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N1 – SUSY Phenomenology – From the Early Universe to the LHC Era

Project Leaders

Jörn Kersten (e-mail | group homepage)


If supersymmetry exists at low energy, it affects not only experiments at the LHC but also searches for rare processes, astroparticle physics, and cosmology. The goal of the project is to combine information from all these sources in order to learn as much as possible about processes in the early universe and about physics at very high energies that are inaccessible to colliders. Examples include the impact of relatively late decaying particles on big bang nucleosynthesis, supersymmetry breaking, the origin of the observed flavor structures, or grand unification.

Former members

Jasper Hasenkamp

Jan Heisig

Miha Nemevšek

Boris Panes

Liliana Velasco-Sevilla


Get these publications as bibtex-file

"Gravitino LSP and leptogenesis after the first LHC results"
Heisig, Jan
JCAP 1404, 023 (2014)
doi: 10.1088/1475-7516/2014/04/023
eprint: 1310.6352 [hep-ph]

"A survey for low stau yields in the MSSM"
Heisig, Jan and Kersten, Jörn and Panes, Boris and Robens, Tania
JHEP 04, 053 (2014)
doi: 10.1007/JHEP04(2014)053
eprint: 1310.2825 [hep-ph]

"A new life for sterile neutrinos: resolving inconsistencies using hot dark matter"
Hamann, Jan and Hasenkamp, Jasper
JCAP 1310, 044 (2013)
doi: 10.1088/1475-7516/2013/10/044
eprint: 1308.3255 [astro-ph.CO]

"NMSSM with Gravitino Dark Matter to be tested at LHC"
Hasenkamp, Jasper and Winkler, Martin Wolfgang
Nucl. Phys. B877, 419-440 (2013)
doi: 10.1016/j.nuclphysb.2013.10.017
eprint: 1308.2678 [hep-ph]

"Dark radiation from particle decay: cosmological constraints and opportunities"
Hasenkamp, Jasper and Kersten, Jörn
JCAP 1308, 024 (2013)
doi: 10.1088/1475-7516/2013/08/024
eprint: 1212.4160 [hep-ph]

"Long-lived charged sleptons at the ILC/CLIC"
Heisig, Jan
Proceedings of the Helmholtz Alliance Linear Collider Forum (2013)
doi: 10.3204/DESY_12-123H
eprint: 1211.2195 [hep-ph]

"Flavor constraints on scenarios with two or three heavy squark generations"
Kersten, Jörn and Velasco-Sevilla, Liliana
Eur. Phys. J. C73, 2405 (2013)
doi: 10.1140/epjc/s10052-013-2405-y
eprint: 1207.3016 [hep-ph]

"Coherence of Supernova Neutrinos"
Kersten, Jörn
Proceedings of NOW 2012, Nucl. Phys. Proc. Suppl. (2013)
[ link ]
doi: 10.1016/j.nuclphysbps.2013.04.123

"Long-lived staus at the LHC"
Heisig, Jan
Proceedings of the XLVIIth Rencontres de Moriond (2012)
eprint: 1207.3058 [hep-ph]

"Long-lived staus from strong production in a simplified model approach"
Heisig, Jan and Kersten, Jörn
Phys. Rev. D86, 055020 (2012)
doi: 10.1103/PhysRevD.86.055020
eprint: 1203.1581 [hep-ph]

"Supersymmetric Musings on the Predictivity of Family Symmetries"
Kadota, Kenji and Kersten, Jörn and Velasco-Sevilla, Liliana
Proceedings of FLASY2011 (2012)
eprint: 1201.5525 [hep-ph]

"Dark radiation from the axino solution of the gravitino problem"
Hasenkamp, Jasper
Phys. Lett. B707, 121-128 (2012)
doi: 10.1016/j.physletb.2011.12.017
eprint: 1107.4319 [hep-ph]

"Flavour Issues for String-Motivated Heavy Scalar Spectra with a low Gluino Mass: the G2-MSSM Case"
Kadota, Kenji and Kane, Gordon and Kersten, Jörn and Velasco-Sevilla, Liliana
Eur. Phys. J. C72, 2004 (2012)
doi: 10.1140/epjc/s10052-012-2004-3
eprint: 1107.3105 [hep-ph]

