Publications
Papers¶
2025¶
Top-quark spin correlations as a tool to distinguish
pseudoscalar A → ZH and scalar H → ZA signatures in
Ztt final states at the LHC
F. Arco (Hamburg, DESY),
T. Biekötter (Madrid, IFT),
P. Stylianou (Hamburg, DESY),
G. Weiglein (Hamburg U. and DESY)
arXiv:2502.03443 [hep-ph]
2024¶
ALP-ine quests at the LHC: hunting axion-like particles via peaks
and dips in tt production
A. Anuar (CERN),
A. Biekötter (Mainz U. and PRISMA),
T. Biekötter (Karlsruhe, KIT),
A. Grohsjean (Hamburg U.),
S. Heinemeyer (Madrid, IFT),
L. Jeppe (DESY Hamburg),
C. Schwanenberger (Hamburg U. and DESY),
G. Weiglein (Hamburg U. and DESY)
JHEP 12 (2024) 197,
arXiv:2404.19014 [hep-ph]
Impact of New Experimental Data on the C2HDM:
the Strong Interdependence between LHC Higgs Data and the Electron EDM
T. Biekötter (Karlsruhe, KIT),
D. Fontes (Brookhaven),
M. M. Mühlleitner (Karslruhe, KIT),
J. C. Romão (Lisbon, IST & CFTP),
R. Santos (Lisbon, CFTC),
J. P. Silva (Lisbon, IST & CFTP)
JHEP 05 (2024) 127,
arXiv:2403.02425 [hep-ph]
2023¶
First shot of the smoking gun: probing the electroweak phase transition in the 2HDM with novel
searches for A → ZH in ℓℓtt and ννbb final states
T. Biekötter (Karlsruhe, KIT),
S. Heinemeyer (Madrid, IFT & Madrid),
J. M. No (Madrid, IFT & Madrid, Autonoma U.),
M. O. Olea (Paris, Ecole Normale Supérieure),
K. Radchenko (Hamburg, DESY),
G. Weiglein (Hamburg, DESY & Hamburg, II Inst. of Theo. Phys.)
JHEP 01 (2024) 107,
arXiv:2309.17431 [hep-ph]
The 95.4 GeV di-photon excess at ATLAS and CMS
T. Biekötter (Karlsruhe, KIT),
S. Heinemeyer (Madrid, IFT & Madrid, Autonoma U.),
G. Weiglein (Hamburg, DESY & Hamburg, II Inst. of Theo. Phys.)
Phys.Rev.D 109 (2024) 3, 035005,
arXiv:2306.03889 [hep-ph]
2HDM interpretations of the CMS diphoton excess at 95 GeV
D. Azevedo (Karlsruhe, KIT),
T. Biekötter (Karlsruhe, KIT),
P.M. Ferreira (Lisbon U. & Lisbon ISEL)
JHEP 11 (2023) 017,
arXiv:2305.19716 [hep-ph]
The CMS di-photon excess at 95 GeV in view of the LHC Run 2 results
T. Biekötter (Karlsruhe, KIT),
S. Heinemeyer (Madrid, IFT & Madrid, Autonoma U.),
G. Weiglein (Hamburg, DESY & Hamburg, II Inst. of Theo. Phys.)
Phys.Lett.B 833 (2023) 138217,
arXiv:2303.12018 [hep-ph]
2022¶
HiggsTools: BSM scalar phenomenology with new versions
of HiggsBounds and HiggsSignals
H. Bahl (Chicago U.)
T. Biekötter (Karlsruhe, KIT),
S. Heinemeyer (Madrid, IFT & Madrid, Autonoma U.),
C. Li (Hamburg, DESY),
S. Paasch (Hamburg, DESY),
G. Weiglein (Hamburg, DESY & Hamburg, II Inst. of Theo. Phys.),
J. Wittbrodt (Lund U.)
Comput.Phys.Commun. 291 (2023) 108803,
arXiv:2210.09332 [hep-ph]
