Larosa, Giuseppina; Martínez Mora, Juan Antonio (Springer, 2014-02-06)

Analysis of the Fermi-LAT data has revealed two extended structures above and below the Galactic Centre emitting gamma rays with a hard spectrum, the so-called Fermi bubbles. Hadronic models attempting to explain the origin ...
A search for Secluded Dark Matter in the Sun with the ANTARES neutrino telescope

Adrián Martínez, Silvia; Albert, A.; Andre, M.; Anton, G.; Ardid Ramírez, Miguel; Aubert, J. -J.; Avgitas, T.; Baret, B.; Barrios Marti, J.; Basa, S.; Bertin, V.; Bou Cabo, Manuel; Felis Enguix, Iván; Martínez Mora, Juan Antonio; Saldaña Coscollar, María (IOP Publishing, 2016-05)

A search for Secluded Dark Matter annihilation in the Sun using 2007 2012 data of the ANTARES neutrino telescope is presented. Three different cases are considered: a) detection of dimuons that result from the decay of the ...
A search for time dependent neutrino emission from microquasars with the ANTARES telescope

Adrián Martínez, Silvia; Ardid Ramírez, Miguel; Felis-Enguix, Iván; Larosa, Giuseppina; Martínez Mora, Juan Antonio; Saldaña-Coscollar, María; Albert, A.; André, M.; Anghinolfi, M.; Anton, G.; Astraatmadja, T.; Aubert, J.-J.; Baret, B.; Barrios, J.; Basa, S. (Elsevier, 2014-09)

[EN] Results are presented on a search for neutrino emission from a sample of six microquasars, based on the data collected by the ANTARES neutrino telescope between 2007 and 2010. By means of appropriate time cuts, the ...
Aceleraciones no constantes: fuerzas que dependen de la velocidad

Gómez Tejedor, José Antonio; Riera Guasp, Jaime; Ardid Ramírez, Miguel (Universitat Politècnica de València, 2016-07-14)

En este Screencast se analiza el movimiento de caída de un objeto, sometido a una fuerza de rozamiento proporcional a la velocidad. Se obtiene la ecuación de la velocidad en función del tiempo, y se interpreta y analiza ...
Acoustic and optical variations during rapid downward motion episodes in the deep north-western Mediterranean Sea

Van Haren, H.; Taupier-Letage, I.; Aguilar, J. A.; Albert, A; Anghinolfi, M.; Anton, G; Anvar, S.; Ardid Ramírez, Miguel; Jesus, A. C. Assis; Astraatmadja, T.; Aubert, J. J.; Bou Cabo, Manuel; Camarena Femenia, Francisco; Larosa, Giuseppina; Martínez Mora, Juan Antonio (Elsevier, 2011-08)

An Acoustic Doppler Current Profiler (ADCP) was moored at the deep-sea site of the ANTARES neutrino telescope near Toulon, France, thus providing a unique opportunity to compare high-resolution acoustic and optical ...
Acoustic Bragg Peak Localization in Proton Therapy Treatment: Simulation Studies

Otero, Jorge; Felis, Iván; Ardid Ramírez, Miguel; Herrero Debón, Alicia; Merchán, José A. (MDPI, 2019-11-30)

[EN] A full chain simulation of the acoustic hadron therapy monitoring for brain tumors is presented in this work. For the study, a proton beam of 100 MeV was considered. In the first stage, Geant4 was used to simulate the ...
Acoustic Localization of Bragg Peak Proton Beams for Hadrontherapy Monitoring

Otero-Vega, Jorge Enrique; Felis-Enguix, Iván; Ardid Ramírez, Miguel; Herrero Debón, Alicia (MDPI AG, 2019-05-01)

[EN] Hadrontherapy makes it possible to deliver high doses of energy to cancerous tumors by using the large energy deposition in the Bragg-peak. However, uncertainties in the patient positioning and/or in the anatomical ...
Acoustic Parametric Signal Generation for Underwater Communication

Campo-Valera, María Mercedes; Ardid Ramírez, Miguel; Tortosa, Dídac D.; Felis-Enguix, Iván; Martínez Mora, Juan Antonio; Llorens Alvarez, Carlos David; Cervantes, Pablo (MDPI AG, 2018-07)

[EN] This paper presents a study of different types of parametric signals with application to underwater acoustic communications. In all the signals, the carrier frequency is 200 kHz, which corresponds to the resonance ...
Acoustic parametric techniques for neutrino telescopes

Ardid Ramírez, Miguel; Tortosa, Dídac D.; Llorens Alvarez, Carlos David; Martínez Mora, Juan Antonio; Saldaña-Coscollar, María (EDP Sciences, 2019)

[EN] In this work, we present a compact transmitter array based on the parametric acoustic sources effect able to reproduce the acoustic signature of an Ultra-High Energy neutrino interaction in water. We also propose to ...
Acoustic position calibration of the KM3NeT neutrino telescope

Larosa, Giuseppina; Ardid Ramírez, Miguel; KM3NeT Consortium (Elsevier, 2013-08-01)

[EN] KM3NeT is a future neutrino telescope with a volume of several cubic kilometres at the bottom of the Mediterranean Sea. It will be composed of at least 300 vertical structures of several hundred metres length, named ...
Acoustic positioning system for KM3NeT

Viola, S.; Ardid Ramírez, Miguel; Bertin, V.; Lahmann, R.; Pellegrino, C.; Riccobene, G.; Saldaña-Coscollar, María; Sapienza, P.; Simeone, F. (Sissa, 2015)

[EN] KM3NeT is the next generation neutrino telescope in the Mediterranean Sea employing the technique of Cherenkov photon detection. The Acoustic Positioning System (APS) is a mandatory sub-system of KM3NeT that must ...