Thesis Collection
Last Deposit
Browsing DFA - Artículos by Title
Now showing items 1-20 of 397
-
13C—methyl formate : observations of a sample of high mass starforming regions including Orion—KL and spectroscopic characterization
Favre, Cecile; Carvajal Zaera, Miguel
; Field, David; Jorgensen, Jes; Bisschop, Suzanne; Brouillet, Nathalie; Despois, Didier; Baudry, Alain; Kleiner, Isabelle; Bergin, Edwin; Crockett, Nathan; Neill, Justin; Margules, Laurent; Huet, Thérèse R.; Demaison, Jean (American Astronomical Society, 2014)
We have surveyed a sample of massive star-forming regions located over a range of distances from the Galactic centre for methyl formate, HCOOCH3, and its isotopologues H13COOCH3 and HCOO13CH3. The observations were carried ... -
7Be- and 8B-reaction dynamics at Coulomb barrier energies
Mazzocco, M.; Marquínez Durán, Gloria; Martel Bravo, Ismael; Sánchez Benítez, Ángel Miguel; Yang, Y. Y. (EDP Sciences:, 2016)
We investigated the reaction dynamics induced by the Radioactive Ion Beams 7Be and 8B on a 208Pb target at energies around the Coulomb barrier. The two measurements are strongly interconnected, being 7Be (Sα = 1.586 ... -
8 B + 208 Pb Elastic Scattering at Coulomb Barrier Energies
La Commara, M.; Mazzocco, M.; Boiano, A.; Boiano, C.; Sánchez Benítez, Ángel Miguel (EDP Sciences, 2017-01)
The scattering process of weakly-bound nuclei at Coulomb barrier energies provides deep insights on the reaction dynamics induced by exotic nuclei. Within this framework, we measured for the first time the scattering ... -
A characterization of the Shapley value for cooperative games with fuzzy characteristic function
(Elsevier, 2020-11)The characteristic function of a cooperative game determines the payment that each coalition can obtain when the players in the coalition cooperate. But there are cooperative situations in which the players have only ... -
A clear signature of the breakup modes for 9Be on a proton target at 5.6 MeV/nucleon
Pakou, A.; Acosta Sánchez, Luis Armando; Martel Bravo, Ismael; Sánchez Benítez, Ángel Miguel; Trzcinska, A. (IOP Publishing, 2020)
The breakup of 9Be is studied via an inelastic scattering experiment on a proton target at 5.6 A MeV in inverse kinematics. Two of the three cluster constituents (α and α) as well as the proton target recoil were recorded ... -
A comparative study of alternative methods for 210Pb determination in environmental samples
Cuesta Beltrán, Estefanía; Barba Lobo, Alejandro; Lozano Bermejo, Rafael Luis; Gutiérrez de San Miguel Herrera, Enrique; Mosqueda Peña, Fernando; Bolívar Raya, Juan Pedro (Elsevier, 2021)
The accurate determination of the levels of 210Pb in environmental samples (e.g. atmospheric aerosols, waters, soils, biota, etc.) is essential due to its multiple applications in geochronology, radiation protection, ... -
A digital quantum simulation of the Agassi model
Pérez Fernández, Pedro; Arias Carrasco, José Miguel; García Ramos, José Enrique; Lamata, Lucas (2022)
A digital quantum simulation of the Agassi model from nuclear physics is proposed and analyzed. The proposal is worked out for the case with four different sites. Numerical simulations and analytical estimations are presented ... -
A general methodology to determine natural radionuclides by well-type HPGe detectors
Barba Lobo, Alejandro; San Miguel, E. G.; Lozano Bermejo, Rafael Luis; Bolívar Raya, Juan Pedro (Elsevier, 2021)
This work aims to determine natural radionuclides (210Pb, 228,226Ra, 234,228Th and 40K) in NORM samples by well-type HPGe detectors because they are of vital importance in studies on environmental samples. For this, a novel ... -
A Microscopic Approach for p + 9Be at Energies Between 1.7 to 15 MeV/nucleon
Pakou, A.; Cappuzzello, F.; Acosta, L. A.; Sánchez Benítez, Ángel Miguel (Jagiellonian University, 2019-09)
Elastic scattering data for p + 9Be, recently obtained in inverse kinematics, together with data from the literature measured in direct kinematics, were previously considered and evaluated via a Coupled Reaction Channels ... -
A Nakanishi-based model illustrating the covariant extension of the pion GPD overlap representation and its ambiguities
Chouika, N.; Mezrag, Cédric; Moutarde, Hervé; Rodríguez Quintero, José (Elsevier, 2018-03)
A systematic approach for the model building of Generalized Parton Distributions (GPDs), based on their overlap representation within the DGLAP kinematic region and a further covariant extension to the ERBL one, is applied ... -
