[Le spectromètre GRANIT]
Lʼexistence dʼétats quantiques de la matière dans un champ gravitationnel a été démontrée récemment à lʼInstitut Laue–Langevin (ILL), Grenoble, dans une série dʼexpériences avec des neutrons ultra froids (UCN). Les UCN dans les états quantiques de basse énergie représente une excellente sonde pour la physique fondamentale, en particulier pour contraindre les forces supplémentaires à courte portée, ainsi quʼun outil en optique quantique et en physique des surfaces. Le GRANIT est un projet basé sur dʼun spectromètre de deuxième génération avec une ultra-haute résolution en énergie installé en permanence à ILL. Il a été construit dans le cadre dʼune subvention de lʼANR, et sera opérationnel en 2011.
The existence of quantum states of matter in a gravitational field was demonstrated recently in the Institut Laue–Langevin (ILL), Grenoble, in a series of experiments with ultra cold neutrons (UCN). UCN in low quantum states is an excellent probe for fundamental physics, in particular for constraining extra short-range forces; as well as a tool in quantum optics and surface physics. The GRANIT is a follow-up project based on a second-generation spectrometer with ultra-high energy resolution, permanently installed in ILL. It has been constructed in framework of an ANR grant; and will become operational in 2011.
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Mot clés : Neutrons ultra froids, Mécanique quantique, Gravitation, Spectroscopie à haute résolution, Interactions à courte portée
Stefan Baessler 1, 2 ; Mathieu Beau 3 ; Michael Kreuz 3 ; Vladimir N. Kurlov 4 ; Valery V. Nesvizhevsky 3 ; Guillaume Pignol 5 ; Konstantin V. Protasov 5 ; Francis Vezzu 5 ; Aleksey Yu. Voronin 6
@article{CRPHYS_2011__12_8_707_0, author = {Stefan Baessler and Mathieu Beau and Michael Kreuz and Vladimir N. Kurlov and Valery V. Nesvizhevsky and Guillaume Pignol and Konstantin V. Protasov and Francis Vezzu and Aleksey Yu. Voronin}, title = {The {GRANIT} spectrometer}, journal = {Comptes Rendus. Physique}, pages = {707--728}, publisher = {Elsevier}, volume = {12}, number = {8}, year = {2011}, doi = {10.1016/j.crhy.2011.04.010}, language = {en}, }
TY - JOUR AU - Stefan Baessler AU - Mathieu Beau AU - Michael Kreuz AU - Vladimir N. Kurlov AU - Valery V. Nesvizhevsky AU - Guillaume Pignol AU - Konstantin V. Protasov AU - Francis Vezzu AU - Aleksey Yu. Voronin TI - The GRANIT spectrometer JO - Comptes Rendus. Physique PY - 2011 SP - 707 EP - 728 VL - 12 IS - 8 PB - Elsevier DO - 10.1016/j.crhy.2011.04.010 LA - en ID - CRPHYS_2011__12_8_707_0 ER -
%0 Journal Article %A Stefan Baessler %A Mathieu Beau %A Michael Kreuz %A Vladimir N. Kurlov %A Valery V. Nesvizhevsky %A Guillaume Pignol %A Konstantin V. Protasov %A Francis Vezzu %A Aleksey Yu. Voronin %T The GRANIT spectrometer %J Comptes Rendus. Physique %D 2011 %P 707-728 %V 12 %N 8 %I Elsevier %R 10.1016/j.crhy.2011.04.010 %G en %F CRPHYS_2011__12_8_707_0
Stefan Baessler; Mathieu Beau; Michael Kreuz; Vladimir N. Kurlov; Valery V. Nesvizhevsky; Guillaume Pignol; Konstantin V. Protasov; Francis Vezzu; Aleksey Yu. Voronin. The GRANIT spectrometer. Comptes Rendus. Physique, Volume 12 (2011) no. 8, pp. 707-728. doi : 10.1016/j.crhy.2011.04.010. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2011.04.010/
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