The trap in the early Universe: impact on the interplay between
gravitational waves and LHC physics in the 2HDM
T. Biekötter (Hamburg, DESY),
S. Heinemeyer (Madrid, IFT & Madrid, Autonoma U. & Santander, Cantabria Inst. of Phys.),
J. M. No (Madrid, IFT & Madrid, Autonoma U.),
M. O. Olea (Hamburg, DESY),
G. Weiglein (Hamburg, DESY & Hamburg, II Inst. of Theo. Phys.)
JCAP 03 (2023) 031,
arXiv:2208.14466 [hep-ph]
Higgs-boson visible and invisible constraints on hidden sectors
T. Biekötter (Hamburg, DESY),
M. Pierre (Hamburg, DESY)
Eur.Phys.J.C 82 (2022) 11, 1026,
arXiv:2208.05505 [hep-ph]
Direct detection of pseudo-Nambu-Goldstone dark matter in a two Higgs doublet
plus singlet extension of the SM
T. Biekötter (Hamburg, DESY),
P. Gabriel (Lisboa, CFTC),
M. O. Olea (Hamburg, DESY),
R. Santos (Lisboa, CFTC, ISEL)
JHEP 10 (2022) 126,
arXiv:2207.04973 [hep-ph]
Excesses in the low-mass Higgs-boson search and the W-boson mass measurement
T. Biekötter (Hamburg, DESY),
S. Heinemeyer (Madrid, IFT),
G. Weiglein (Hamburg, DESY & Hamburg, II Inst. of Theo. Phys.)
Eur.Phys.J.C 83 (2023) 5, 450,
arXiv:2204.05975 [hep-ph]
Mounting evidence for a 95 GeV Higgs boson
T. Biekötter (Hamburg, DESY),
S. Heinemeyer (Madrid, IFT),
G. Weiglein (Hamburg, DESY & Hamburg, II Inst. of Theo. Phys.)
JHEP 08 (2022) 201,
arXiv:2203.13180 [hep-ph]
2021¶
Vacuum (meta-)stability in the μνSSM
T. Biekötter (Hamburg, DESY),
S. Heinemeyer (Madrid, IFT),
G. Weiglein (Hamburg, DESY & Hamburg, II Inst. of Theo. Phys.)
Eur.Phys.J.C 82 (2022) 4, 301,
arXiv:2112.12132 [hep-ph]
Possible indications for new Higgs bosons in the reach of the LHC:
N2HDM and NMSSM interpretations
T. Biekötter (Hamburg, DESY),
A. Grohsjean (Hamburg, DESY)
S. Heinemeyer (Madrid, IFT),
C. Schwanenberger (Hamburg, DESY),
G. Weiglein (Hamburg, DESY & Hamburg, II Inst. of Theo. Phys.)
Eur.Phys.J.C 82 (2022) 2, 178,
arXiv:2109.01128 [hep-ph]
Reconciling Higgs physics and pseudo-Nambu-Goldstone dark matter in
the S2HDM using a genetic algorithm
T. Biekötter (Hamburg, DESY),
M. O. Olea (Hamburg, DESY)
JHEP 10 (2021) 215,
arXiv:2108.10864 [hep-ph]
Fate of the electroweak symmetry in the early Universe:
Non-restoration and trapped vacua in the N2HDM
T. Biekötter (Hamburg, DESY),
S. Heinemeyer (Madrid, IFT & Madrid, Autonoma U. & Santander, Cantabria Inst. of Phys.),
J. M. No (Madrid, IFT & Madrid, Autonoma U.),
M. O. Olea (Hamburg, DESY),
G. Weiglein (Hamburg, DESY & Hamburg, II Inst. of Theo. Phys.)
JCAP 06 (2021) 018,
arXiv:2103.12707 [hep-ph]
2020¶
munuSSM: A python package for the μ-from-ν
Supersymmetric Standard Model
T. Biekötter (Hamburg, DESY)
Comput. Phys. Commun. 264 (2021) 107935,
arXiv:2009.12887 [hep-ph]
2019¶
Precise prediction for the Higgs-Boson masses
in the μνSSM with three right-handed neutrino
superfields
T. Biekötter (Madrid, IFT & Madrid, Autonoma U.),
S. Heinemeyer (Madrid, IFT & Cantabria Inst.
of Phys.), C. Muñoz (Madrid, IFT & Madrid,
Autonoma U.)
Eur.Phys.J. C79 (2019) no.8, 667,
arXiv:1906.06173 [hep-ph]
A 96 GeV Higgs Boson in the N2HDM
T. Biekötter (Madrid, IFT & Madrid, Autonoma U.),
M. Chakraborti (Madrid, IFT), S. Heinemeyer
(Madrid, IFT & Cantabria Inst. of Phys.)