A new efficiency calibration methodology for different atmospheric filter geometries by using coaxial Ge detectors
Barba Lobo, Alejandro; Bolívar Raya, Juan Pedro (Springer Science and Business Media LLC, 2023)
The study of the different pollutants present in atmospheric aerosols such as trace elements and radionuclides is essential to assess the air quality. To analyze the particulate matter (PM), atmospheric filters with different ... -
A new Time-of-flight detector for the R3 B setup
Heil, M.; Sánchez Benítez, Ángel Miguel; Zanetti, L. (Springer, 2022)
We present the design, prototype developments and test results of the new time-of-flight detector (ToFD) which is part of the R3 B experimental setup at GSI and FAIR, Darmstadt, Germany. The ToFD detector is able to detect ... -
A practical and general methodology for efficiency calibration of coaxial Ge detectors
Barba Lobo, Alejandro; Bolívar Raya, Juan Pedro (Elsevier, 2022-05-06)
The correct determination of artificial and natural radionuclides like 152Eu, 137,134Cs, 60,57Co, etc., and 234,228Th, 228,226Ra, 210Pb and 40K, respectively, is essential for many environmental science fields. For this, ... -
A Practical Procedure to Determine Natural Radionuclides in Solid Materials from Mining
There are many regulations related to the radiological control of NORMs (Naturally Occurring Radioactive Materials) in activities such as mining, industry, etc. Consequently, it is necessary to apply fast and accurate ... -
A Review of the Commercial Uses of Sulphate Minerals from the Titanium Dioxide Pigment Industry: The Case of Huelva (Spain)
Gázquez González, Manuel Jesús; Contreras Llanes, Manuel; Pérez Moreno, Silvia María; Guerrero Márquez, José Luis; Casas Ruiz, Melquiades; Bolívar Raya, Juan Pedro (MDPI, 2021)
This study was focused on the historical evolution of the waste management policy carried out by the Spanish industry devoted to titanium dioxide pigments manufacturing for minimising its environmental impact. This challenge ... -
A simple and precise methodology to determine particulate matter mass in atmospheric filters; validation and application cases
Barba Lobo, Alejandro; Gutiérrez Álvarez, Isidoro; Adame Carnero, José Antonio; Bolívar Raya, Juan Pedro (Elsevier, 2022-11-01)
In the past decades, particulate matter (PM) measurements have been used extensively in atmospheric sciences, as it allows studying the evolution of tracers for different atmospheric processes and the effects of atmospheric ... -
Ab initio potential energy surface, electric dipole moment, polarizability tensor, and theoretical rovibrational spectra in the electronic ground state of 14NH3
Yurchenko, Sergei N.; Thiel, Walter; Carvajal Zaera, Miguel; Jensen, Per (Elsevier, 2008-05)
We report the calculation of a six-dimensional CCSD(T)/aug-cc-pVQZ potential energy surface for the electronic ground state of NH+3 together with the corresponding CCSD(T)/aug-cc-pVTZ dipole moment and polarizability ... -
Ab initio spectroscopic characterization of the radical CH3OCH2 at low temperatures
Yazidi, O.; Senent, María Luisa; Gámez, V.; Carvajal Zaera, Miguel; Mogren Al-Mogren, M. (AIP Publishing, 2019)
Spectroscopic and structural properties of methoxymethyl radical (CH3OCH2, RDME) are determined using explicitly correlated ab initio methods. This radical of astrophysical and atmospheric relevance has not been fully ... -
Accessing pion GPDs through the Sullivan process: is it feasible?
Morgado Chávez, José Manuel; Bertone, Valerio; Defurne, Maxime; Soto, Feliciano de; Mezrag, Cédric; Moutarde, Hervé; Rodríguez Quintero, José; Segovia, Jorge (Sociedad Mexicana de Física, 2022)
Describing hadronic structure is one of the most intriguing problems in physics. In this respect, generalized parton distributions (GPDs) constitute an outstanding tool, allowing to draw “three dimensional pictures” of ... -
Accessing the Pion 3D Structure at US and China Electron-Ion Colliders
Morgado Chávez, José Manuel; Bertone, Valerio; Soto Borrero, Feliciano Carlos de; Defurne, Maxime; Mezrag, Cédric; Moutarde, Hervé; Rodríguez Quintero, José; Segovia, Jorge (American Physical Society, 2022-05)
We present the first systematic feasibility study of accessing generalized parton distributions of the pion at an electron-ion collider through deeply virtual Compton scattering. Relying on state-of-the-art models for ...
