Data

NameLay Valera, José Antonio
DepartmentFísica Atómica, Molecular y Nuclear
Knowledge areaFísica Atómica Molecular y Nuclear
Professional categoryProfesor Contratado Doctor
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  Statistics

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    35

  • Visits

    3123

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    2994

  Publications

 

Article
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Two-step description of heavy ion double charge exchange reactions

Bellone, J. I.; Burrello, S.; Colonna, M.; Lay Valera, José Antonio; Lenske, H.; NUMEN Collaboration (Elsevier, 2020-08-10)
Heavy ion double charge exchange reactions are described by sequential meson-exchange, corresponding to a double single ...
Article
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Recent results on heavy-ion induced reactions of interest for neutrinoless double beta decay at INFN-LNS

Cavallaro, Manuela; Acosta, Luis; Agodi, Clementina; Altana, Carmen; Amador-Valenzuela, Paulina; Auerbach, Naftali; Barea, Jose; Lay Valera, José Antonio; Zagatto, Vinicius A.B. (EDP Sciences, 2019-01-01)
The possibility to use a special class of heavy-ion induced direct reactions, such as double charge exchange reactions, ...
Presentation
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New Experimental Campaign of NUMEN Project

Agodi, C.; Cappuzzello, F.; Acosta, L.; Amador-Valenzuela, P.; Auerbach, N.; Barea, J.; Lay Valera, José Antonio; Zagatto, V.A.B. (American Institute of Physics, 2019-01-01)
The NUMEN main goal is the extraction from measured cross-sections of “data-driven” information on Nuclear Matrix Elements ...
Final Degree Project
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Núcleos halo: un estudio semianalítico

Arias Carrasco, José Miguel; Moro Muñoz, Antonio Matías; Lay Valera, José Antonio; Reina Ramírez, Ángel (2018-06-01)
El presente trabajo se centra en el estudio de núcleos exóticos ligeros, en concreto, en algunos núcleos denominados núcleos ...
Article
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Double charge-exchange reactions and the effect of transfer

Lay Valera, José Antonio; Burrello, S.; Bellone, J. I.; Colonna, M.; Lenske, H. (IOP Science, 2018-01-01)
There is a recently renewed interest on the study of single and double charge exchange reactions with heavy ions. We report ...
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Probing beta decay matrix elements through heavy ion charge exchange reactions

Bellone, J. I.; Colonna, M.; Lenske, H.; Lay Valera, José Antonio (IOP Science, 2018-01-01)
To access information on neutrinoless double beta decay (0νββ) nuclear matrix elements, it has been proposed by the NUMEN ...
Article
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Scattering of the Halo Nucleus 11Be on 197Au at Energies around the Coulomb Barrier

Pesudo, V.; Borge, M. J. G.; Moro Muñoz, Antonio Matías; Lay Valera, José Antonio; Nácher, E.; Gómez Camacho, Joaquín José; Tengblad, Olof; Acosta, Luis; Alcorta, Martín; González Álvarez, Marcos Aurelio; Fernández García, Juan Pablo; Wang, Z. M. (American Physical Society, 2017-01-01)
Angular distributions of the elastic, inelastic, and breakup cross sections of the halo nucleus 11Be on197 Au were measured ...
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TFF (v.4.1): A Mathematica Notebook for the Calculation of One- and Two-Neutron Stripping and Pick-Up Nuclear Reactions

Fortunato, Lorenzo; Inci, I.; Lay Valera, José Antonio; Vitturi, Andrea (MDPI, 2017-01-01)
The program TFF calculates stripping single-particle form factors for one-neutron transfer in prior representation with ...
Presentation
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Scattering of halo nuclei on heavy targets at energies around the Coulomb barrier: The case of 11Be on 197Au

Pesudo, Vicente; García Borge, María José; Moro Muñoz, Antonio Matías; Lay Valera, José Antonio; Nácher, E.; Gómez Camacho, Joaquín José; Fernández García, Juan Pablo; O'Malley, Patrick D. (EDP Sciences, 2017-01-01)
This work reports on the scattering of 11Be on 197Au at energies around and below the Coulomb barrier. By experimentally ...
Presentation
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The NUMEN Project @ LNS: Status and Perspectives

