Interview in PuntoEdu (PUCP) — August 21, 2026

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PuntoEdu, the institutional magazine of my alma mater, the Pontificia Universidad Católica del Perú, interviewed me about my recent appointment as co-spokesperson of GRAND, together with Zhang Yi (Purple Mountain Observatory, Nanjing). We also talked about TAMBO, the high-energy tau-neutrino observatory proposed for the Colca Valley in Arequipa; about using astrophysical neutrinos to look for physics beyond the Standard Model; and about what my undergraduate and MSc years at PUCP left me with — above all, the habit of doubting my own results first. The headline quote translates as “PUCP gives you the chance to do international-level science while staying more or less at home.”

Photos by Melissa Merino.

Interview by Gabriela Machuca Castillo.

Note: the interview is in Spanish.

Read it here →

GRAND prototypes paper

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Our paper on the GRAND prototype arrays is finally out!

GRAND, the Giant Radio Array for Neutrino Detection, is an envisioned next-generation observatory for the detection of ultra-high-energy cosmic rays, gamma rays, and, especially, neutrinos.

For the past two years, three small-scale GRAND prototype arrays have been running to test the technology and detection principle of the experiment: GRAND@Nançay in France, GRAND@Auger in Argentina, and GRANDProto300 in China.

This paper was led by Beatriz de Errico, from the Federal University of Rio de Janeiro, and Shen Wang, from Purple Mountain Observatory.

Read more at

Towards the Giant Radio Array for Neutrino Detection (GRAND): the GRANDProto300 and GRAND@Auger prototypes
GRAND Collaboration
arXiv:2509.21306