2017-04-19
08:09 |
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Flavour anomalies after the $R_{K^*}$ measurement
/ D'Amico, Guido (CERN) ; Nardecchia, Marco (CERN) ; Panci, Paolo (CERN) ; Sannino, Francesco (CERN ; U. Southern Denmark, CP3-Origins ; U. Southern Denmark, Odense, DIAS) ; Strumia, Alessandro (CERN ; Pisa U. ; INFN, Pisa) ; Torre, Riccardo (EPFL, Lausanne, LPTP) ; Urbano, Alfredo (CERN)
The LHCb measurement of the $\mu/e$ ratio $R_{K^*}$ indicates a deficit with respect to the Standard Model prediction, supporting earlier hints of lepton universality violation observed in the $R_K$ ratio. [...]
CERN-TH-2017-086 ; CP3-ORIGINS-2017-014 ; arXiv:1704.05438.
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30 p.
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2017-04-15
08:30 |
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Multi-loop calculations: numerical methods and applications
/ Borowka, S. (CERN) ; Heinrich, G. (Munich, Max Planck Inst.) ; Jahn, S. (Munich, Max Planck Inst.) ; Jones, S.P. (Munich, Max Planck Inst.) ; Kerner, M. (Munich, Max Planck Inst.) ; Schlenk, J. (Durham U., IPPP)
We briefly review numerical methods for calculations beyond one loop and then describe new developments within the method of sector decomposition in more detail. [...]
CERN-TH-2017-051 ; IPPP-17-28 ; MPP-2017-62 ; arXiv:1704.03832.
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10 p.
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2017-04-15
08:30 |
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2017-04-12
07:18 |
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Colorful Twisted Top Partners and Partnerium at the LHC
/ Kats, Yevgeny (CERN ; Ben Gurion U. of Negev ; Weizmann Inst.) ; McCullough, Matthew (CERN) ; Perez, Gilad (Weizmann Inst.) ; Soreq, Yotam (MIT, Cambridge, CTP) ; Thaler, Jesse (MIT, Cambridge, CTP)
In scenarios that stabilize the electroweak scale, the top quark is typically accompanied by partner particles. [...]
MIT-CTP-4897 ; CERN-TH-2017-073 ; arXiv:1704.03393.
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38 p.
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2017-04-11
08:06 |
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Where is Particle Physics Going?
/ Ellis, John (King's Coll. London ; CERN)
The answer to the question in the title is: in search of new physics beyond the Standard Model, for which there are many motivations, including the likely instability of the electroweak vacuum, dark matter, the origin of matter, the masses of neutrinos, the naturalness of the hierarchy of mass scales, cosmological inflation and the search for quantum gravity [...]
KCL-PH-TH-2017-18 ; CERN-TH-2017-080 ; arXiv:1704.02821.
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20 p.
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2017-04-08
07:18 |
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2017-04-07
07:44 |
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Long-range critical exponents near the short-range crossover
/ Behan, Connor (YITP, Stony Brook) ; Rastelli, Leonardo (YITP, Stony Brook) ; Rychkov, Slava (CERN ; Ecole Normale Superieure ; UPMC, Paris (main)) ; Zan, Bernardo (ITPP, Lausanne ; CERN)
The $d$-dimensional long-range Ising model, defined by spin-spin interactions decaying with the distance as the power $1/r^{d+s}$, admits a second order phase transition with continuously varying critical exponents. [...]
arXiv:1703.03430 ; YITP-SB-17-12 ; CERN-TH-2017-058.
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5 p.
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2017-04-05
07:33 |
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Radiative symmetry breaking from interacting UV fixed points
/ Abel, Steven (Durham U., IPPP ; CERN) ; Sannino, Francesco (CERN ; U. Southern Denmark, CP3-Origins ; U. Southern Denmark, Odense, DIAS)
It is shown that the addition of positive mass-squared terms to asymptotically safe gauge-Yukawa theories with perturbative UV fixed points leads to calculable radiative symmetry breaking in the IR. [...]
CERN-TH-2017-066 ; CP3-ORIGINS-2017-011-DNRF90 ; IPPP-2017-23 ; arXiv:1704.00700.
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25 p.
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2017-03-31
07:54 |
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2017-03-31
07:54 |
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