Cappuzzello, F.; Agodi, C.; Acosta, L.; Auerbach, N.; Lay Valera, José Antonio; Zagatto, V. A.B. (AIP Publishing, 2017-01-01)
The NUMEN project aims at accessing experimentally driven information on Nuclear Matrix Elements (NME) involved in the ...
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Importance of the single-particle continuum in BCS pairing with a pseudostate basis

Lay Valera, José Antonio; Alonso Alonso, Clara Eugenia; Fortunato, Lorenzo; Vitturi, Andrea (EDP Sciences, 2016-01-01)
In a recent work [arXiv:1510.03185] the use of the Transformed Harmonic Oscillator (THO) basis for the discretization of ...
Article
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Evidence of strong dynamic core excitation in 19C resonant break-up

Lay Valera, José Antonio; Diego Martínez, Raúl de; Crespo, Raquel; Moro Muñoz, Antonio Matías; Arias Carrasco, José Miguel; Johnson, R. C. (American Physical Society, 2016-01-01)
The resonant breakup of 19C on protons measured at RIKEN [Y. Satou et al., Phys. Lett. B 660, 320 (2008)] is analyzed in ...
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Be-7- and B-8-reaction dynamics at Coulomb barrier energies

Lay Valera, José Antonio; Mazzocco, M.; Acosta, Luis; Fernández García, Juan Pablo; Martel, I.; Boiano, A.; Boiano, C.; Manea, C.; Sánchez Benítez, A. M.; Marquínez Durán, G. (EDP Sciences, 2016-01-01)
We investigated the reaction dynamics induced by the Radioactive Ion Beams Be-7 and B-8 on a Pb-208 target at energies ...
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Elastic scattering of O-17+Pb-208 at energies near the Coulomb barrier

Lay Valera, José Antonio; Strano, E.; Mazzocco, M.; Molini, P.; Soramel, F.; Vitturi, Andrea; Boiano, A.; Boiano, C.; Torresi, D.; Manea, C. (EDP Sciences, 2016-01-01)
Within the frame of the commissioning of a new experimental apparatus EXPADES we undertook the measurement of the elastic ...
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Continuum discretised BCS approach for weakly bound nuclei

Alonso Alonso, Clara Eugenia; Fortunato, Lorenzo; Vitturi, Andrea; Lay Valera, José Antonio (IOP Publishing, 2016-01-01)
The Bardeen-Cooper-Schrieffer (BCS) formalism is extended by including the single-particle continuum in order to analyse ...
Article
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Recent developments for the calculation of elastic and non-elastic breakup of weakly-bound nuclei

Moro Muñoz, Antonio Matías; Lei, Jin; Gómez Ramos, Mario; Arias Carrasco, José Miguel; Diego, Raúl de; Gómez Camacho, Joaquín José; Lay Valera, José Antonio (Jagiellonian University Press, 2016-01-01)
In this contribution, we review some recent theoretical advances for the calculation of breakup cross sections in reactions induced by weakly-bound nuclei.
Article
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11Li structural information from inclusive break-up measurements

Fernández García, Juan Pablo; Cubero, M.; Acosta, Luis; Alcorta, Martín; González Álvarez, Marcos Aurelio; Borge, María José G.; Gómez Camacho, Joaquín José; Lay Valera, José Antonio; Martel Bravo, Ismael; Moro Muñoz, Antonio Matías; Rodríguez Gallardo, Manuela; Sánchez Benítez, A. M. (EDP Sciences, 2015-01-01)
Structure information of 11Li halo nucleus has been obtained from the inclusive break-up measurements of the 11Li+208Pb ...
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Simultaneous analysis of the elastic scattering and breakup channel for the reaction 11 Li + 208 Pb at energies near the Coulomb barrier

