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Author
Cervantes, D.
;
Fioresi, R.
;
Lledo, M.A.
;
Nadal, F.A.
Title
Quadratic deformation of Minkowski space
Type
Journal Article
Year
2012
Publication
Fortschritte der Physik-Progress of Physics
Abbreviated Journal
Fortschritte Phys.-Prog. Phys.
Volume
60
Issue
9-10
Pages
970-976
Keywords
Deformations
;
star product
;
Minkowski spacetime
Abstract
We present a deformation of the Minkowski space as embedded into the conformal space (in the formalism of twistors) based in the quantum versions of the corresponding kinematic groups. We compute explicitly the star product, whose Poisson bracket is quadratic. We show that the star product although defined on the polynomials can be extended differentiably. Finally we compute the Eucliden and Minkowskian real forms of the deformation.
Address
[Lledo, Maria A.; Nadal, Felip A.] Univ Valencia, Dept Fis Teor, Burjassot 46100, Valencia, Spain, Email: daliac@nucleares.unam.mx;
Corporate Author
Thesis
Publisher
Wiley-V C H Verlag Gmbh
Place of Publication
Editor
Language
English
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
0015-8208
ISBN
Medium
Area
Expedition
Conference
Notes
WOS:000308301500003
Approved
no
Is ISI
yes
International Collaboration
yes
Call Number
IFIC @ pastor @
Serial
1150
Permanent link to this record
Author
Illana, A. et al
;
Perez-Vidal, R.M.
Title
Octupole correlations in the N = Z+2=56 110Xe nucleus
Type
Journal Article
Year
2024
Publication
Physics Letters B
Abbreviated Journal
Phys. Lett. B
Volume
848
Issue
Pages
138371 - 7pp
Keywords
Octupole deformations
;
Xe-110
;
N = Z=56 region
;
Fusion evaporation reactions
Abstract
This letter reports on the first observation of an octupole band in the neutron-deficient (N = Z + 2) nucleus Xe-110. The Xe-110 nuclei were produced via the Fe-54(Ni-58,2n) fusion-evaporation reaction. The emitted gamma rays were detected using the jurogam 3 gamma-ray spectrometer, while the fusion-evaporation residues were separated with the MARA separator at the Accelerator Laboratory of the University of Jyv & auml;skyl & auml;, Finland. The experimental observation of the low-lying 3(-) and 5(-) states and inter-band E1 transitions between the ground-state band and the octupole band proves the importance of octupole correlations in this region. These new experimental data combined with theoretical calculations using the symmetry-conserving configuration-mixing method, based on a Gogny energy density functional, have been interpreted as an evidence of enhanced octupole correlations in neutron-deficient xenon isotopes.
Address
[Illana, A.; Auranen, K.; Beliuskina, O.; Delafosse, C.; Eronen, T.; Ge, Z.; Geldhof, S.; Gins, W.; Grahn, T.; Greenlees, P. T.; Joukainen, H.; Julin, R.; Jutila, H.; Kankainen, A.; Leino, M.; Louko, J.; Luoma, M.; Nesterenko, D.; Ojala, J.; Pakarinen, J.; Rahkila, P.; Ruotsalainen, P.; Sandzelius, M.; Saren, J.; Uusitalo, J.; Zimba, G. L.] Univ Jyvaskyla, Dept Phys, Accelerator Lab, POB 35, Jyvaskyla FI-40014, Finland, Email: andres.illana@ucm.es;
Corporate Author
Thesis
Publisher
Elsevier
Place of Publication
Editor
Language
English
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
0370-2693
ISBN
Medium
Area
Expedition
Conference
Notes
WOS:001139401700001
Approved
no
Is ISI
yes
International Collaboration
yes
Call Number
IFIC @ pastor @
Serial
5880
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