• Implementation of patient dosimetry in the clinical practice after targeted radiotherapy using [177Lu-[DOTATO,Tyr3]-octreotate 

      Santoro, Lore; Mora Ramírez, Erick; Trauchessec, Dorian; Chouaf, Soufiane; Eustache, Pierre; Pouget, Jean-Pierre; Kotzki, Pierre-Olivier; Bardiès, Manuel; Deshayes, Emmanuel (2018-11-29)
      Background: This study’s aim was to develop our dosimetric methodology using a commercial workstation for the routine evaluation of the organs at risk during peptide receptor radionuclide therapy (PRRT) with 177Lu. Methods: ...
    • Improvement of early detection of breast cancer through collaborative multi-country efforts: Medical physics component 

      Mora Rodríguez, Patricia; Faulkner, Keith; Mahmoud, Ahmed M.; Gershan, Vesna; Kausik, Aruna; Zdesar, Urban; Brandan, María Ester; Kurt, Serap; Davidović, Jasna; Salama, Dina H; Aribal, Erkin; Odio Salazar, Clara; Chaturvedi, Arvind K.; Sabih, Zahida; Vujnović, Saša; Paez, Diana; Delis, Harry (2018)
      Purpose: The International Atomic Energy Agency (IAEA) through a Coordinated Research Project on “Enhancing Capacity for Early Detection and Diagnosis of Breast Cancer through Imaging”, brought together a group of mammography ...
    • Informe Final: Articulación de un sistema de identificación de locutor con fines forenses 

      Ortega Rodríguez, Manuel (2016-02-29)
      La investigación tiene que ver con la identificación automatizada de locutor (Voice ID) con fines forenses (lo cual convierte a este proyecto en un trabajo de fuerte aplicación en temas de sociedad). El objetivo general ...
    • Interaction of a quantum field with a rotating heat bath 

      Alicki, Robert; Jenkins Villalobos, Alejandro (2018-08-01)
      The linear coupling of a rotating heat bath to a quantum field is studied in the framework of the Markovian master equation for the field's non-unitary time evolution. The bath's rotation induces population inversion for ...
    • Irreversibility in an ideal fluid 

      Jenkins Villalobos, Alejandro (2014-10)
      When a real fluid is expelled quickly from a tube, it forms a jet separated from the surrounding fluid by a thin, turbulent layer. On the other hand, when the same fluid is sucked into the tube, it comes in from all ...
    • Irreversibility of mechanical and hydrodynamic instabilities 

      Díaz Marín, Carlos D.; Jenkins Villalobos, Alejandro (2017-12-01)
      The literature on dynamical systems has, for the most part, considered self-oscillators (i.e., systems capable of generating and maintaining a periodic motion at the expense of an external energy source with no corresponding ...
    • Lamellar fluctuations melt ferroelectricity 

      Guzmán Verri, Gian Giacomo; Liang, Charles H.; Littlewood, Peter B. (2023)
      We consider a standard Ginzburg-Landau model of a ferroelectric whose electrical polarization is coupled to gradients of elastic strain [1–4]. At the harmonic level, such flexoelectric interaction is known to hybridize ...
    • Landau theory and giant room-temperature barocaloric effect 

      Corrales Salazar, A.; Brierley, Richard T.; Littlewood, Peter B.; Guzmán Verri, Gian Giacomo (2017-10-17)
      The structural phase transitions of MF3 (M = Al, Cr, V, Fe, Ti, Sc) metal trifluorides are studied within a simple Landau theory consisting of tilts of rigid MF6 octahedra associated with soft antiferrodistortive optic ...
    • Large isotropic negative thermal expansion above a structural quantum phase transition 

      Handunkanda, Sahan U.; Curry, Erin B.; Voronov, Vladimir; Said, Ayman H.; Guzmán Verri, Gian Giacomo; Brierley, Richard T.; Littlewood, Peter B.; Hancock, Jason N. (2015-10-01)
      Perovskite structured materials contain myriad tunable ordered phases of electronic and magnetic origin with proven technological importance and strong promise for a variety of energy solutions. An always-contributing ...
    • Leaking elastic capacitor as model for active matter 

      Alicki, Robert; Gelbwaser Klimovsky, David; Jenkins Villalobos, Alejandro (2021-05-24)
      We introduce the “leaking elastic capacitor” (LEC) model, a nonconservative dynamical system that combines simple electrical and mechanical degrees of freedom. We show that an LEC connected to an external voltage source ...
    • Modelado del espacio-tiempo en el interior de una estrella de neutrones en rotación con un cuadrupolo agregado de forma perturbativa 

      Morales Montenegro, Julio César (2021-11-07)
      The potentials and multipolar parameters for a neutron star internal space-time model are calculated in a perturbative series using the angular velocity as perturbation parameter. Twelve equations of state are considered, ...
    • Modelling SPECT auto-contouring acquisitions for 177Lu & 131I molecular radiotherapy using new developments in Geant4/GATE 