Fernández García, Juan Pablo; Cubero, M; Acosta, Luis; Alcorta, Martín; González Álvarez, Marcos Aurelio; Borge, María José G; Walden, Patrick L; Gómez Camacho, Joaquín José; Lay Valera, José Antonio; Moro Muñoz, Antonio Matías; Rodríguez Gallardo, Manuela (American Physical Society, 2015-01-01)
We present a detailed analysis of the elastic scattering and breakup channel for the reaction of Li11 on Pb208 at incident ...
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Scattering of light halo nuclei on heavy target at energies around the coulomb barrier

Tengblad, Olof; Borge, María José G.; Cubero, M.; Nácher, E.; Pesudo, V.; Perea, Ángel; Gómez Camacho, Joaquín José; Moro Muñoz, Antonio Matías; Fernández García, Juan Pablo; González Álvarez, Marcos Aurelio; Rodríguez Gallardo, Manuela; Lay Valera, José Antonio; Martel Bravo, Ismael; Acosta, Luis; Sánchez Benítez, A. M.; Marquínez Durán, G.; Walden, Patrick L. (EDP Sciences, 2014-03-20)
We report here on experiments performed at TRIUMF to study the scattering of the light halo nuclei 11Li on lead at energies ...
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Core excitations in the structure and reactions of halo nuclei

Lay Valera, José Antonio; Moro Muñoz, Antonio Matías; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José (EDP Sciences, 2014-03-20)
We analyse the resonant break-up of halo nuclei including possible excitations of the core both in the structure of the ...
Article
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Semi-microscopic folding model for the description of two-body halo nuclei

Lay Valera, José Antonio; Moro Muñoz, Antonio Matías; Arias Carrasco, José Miguel; Kanada-En’yo, Y. (American Physical Society, 2014-01-01)
One-neutron halo nuclei, composed of a weakly bound particle coupled to a core nucleus, are studied within a particle-plus-core ...
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Continuum-discretized coupled-channels calculations with core excitation

Diego Martínez, Raúl de; Arias Carrasco, José Miguel; Lay Valera, José Antonio; Moro Muñoz, Antonio Matías (American Physical Society, 2014-01-01)
The effect of core excitation in the elastic scattering and breakup of a two-body halo nucleus on a stable target nucleus ...
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11Li Breakup on 208Pb at Energies Around the Coulomb Barrier

Fernández García, Juan Pablo; Rodríguez Gallardo, Manuela; González Álvarez, Marcos Aurelio; Mukha, I.; Moro Muñoz, Antonio Matías; Lay Valera, José Antonio; Gómez Camacho, Joaquín José; Cubero, M. (American Physical Society, 2013-04-05)
The inclusive breakup for the 11Li+208Pb reaction at energies around the Coulomb barrier has been measured for the first ...
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DHalo nuclei follow rutherford elastic scattering at energies below the barrier? the case of 11Li

Fernández García, Juan Pablo; Rodríguez Gallardo, Manuela; González Álvarez, Marcos Aurelio; Moro Muñoz, Antonio Matías; Lay Valera, José Antonio; Cubero, M.; Acosta, Luis; Alcorta, Martín (American Physical Society, 2012-12-26)
The first measurement of the elastic scattering of the halo nucleus 11Li and its core 9Li on 208Pb at energies near the ...
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Interplay between valence and core excitation mechanisms in the breakup of halo nuclei

Moro Muñoz, Antonio Matías; Lay Valera, José Antonio (American Physical Review, 2012-12-05)
The phenomenon of core excitation in the breakup of a two-body halo nucleus is investigated. We show that this effect plays ...
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Particle motion in a deformed potential using a transformed oscillator basis

Lay Valera, José Antonio; Moro Muñoz, Antonio Matías; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José (American Physical Society, 2012-01-01)
The quantum description of a particle moving in a deformed potential is investigated. A pseudostate (PS) basis is used to ...
Presentation
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Core excitation effects in the breakup of halo nuclei

