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2017-01-11
07:31
Exploring the squark flavour structure of the MSSM / De Causmaecker, Karen (Brussels U., IIHE) ; Fuks, Benjamin (Paris, LPTHE ; IUF, Paris) ; Herrmann, Björn (Annecy, LAPTH) ; Mahmoudi, Farvah (Lyon U. ; CERN) ; O'Leary, Ben (Wurzburg U.) ; Porod, Werner (Wurzburg U.) ; Sekmen, Sezen (Kyungpook Natl. U.) ; Strobbe, Nadja (Fermilab)
We present an extensive study of the MSSM parameter space allowing for general generation mixing in the squark sector. [...]
LAPTH-CONF-065-16 ; CERN-TH-2016-234 ; FERMILAB-CONF-16-500-PPD ; arXiv:1701.01700.
- 2017. - 4 p.
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2017-01-11
07:31
Naturalness of asymptotically safe Higgs / Pelaggi, Giulio Maria (Pisa U. ; INFN, Pisa) ; Sannino, Francesco (Southern Denmark U., CP3-Origins) ; Strumia, Alessandro (Pisa U. ; INFN, Pisa ; CERN) ; Vigiani, Elena (Pisa U. ; INFN, Pisa)
We introduce a model that contains a Higgs-like scalar with gauge, Yukawa and quartic interactions that enter a perturbative asymptotically safe regime at energies above a scale $\Lambda$. [...]
CERN-TH-2017-001 ; CP3-ORIGINS-2017-001 ; IFUP-TH-2017 ; arXiv:1701.01453.
- 2017. - 16 p.
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2016-12-02
12:49
SUSY Meets Her Twin / Katz, Andrey (CERN ; Geneva U.) ; Mariotti, Alberto (Brussels U., IIHE) ; Pokorski, Stefan (Warsaw, CFT) ; Redigolo, Diego (Tel Aviv U. ; Weizmann Inst.) ; Ziegler, Robert (Karlsruhe U., TTP)
We investigate the general structure of mirror symmetry breaking in the Twin Higgs scenario. [...]
arXiv:1611.08615 ; CERN-TH-2016-240 ; TTP16-054.
- 2016. - 37 p.
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2016-12-02
12:44
Determining the CP nature of spin-0 mediators in associated production of dark matter and $t \bar t$ pairs / Haisch, Ulrich (Oxford U., Theor. Phys. ; CERN) ; Pani, Priscilla (Stockholm U. ; CERN) ; Polesello, Giacomo (INFN, Pavia ; CERN)
In the framework of spin-0 $s$-channel simplified models, we explore the possibility of assessing the structure of dark matter interactions through the associate production of dark matter and $t\bar{t}$ pairs. [...]
arXiv:1611.09841 ; CERN-TH-2016-243.
- 2016. - 24 p.
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2016-12-02
12:44
Phenomenological analysis of associated production of $Z^0+b$ in the $b \rightarrow J/\psi X$ decay channel at the LHC / Lansberg, Jean-Philippe (Orsay, IPN) ; Shao, Hua-Sheng (CERN)
The ATLAS collaboration recently reported on the first observation of associated-production of a $Z^0$ boson with a $J/\psi$. [...]
arXiv:1611.09303 ; CERN-TH-2016-244.
- 2016. - 12 p.
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2016-12-02
12:42
Stringy bounces and gradient instabilities / Giovannini, Massimo (CERN ; INFN, Milan Bicocca)
Bouncing solutions are obtained from a generally covariant action characterized by a potential which is a nonlocal functional of the dilaton field at two separated space-time points. [...]
arXiv:1612.00346 ; CERN-TH-2016-194.
- 2016. - 23 p.
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2016-12-02
12:37
Constraints on violation of Lorentz invariance from atmospheric showers initiated by multi-TeV photons / Rubtsov, Grigory (Moscow, INR) ; Satunin, Petr (Moscow, INR) ; Sibiryakov, Sergey (Moscow, INR ; CERN ; EPFL, Lausanne, LPPC)
We discuss the effect of hypothetical violation of Lorentz invariance at high energies on the formation of atmospheric showers by very-high-energy gamma rays. [...]
arXiv:1611.10125 ; CERN-TH-2016-246 ; INR-TH-2016-044.
- 2016. - 20 p.
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2016-11-21
07:41
Controlling quark mass determinations non-perturbatively in three-flavour QCD / Campos, Isabel (Cantabria Inst. of Phys.) ; Fritzsch, Patrick (Madrid, IFT ; CERN) ; Pena, Carlos (Madrid, IFT ; U. Autonoma, Madrid (main)) ; Preti, David (Madrid, IFT) ; Ramos, Alberto (CERN) ; Vladikas, Tassos (Rome U., Tor Vergata)
The determination of quark masses from lattice QCD simulations requires a non-perturbative renormalization procedure and subsequent scale evolution to high energies, where a conversion to the commonly used MS-bar scheme can be safely established. [...]
arXiv:1611.06102 ; CERN-TH-2016-237 ; IFT-UAM-CSIC-16-120.
- 2016. - 10 p.
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2016-11-19
07:56
The determination of $\alpha_s$ by the ALPHA collaboration / Bruno, Mattia (NIC, Zeuthen ; Brookhaven) ; Dalla Brida, Mattia (NIC, Zeuthen) ; Fritzsch, Patrick (Madrid, IFT ; CERN) ; Korzec, Tomasz (Wuppertal U. ; Humboldt U., Berlin) ; Ramos, Alberto (CERN) ; Schaefer, Stefan (NIC, Zeuthen) ; Simma, Hubert (NIC, Zeuthen) ; Sint, Stefan (Trinity Coll., Dublin) ; Sommer, Rainer (NIC, Zeuthen ; Humboldt U., Berlin)
We review the ALPHA collaboration strategy for obtaining the QCD coupling at high scale. [...]
arXiv:1611.05750 ; DESY 16-214 ; CERN-TH-2016-236 ; IFT-UAM-CSIC-16-119.
- 2016. - 7 p.
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2016-11-17
08:30
Constraints on the CP-Violating MSSM / Arbey, A (Lyon, Ecole Normale Superieure ; CERN) ; Ellis, J (CERN ; King's Coll. London) ; Godbole, R M (Bangalore, Indian Inst. Sci.) ; Mahmoudi, F (Lyon, Ecole Normale Superieure ; CERN)
We discuss the prospects for observing CP violation in the MSSM with six CP-violating phases, using a geometric approach to maximise CP-violating observables subject to the experimental upper bounds on electric dipole moments. [...]
arXiv:1611.05061 ; CERN-TH-2016-233.
- 2016. - 6 p.
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