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2020-08-01
05:54
Updated predictions for gravitational waves produced in a strongly supercooled phase transition / Ellis, John ; Lewicki, Marek ; Vaskonen, Ville
We update predictions for the gravitational wave (GW) signal from a strongly supercooled phase transition in an illustrative classically conformal U(1)$_{B-L}$ model. [...]
arXiv:2007.15586 ; KCL-PH-TH/2020-40 ; CERN-TH-2020-129. - 22 p.
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2020-08-01
05:54
The Neutrino Magnetic Moment Portal: Cosmology, Astrophysics, and Direct Detection / Brdar, Vedran ; Greljo, Admir ; Kopp, Joachim ; Opferkuch, Toby
We revisit the physics of neutrino magnetic moments, focusing in particular on the case where the right-handed, or sterile, neutrinos are heavier (up to several MeV) than the left-handed Standard Model neutrinos. [...]
arXiv:2007.15563 ; CERN-TH-2020-130 ; MITP/20-041. - 18 p.
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2020-07-30
05:08
Predicting parton energy loss in small collision systems / Huss, Alexander ; Kurkela, Aleksi ; Mazeliauskas, Aleksas ; Paatelainen, Risto ; van der Schee, Wilke ; Wiedemann, Urs Achim
Medium induced parton energy loss is not conclusively established neither in very peripheral heavy-ion collisions nor in proton-ion collisions. [...]
arXiv:2007.13758 ; CERN-TH-2020-127. - 19 p.
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2020-07-30
05:08
Discovering partonic rescattering in light nucleus collisions / Huss, Alexander ; Kurkela, Aleksi ; Mazeliauskas, Aleksas ; Paatelainen, Risto ; van der Schee, Wilke ; Wiedemann, Urs Achim
We demonstrate that oxygen-oxygen (OO) collisions at the LHC provide unprecedented sensitivity to parton energy loss in a system whose size is comparable to those created in very peripheral heavy-ion collisions [...]
arXiv:2007.13754 ; CERN-TH-2020-126. - 8 p.
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2020-07-29
04:47
Charged Current Drell-Yan Production at N3LO / Duhr, Claude ; Dulat, Falko ; Mistlberger, Bernhard
We present the production cross section for a lepton-neutrino pair at the Large Hadron Collider computed at next-to-next-to-next-to leading order (N3LO) in QCD perturbation theory. [...]
arXiv:2007.13313 ; CERN-TH-2020-121 ; SLAC-PUB-17539. - 22 p.
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2020-07-25
04:11
Virasoro blocks and quasimodular forms / Das, Diptarka ; Datta, Shouvik ; Raman, Madhusudhan
We analyse Virasoro conformal blocks in the regime of heavy intermediate exchange $(h_p \rightarrow \infty)$. [...]
arXiv:2007.10998 ; CERN-TH-2020-119. - 35 p.
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2020-07-25
04:11
From sources to initial data and back again: on bulk singularities in Euclidean AdS/CFT / Belin, Alexandre ; Withers, Benjamin
A common method to prepare states in AdS/CFT is to perform the Euclidean path integral with sources turned on for single-trace operators. [...]
arXiv:2007.10344 ; CERN-TH-2020-125. - 16 p.
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2020-07-16
04:35
Hydrodynamization in systems with detailed transverse profiles / Kurkela, Aleksi (CERN ; Stavanger U.) ; Taghavi, Seyed Farid (Munich, Tech. U.) ; Wiedemann, Urs Achim (CERN) ; Wu, Bin (CERN)
The observation of fluid-like behavior in nucleus-nucleus, proton-nucleus and high-multiplicity proton-proton collisions motivates systematic studies of how different measurements approach their fluid-dynamic limit. [...]
arXiv:2007.06851 ; CERN-TH-2020-118. - 8 p.
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2020-07-16
04:35
On the new LHCb angular analysis of $B \to K^* \mu^+ \mu^-$: Hadronic effects or New Physics? / Hurth, T. (U. Mainz, PRISMA) ; Mahmoudi, F. (IP2I, Lyon ; CERN ; IUF, Paris) ; Neshatpour, S. (IP2I, Lyon)
The new angular analysis of the decay $B \to K^* \ell^+ \ell^-$ recently presented by the LHCb collaboration still indicates some tensions with the SM predictions. [...]
arXiv:2006.04213 ; CERN-TH-2020-093 ; MITP/20-030. - 12 p.
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2020-07-16
04:34
A model-independent analysis of $b \to s \mu^{+} \mu^{-}$ transitions with GAMBIT's FlavBit / Bhom, J. (Cracow, INP) ; Chrzaszcz, M. (Cracow, INP) ; Mahmoudi, F. (IP2I, Lyon ; CERN ; Inst. U. de France) ; Prim, M.T. (Karlsruhe U., EKP) ; Scott, P. (Queensland U. ; Imperial Coll., London) ; White, M. (Adelaide U.)
The search for flavour-changing neutral current effects in $B$-meson decays is a powerful probe of physics beyond the Standard Model. [...]
arXiv:2006.03489 ; CERN-TH-2020-089. - 27 p.
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