Moro Muñoz, Antonio Matías; Diego, Raúl de; Lay Valera, José Antonio; Crespo, R.; Johnson, Ron C.; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José (American Institute of Physics, 2012-01-01)
The role of core excitation in the structure and dynamics of two-body halo nuclei is investigated. We present calculations ...
Presentation
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Core excitation effects in halo nuclei using a transformed oscillator basis

Lay Valera, José Antonio; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José; Moro Muñoz, Antonio Matías (American Institute of Physics, 2012-01-01)
A recent generalization of the Transformed Harmonic Oscillator basis, intended to consider core excitations in the structure ...
Presentation
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Stabilization method in two-body systems with core excitations

Lay Valera, José Antonio; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José; Moro Muñoz, Antonio Matías (American Institute of Physics, 2012-01-01)
The validity of the stabilization method in core+valence systems including the possibility of exciting the core is studied. ...
PhD Thesis
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Descripción de la estructura y reacciones de núcleos exóticos en una base de oscilador armónico transformado

Arias Carrasco, José Miguel; Moro Muñoz, Antonio Matías; Lay Valera, José Antonio (2012-01-01)
La estructura del presente trabajo queda como sigue. En la sección 1.1 se exponen los modelos que se utilizaran para la ...
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Elastic scattering of 9Li on 208Pb at energies around the Coulomb barrier

Cubero, M.; Fernández García, Juan Pablo; Lay Valera, José Antonio; Acosta, Luis; Alcorta, Martín; González Álvarez, Marcos Aurelio; Borge, M. J. G.; Buchmann, L.; Diget, C. A.; Fulton, B.; Gómez Camacho, Joaquín José; Moro Muñoz, Antonio Matías (American Institute of Physics, 2011-01-01)
We have studied the dynamical effects of the halo structure of 11Li on the scattering on heavy targets at energies around ...
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Study of the scattering of halo nuclei around the Coulomb barrier

Acosta, Luis; Cubero, M.; Escrig, D.; Fernández García, Juan Pablo; Lay Valera, José Antonio; Moro Muñoz, Antonio Matías; Rodríguez Gallardo, Manuela; Sánchez Benítez, A. M.; Alcorta, Martín; González Álvarez, Marcos Aurelio; Andrés Martín, María Victoria; Cortés Giraldo, Miguel Antonio; Espino Navas, José Manuel; Gómez Camacho, Joaquín José (American Institute of Physics, 2011-01-01)
During the past ten years the present collaboration has carried out several experiments related with the study of radioactive ...
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Scattering of 9Li on 208Pb at energies around the coulomb barrier

Fernández García, Juan Pablo; Lay Valera, José Antonio; Moro Muñoz, Antonio Matías; González Álvarez, Marcos Aurelio; Gómez Camacho, Joaquín José; Borge, María José G; Martel Bravo, Ismael; Fernández Martínez, Begoña (EDP Sciences, 2011-01-01)
In order to study the dynamics of 11Li and 9Li beams in a strong electric field at energies around the Coulomb barrier, we ...
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Exploring continuum structures with a pseudo-state basis

Lay Valera, José Antonio; Moro Muñoz, Antonio Matías; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José (The American Physical Society, 2010-01-01)
The ability of a recently developed square-integrable discrete basis to represent the properties of the continuum of a ...
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Dynamic studies of 11Li and its core 9Li on 208Pb near the Coulomb barrier

Cubero, M; Borge, M. J. G.; Acosta, Luis; Alcorta, Martín; González Álvarez, Marcos Aurelio; Diget, C.; Galaviz, D.; Fernández García, Juan Pablo; Gómez Camacho, Joaquín José; Lay Valera, José Antonio; Madurga, Miguel; Moro Muñoz, Antonio Matías; Mukha, I. (American Institute of Physics, 2010-01-01)
We measured the scattering of the halo nucleus 11Li and its core 9Li on the lead target at TRIUMF at energies below and around to the Coulomb barrier. We report here on our preliminary analysis of the inclusive breakup reaction.