      Kayal, Gunjan; Chauvin, Maxime; Mora Ramírez, Erick; Clayton, Naomi; Vergara Gil, Alex; Tran Gia, Johannes; Lassmann, Michael; Calvert, Nicholas; Tipping, Jill; Struelens, Lara; Bardiès, Manuel (2022)
      Purpose Monte Carlo modelling of SPECT imaging in Molecular Radiotherapy can improve activity quantification. Until now, SPECT modelling with GATE only considered circular orbit (CO) acquisitions. This cannot reproduce ...
    • Monte Carlo dosimetry of a realistic multicellular model of follicular lymphoma in a context of radioimmunotherapy 

      Bordes, Julien; Incerti, Sébastien; Mora Ramírez, Erick; Tranel, Jonathan; Rossi, Cédric; Bezombes, Christine; Bordenave, Julie; Bardiès, Manuel; Brown, Richard; Bordage, Marie Claude (2020)
      Purpose Small-scale dosimetry studies generally consider an artificial environment where the tumors are spherical and the radionuclides are homogeneously biodistributed. However, tumor shapes are irregular and radiopharmaceutical ...
    • Negative Thermal Expansion in Open Perovskites near the Precipice of Structural Stability 

      Occhialini, Connor A.; Guzmán Verri, Gian Giacomo; Handunkanda, Sahan U.; Hancock, Jason N. (2018)
      Negative thermal expansion (NTE) describes the anomalous propensity of materials to shrink when heated. Since its discovery, the NTE effect has been found in a wide variety of materials with an array of magnetic, electronic ...
    • Negative thermal expansion near two structural quantum phase transitions Connor 

      Guzmán Verri, Gian Giacomo; Hancock, Jason N. (2017-12-18)
      Recent experimental work has revealed that the unusually strong, isotropic structural negative thermal expansion in cubic perovskite ionic insulator ScF3 occurs in excited states above a ground state tuned very near a ...
    • Observed Changes (1970-1999) in Extreme Hydroclimatic Events in Central America 

      Hidalgo León, Hugo G.; Alfaro Martínez, Eric J. (2018-04-20)
      Previous studies have shown that most of Central America has been experiencing warming trends during the last 30-50 years, while precipitation annual totals have not changed much. Warming alone can exacerbate the effects ...
    • OpenDose: Open access resources for nuclear medicine dosimetry 

      Chauvin, Maxime; Borys, Damian; Botta, Francesca; Bzowski, Pawel; Dabin, Jérémie; Denis Bacelar, Ana M.; Desbrée, Aurélie; Falzone, Nadia; Lee, Boon Quan; Mariani, Andrea; Malaroda, Alessandra; Mathieu, Gilles; McKay, Erin; Mora Ramírez, Erick; Robinson, Andrew P.; Sarrut, David; Struelens, Lara; Vergara Gil, Alex; Bardiès, Manuel (2020)
      Radiopharmaceutical dosimetry depends on the localization in space and time of radioactive sources and requires the estimation of the amount of energy emitted by the sources deposited within targets. In particular, when ...
    • Optical component 

      Padilla Víquez, Gerardo José (2010-02-15)
      El invento trata de un componente óptico, que comprende un primer reflector esférico y un segundo reflector esférico, el cual está colocado para reflejar un rayo de luz varias veces entre el primer reflector y el segundo ...
    • Ozonesonde Quality Assurance: The JOSIE–SHADOZ (2017) Experience 

      Thompson, Anne M.; Smit, Herman G. J.; Witte, Jacquelyn C.; Stauffer, Ryan M.; Johnson, Bryan J.; Morris, Gary; von der Gathen, Peter; Van Malderen, Roeland; Davies, Jonathan; Piters, Ankie; Allaart, Marc; Posny, Françoise; Kivi, Rigel; Cullis, Patrick; Hoang Anh, Nguyen Thi; Corrales, Ernesto; Machinini, Tshidi; da Silva, Francisco R.; Paiman, George; Thiong’o, Kennedy; Zainal, Zamuna; Brothers, George B.; Wolff, Katherine R.; Nakano, Tatsumi; Stübi, Rene; Romanens, Gonzague; Coetzee, Gert J. R.; Díaz Díaz, Jorge Andrés; Mitro, Sukarni; Mohamad, Maznorizan; Ogino, Shin-Ya (2019)
      The ozonesonde is a small balloon-borne instrument that is attached to a standard radiosonde to measure profiles of ozone from the surface to 35 km with ∼100-m vertical resolution. Ozonesonde data constitute a mainstay of ...
    • Phototransport Properties of a-SiC:H Alloys 

      Balberg, I.; Nery, Guillermo; Ramírez Porras, Arturo; Resto, O.; Weisz, S. Z.; Lubianiker, Y. (1995)
      We report a study of the mobility-lifetime products of the two charge carriers in a-SiC:H alloys. The measurements were carried out as a function of the carbon concentration and the temperature. An analysis, relying on the ...