"Production of long-lived staus in the Drell-Yan process"
Heisig, Jan and Kersten, Jörn
Phys. Rev. D84, 115009 (2011)
doi: 10.1103/PhysRevD.84.115009
eprint: 1106.0764 [hep-ph]

"Testing Superstring Theories with Gravitational Waves"
Durrer, Ruth and Hasenkamp, Jasper
Phys. Rev. D84, 064027 (2011)
doi: 10.1103/PhysRevD.84.064027
eprint: 1105.5283 [gr-qc]

"Dark and visible matter with broken R-parity and the axion multiplet"
Hasenkamp, Jasper and Kersten, Jörn
Phys. Lett. B701, 660-666 (2011)
doi: 10.1016/j.physletb.2011.06.037
eprint: 1103.6193 [hep-ph]

"Reconciling Supersymmetry and Thermal Leptogenesis by Entropy Production"
Kersten, Jörn
Proceedings of the XLVIth Rencontres de Moriond (2011)
[ link ]

"Leptogenesis, Gravitino Dark Matter and Entropy Production"
Hasenkamp, Jasper and Kersten, Jörn
Phys. Rev. D82, 115029 (2010)
doi: 10.1103/PhysRevD.82.115029
eprint: 1008.1740 [hep-ph]

"Implications of Flavor Dynamics for Fermion Triplet Leptogenesis"
Aristizabal Sierra, D. and Kamenik, Jernej F. and Nemevšek, Miha
JHEP 1010, 036 (2010)
doi: 10.1007/JHEP10(2010)036
eprint: 1007.1907 [hep-ph]

"Supersymmetric Musings on the Predictivity of Family Symmetries"
Kadota, Kenji and Kersten, Jörn and Velasco-Sevilla, Liliana
Phys. Rev. D82, 085022 (2010)
doi: 10.1103/PhysRevD.82.085022
eprint: 1007.1532 [hep-ph]

"Left-Right Symmetry at LHC"
Maiezza, Alessio and Nemevšek, Miha and Nesti, Fabrizio and Senjanović, Goran
Phys. Rev. D82, 055022 (2010)
doi: 10.1103/PhysRevD.82.055022
eprint: 1005.5160 [hep-ph]

"Probing leptonic CP phases in LFV processes"
Bajc, Borut and Nemevšek, Miha and Senjanović, Goran
Phys. Lett. B684, 231-235 (2010)
doi: 10.1016/j.physletb.2010.01.025
eprint: 0911.1323 [hep-ph]

"Lepton flavor violation in type I + III seesaw"
Kamenik, Jernej F. and Nemevšek, Miha
JHEP 0911, 023 (2009)
doi: 10.1088/1126-6708/2009/11/023
eprint: 0908.3451 [hep-ph]

"Gravitino Dark Matter and general neutralino NLSP"
Covi, Laura and Hasenkamp, Jasper and Pokorski, Stefan and Roberts, Jonathan
JHEP 0911, 003 (2009)
doi: 10.1088/1126-6708/2009/11/003
eprint: 0908.3399 [hep-ph]

"Gravitino Dark Matter in Gravity Mediation"
Kersten, Jörn and Lebedev, Oleg
Phys. Lett. B678, 481-484 (2009)
doi: 10.1016/j.physletb.2009.06.062
eprint: 0905.3711 [hep-ph]

"Constraints on Flavor Symmetries from Flavor Violation"
Kersten, Jörn
Proceedings of SUSY09, AIP Conf. Proc. (2009)
[ link ]


PhD thesis: "The Phenomenology of SuperWIMP Dark Matter Scenarios with Long-lived Sleptons"
Heisig, Jan
Universität Hamburg (2013)
[ link ]

PhD thesis: "Towards a Consistent Cosmology with Supersymmetry and Leptogenesis"
Hasenkamp, Jasper
Universität Hamburg (2012)
[ link ]

Master thesis: "Gravitino LSP scenario at the LHC"
Heisig, Jan
Universität Hamburg (2010)
doi: 10.3204/DESY-THESIS-2010-026
[ link ]

Impressum  | last modified 31 Jan 2017