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CERN Accelerating science

CERN Document Server 6 záznamov nájdených  Hľadanie trvalo 0.62 sekúnd. 
1.
Which dark matter for which experiment? / Tytgat, Michel H G (Brussels U.)
In this talk I gave in Moriond, I spoke about the current status of the WIMP as dark matter, about some simple extensions, and about a FIMP as a possible alternative. I focused on their possible experimental signatures and also, to some extent, on their shortcomings..
2019 - 8 p. - Published in : (2019) , pp. 221-228
In : 54th Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 16 - 23 Mar 2019, pp.221-228
2.
Instability of Non-Commutative SYM Theories at Finite Temperature / Landsteiner, Karl (CERN) ; Lopez, Esperanza (CERN) ; Tytgat, Michel H.G. (Brussels U.)
We extend our previous work on the quasi-particle excitations in N=4 non-commutative U(1) Yang-Mills theory at finite temperature. We show that above some critical temperature there is a tachyon in the spectrum of excitations. [...]
hep-th/0104133; CERN-TH-2001-106; ULB-TH-01-09; CERN-TH-2001-106; ULB-TH-2001-09.- Geneva : CERN, 2001 - 22 p. - Published in : JHEP 06 (2001) 055 Access to fulltext document: PDF; Fulltext: PDF; SISSA/IOP Published version, local copy: PDF; External link: Preprint - Please contact the library if you need to access this document.
3.
Sum Rules in the CFL Phase of QCD at finite density / Manuel, Cristina (CERN) ; Tytgat, Michel H.G. (CERN)
We study the asymmetry between the vector current and axial-vector current correlators in the colour-flavour locking (CFL) phase of QCD at finite density. Using Weinberg's sum rules, we compute the decay constant $f_\pi$ of the Goldstone modes and find agreement with previous derivations. [...]
hep-ph/0010274; CERN-TH-2000-308; CERN-TH-2000-308.- Geneva : CERN, 2001 - 13 p. - Published in : Phys. Lett. B 501 (2001) 200-8 Access to fulltext document: PDF; Fulltext: PDF; External link: Preprint - Please contact the library if you need to access this document.
4.
Excitations in Hot Non-Commutative Theories / Landsteiner, Karl (CERN) ; Lopez, Esperanza (CERN) ; Tytgat, Michel H.G. (CERN)
We study the dispersion relation for scalar excitations in supersymmetric, non-commutative theories at finite temperature. In N=4 Yang-Mills the low momenta modes have superluminous group velocity. [...]
hep-th/0006210; CERN-TH-2000-173; CERN-TH-2000-173.- Geneva : CERN, 2000 - 16 p. - Published in : JHEP 09 (2000) 027 Access to fulltext document: PDF; Fulltext: PDF; SISSA/IOP Published version, local copy: PDF; External link: Preprint - Please contact the library if you need to access this document.
5.
Anomalous processes at high temperature and density in a 2-dimensional linear $\sigma$ model / Gelis, Francois (Brookhaven) ; Tytgat, Michel H.G. (CERN)
We use the 2-dimensional $\sigma$ model as a toy model to study the behavior of anomalous amplitudes in the limit where the constituent quark mass is small. Symmetry arguments tell that the $\pi^o\to\gamma$ amplitude should vanish if $m\to 0$, but we show that this conclusion is spoiled by infrared singularities. [...]
hep-ph/0002270; CERN-TH-2000-066; BNL-NT-00-3; CERN-TH-2000-066; BNL-NT-2000-3.- Geneva : CERN, 2001 - 16 p. - Published in : Phys. Rev. D 63 (2001) 016001 APS Published version, local copy: PDF; Access to fulltext document: 0002270 - PDF; 0002270.fig01 - PS.GZ; 0002270.fig02 - PS.GZ; Fulltext: PDF; External link: Preprint - Please contact the library if you need to access this document.
6.
Effective field theory approach to N=4 supersymmetric Yang-Mills at finite temperature / Nieto, Agustin (CERN) ; Tytgat, Michel H.G. (Brussels U.)
We study the perturbation expansion of the free energy of N=4 supersymmetric SU(N) Yang-Mills at finite temperature in powers of 't Hooft's coupling g^2 N in the large N limit. [...]
hep-th/9906147 ; CERN-TH-99-153 ; ULB-TH-99-10 ; CERN-TH-99-153 ; ULB-TH-99-10.
- 1999. - 10 p.
Fulltext - Fulltext - Full text

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