José W. F. Valle

José W. F. Valle (born June 2, 1953) is a Spanish-Brazilian physicist.

Biography

Born in Brazil, he earned a PhD in Theoretical Physics from Syracuse University (New York, 1982). In January 1983 he joined the Rutherford Appleton Laboratory, Oxfordshire, UK, as a Research Associate, where he got married with a Spanish geneticist. In 1986 he moved to Spain, joining as a visiting Professor at the Autonomous University of Barcelona, and subsequently IFIC (Instituto de Física Corpuscular) [1] at the University of Valencia in 1987. He is a Full Professor at the Spanish Council for Scientific Research CSIC. He is known for his numerous contributions to theoretical astroparticle and high energy physics, especially neutrino physics.

Valle has contributed significantly to the modern theory of neutrino mass. In a groundbreaking work with Joseph Schechter [2] he has provided the first exhaustive discussion of the various mechanisms of neutrino mass generation (including the variants of the seesaw mechanism). The same authors also formulated the Schechter-Valle theorem [3] demonstrating that an observation of neutrinoless double beta decay will necessarily imply neutrinos to be Majorana fermions and vice versa. He also contributed to the correct interpretation of the oscillations of solar and atmospheric neutrinos[4] which led to the physics Nobel Prize 2015 awarded to Arthur B. McDonald and Takaaki Kajita. The discovery of neutrino masses and oscillations can be considered as the only firm indication of the incompleteness of the Standard Model of particle physics with important consequences also for astrophysics and cosmology.

Honors

Press

Publications

Authored a particle physics textbook Neutrinos in High Energy and Astroparticle Physics which has been reviewed by the CERN Courier

Here is his publication profile from the INSPIRE-HEP High Energy Physics database.

References
  1. "INSPIRE".
  2. Schechter, J.; J. W. F. Valle (1980-06-30). "Neutrino masses in SU(2) ⊗ U(1) theories". Physical Review D. 22 (9): 2227. Bibcode:1980PhRvD..22.2227S. doi:10.1103/PhysRevD.22.2227.
  3. Schechter, J.; J. W. F. Valle (1981-12-14). "Neutrinoless double-beta decay in SU(2) x U(1) theories". Physical Review D. 25 (11): 2951. Bibcode:1982PhRvD..25.2951S. doi:10.1103/PhysRevD.25.2951. hdl:10550/47205.
  4. Maltoni, M.; et al. (2004). "Status of global fits to neutrino oscillations". New Journal of Physics. 6 (1): 122. arXiv:hep-ph/0405172. Bibcode:2004NJPh....6..122M. doi:10.1088/1367-2630/6/1/122.
  5. "Universitat de Valencia News".

See also
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