8 Papers
18 Citations
A. Lopez is an academic researcher from University of Santiago de Compostela. The author has contributed to research in topics: Photon & Bremsstrahlung. The author has an hindex of 4, co-authored 8 publications.
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Papers
Proposal to study the use of a crystal as a "quarter-wave plate" to produce high energy circularly polarized photons
A. Apyan,P. Sona,P Kasper,S Trentalange,K Piotrzkowski,Yu Konotets,Cristina Biino,J. Saborido,V. M. Strakhovenko,K.A. Ispirian,S. Luitz,J P Friedel Sellschop,P. Cenci,S. Ballestrero,Tjeerd Ketel,A. Gianoli,Simon Henry Connell,Zabulon Vilakazi,A Perego,Benedetto Gorini,R.O. Avakian,A. Lopez,U. Mikkelsen,E. Menichetti +23 more
- 13 Jul 1998
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Na59 Experiment at CERN
G. Unel,A. Apyan,R.O. Avakian,S. Ballestrero,Cristina Biino,Cristina Biino,P. Cenci,Simon Henry Connell,S. Eichblatt,T. Fonseca,A. Freund,A. Gianoli,R. Groess,Benedetto Gorini,K.A. Ispirian,Tjeerd Ketel,A. Lopez,S. Luitz,U. Mikkelsen,E. Menichetti,A Perego,B. van Rens,J.P.F. Sellschop,P. Sona,V. Strakhovenko,E. Uggerhøj,M. Velasco,Zabulon Vilakazi,O. Wessely +28 more
TL;DR: The Na59 Experiment at CERN-SPS aims to obtain circularly polarized high energy photons (100GeV) starting from an unpolarized electron beam by using crystals for high energy photon polarimetry.
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•Posted Content
Coherent Pair Production by Photons in the 20-170 GeV Energy Range Incident on Crystals and Birefringence
A. Apyan,R.O. Avakian,B. Badelek,S. Ballestrero,Cristina Biino,Inanc Birol,P. Cenci,Simon Henry Connell,S. Eichblatt,T. Fonseca,Andreas K. Freund,Benedetto Gorini,R. Groess,K.A. Ispirian,Tjeerd Ketel,Yu.V. Kononets,A. Lopez,A. Mangiarotti,B. van Rens,J.P.F. Sellschop,M. Shieh,P. Sona,V. Strakhovenko,E. Uggerhøj,Ulrik I. Uggerhøj,Gokhan Unel,M. Velasco,Zabulon Vilakazi,O. Wessely +28 more
TL;DR: In this paper, the cross section for coherent pair production by linearly polarised photons in the 20-170 GeV energy range was measured for photon aligned incidence on ultra-high quality diamond and germanium crystals.
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Pla d'Acció Tutorial en la "Escuela Universitaria de Informática de la Universidad Politécnica de Madrid"
Fernando Arroyo Montoro,A. Lopez,M. Carmen Luengo Velasco,M. Angeles Mahillo García,Pilar Manzano García +4 more
- 30 Jan 2012
TL;DR: In this article, the authors present a model d'accio tutorial desenvolupat sobre estrategies d'acompanyament a l’estudiant basades en “coaching” i intel•ligencia emocional, i un model experimental de tutories per parells de tutors en els que es celebren sessions conjuntes per tractar problemes comuns i compartir experiencies dels tutelats.
•Posted Content
Linear to Circular Polarisation Conversion using Birefringent Properties of Aligned Crystals for Multi-GeV Photons
A. Apyan,R.O. Avakian,B. Badelek,S. Ballestrero,Cristina Biino,Inanc Birol,P. Cenci,Simon Henry Connell,S. Eichblatt,T. Fonseca,Andreas K. Freund,Benedetto Gorini,R. Groess,K.A. Ispirian,Tjeerd Ketel,Yu.V. Kononets,A. Lopez,A. Mangiarotti,B. van Rens,J.P.F. Sellschop,M. Shieh,P. Sona,V. Strakhovenko,E. Uggerhøj,Ulrik I. Uggerhøj,Gokhan Unel,M. Velasco,Zabulon Vilakazi,O. Wessely +28 more
TL;DR: The first experimental results on the use of a thick aligned Si crystal acting as a quarter wave plate to induce a degree of circular polarisation in a high energy linearly polarised photon beam were presented in this paper.
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