Eur.Phys.J. C80 (2020), no.1, 2,
arXiv:1903.11661 [hep-ph]
2017¶
Precise prediction for the Higgs-Boson masses
in the μνSSM
T. Biekötter (Madrid, IFT & Madrid, Autonoma U.),
S. Heinemeyer (Madrid, IFT & Cantabria Inst.
of Phys.), C. Muñoz (Madrid, IFT & Madrid,
Autonoma U.)
Eur.Phys.J. C78 (2018) no.6, 504,
arXiv:1712.07475 [hep-ph]
2015¶
Next-to-next-to-leading order contributions to
inclusive jet production in deep-inelastic
scattering and determination of 𝛼s
Thomas Biekötter, Michael Klasen (Munster U.,
ITP), Gustav Kramer (Hamburg U., Inst. Theor.
Phys. II)
Phys.Rev.D 92 (2015) 7, 074037,
arXiv:1508.07153 [hep-ph]
Reviews¶
2023¶
CEPC Technical Design Report -- Accelerator (v2)
CEPC Study Group
arXiv:2312.14363 [physics.acc-ph]
2020¶
Higgs-mass predictions in the MSSM and beyond
P. Slavich (Paris, LPTHE),
S. Heinemeyer (Madrid, IFT & Madrid, Autonoma U. & Santander, Cantabria Inst. of Phys.) et al.
Eur.Phys.J.C 81 (2021) 5, 450,
arXiv:2012.15629 [hep-ph]
Proceedings¶
2023¶
Distinguishing Axion-Like Particles and 2HDM Higgs bosons in
tt production at the LHC
A. Biekötter (Karlsruhe, KIT),
T. Biekötter (Mainz U.),
A. Grohsjean (Hamburg U.),
S. Heinemeyer (Madrid, IFT),
L. Jeppe (Hamburg, DESY),
C. Schwanenberger (Hamburg, DESY & Hamburg U.),
G. Weiglein (Hamburg, DESY & Hamburg U.)
PoS EPS-HEP2023 (2024) 474
21 Aug - 25 Aug 2023. Hamburg, Germany
Speaker: L. Jeppe
Scalar extensions of the SM and recent experimental anomalies
T. Biekötter (Karlsruhe, KIT)
Contribution to the 2023 Electroweak session of the 57th Rencontres de Moriond,
arXiv:2304.11439 [hep-ph]
18 Mar - 25 Mar 2023. La Thuile, Italy
2020¶
The "96 GeV excess" at the LHC
T. Biekötter (Desy), M. Chakraborti (Madrid, IFT),
S. Heinemeyer (Cantabria Inst. of Phys. & Madrid, IFT)
Contribution to IAS Program on High Energy Physics (HEP),
arXiv:2003.05422 [hep-ph]
6 Jan - 24 Jan 2020. Hong Kong, China
Speaker: S. Heinemeyer
The "96 GeV excess" at the ILC
T. Biekötter (Desy), M. Chakraborti (Madrid, IFT),
S. Heinemeyer (Cantabria Inst. of Phys. & Madrid, IFT)
Contribution to International Workshop on Future Linear Colliders (LCWS2019),
arXiv:2002.06904 [hep-ph]
28 Oct - 1 Nov 2019. Sendai, Japan
Speaker: S. Heinemeyer
2019¶
The "96 GeV excess" in the N2HDM
T. Biekötter (DESY), M. Chakraborti (Madrid, IFT),
S. Heinemeyer (Cantabria Inst. of Phys. & Madrid,
IFT)
Contribution to 31st Rencontres de Blois on Particle Physics and Cosmology,
arXiv:1910.06858 [hep-ph]
02-07 Jun 2019. Blois, France
Speaker: S. Heinemeyer
2018¶
An N2HDM Solution for the possible 96 GeV Excess
Thomas Biekötter (Madrid, IFT & Madrid,
Autonoma U.), M. Chakraborti (Madrid,
Autonoma U.), Sven Heinemeyer (Madrid, IFT
& Cantabria Inst. of Phys.)
Contribution to Corfu Summer Institute 2018 (CORFU2018),
arXiv:1905.03280 [hep-ph]
31 Aug - 28 Sep 2018. Corfu, Greece
Speaker: S. Heinemeyer