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TH Preprints

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2021-12-03
08:02
Deep inelastic scattering off quark-gluon plasma and its photon emissivity / Cè, Marco ; Harris, Tim ; Meyer, Harvey B. ; Toniato, Arianna ; Török, Csaba
The photon emissivity of quark-gluon plasma probes the interactions in the medium and differs qualitatively between a weakly coupled and a strongly coupled plasma in the soft-photon regime. [...]
arXiv:2112.00450 ; CERN-TH-2021-167. - 8 p.
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2021-12-01
04:33
Renormalization $\&$ improvement of the tensor operator for $N_f=3$ QCD in a $\chi$SF setup / Plasencia, Isabel Campos ; Brida, Mattia Dalla ; de Divitiis, Giulia Maria ; Lytle, Andrew ; Papinutto, Mauro ; Pirelli, Ludovica ; Vladikas, Anastassios
We present preliminary results of the non-perturbative renormalization group (RG) running of the flavor non-singlet tensor operator. [...]
arXiv:2111.15325 ; CERN-TH-2021-204. - 8 p.
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2021-12-01
04:23
Quark mass RG-running for $N_f$ =3 QCD in a $\chi SF$ setup / Plasencia, Isabel Campos ; Brida, Mattia Dalla ; de Divitiis, Giulia Maria ; Lytle, Andrew ; Papinutto, Mauro ; Pirelli, Ludovica ; Vladikas, Anastassios
We compute the nonperturbative quark mass RG-running in the range $\Lambda_{QCD}\lessapprox\mu\lessapprox M_W$ for $N_f=3$ massless QCD with a mixed action approach: sea quarks are regularised using nonperturbatively $O(a)$-improved Wilson fermions with Schrödinger functional (SF) boundary conditions, employing the configurations of 1802.05243, while valence quarks are regularised using nonperturbatively $O(a)$-improved Wilson fermions with chirally rotated Schrödinger functional boundary conditions ($\chi$SF). [...]
arXiv:2111.15384 ; CERN-TH-2021-205. - 8 p.
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2021-11-27
04:34
Probing multi-particle unitarity with the Landau equations / Correia, Miguel ; Sever, Amit ; Zhiboedov, Alexander
We consider the $2\to 2$ scattering amplitude of identical massive particles. [...]
arXiv:2111.12100 ; CERN-TH-2021-197. - 9 p.
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2021-11-27
04:24
General Analytical Conditions for Inflaton Fragmentation: Quick and Easy Tests for its Occurrence / Kim, Jinsu (CERN) ; McDonald, John (Lancaster U.)
Understanding the physics of inflaton condensate fragmentation in the early Universe is crucial as the existence of fragments in the form of non-topological solitons (oscillons or Q-balls) may potentially modify the evolution of the post-inflation Universe. [...]
arXiv:2111.12474 ; CERN-TH-2021-202. - 9 p.
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2021-11-24
04:21
Master-field simulations of QCD / Fritzsch, P. ; Bulava, J. ; Cè, M. ; Francis, A. ; Lüscher, M. ; Rago, A.
We report on the first master-field simulations of QCD with 2+1 dynamical quark flavours using non-perturbatively improved stabilised Wilson fermions. [...]
arXiv:2111.11544 ; CERN-TH-2021-198. - 9 p.
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2021-11-24
04:18
Likelihood analysis of the flavour anomalies and $g-2$ in the general two Higgs doublet model / Athron, Peter (Nanjing Normal U. ; Monash U.) ; Balazs, Csaba (Monash U.) ; Gonzalo, Tomás E. (RWTH Aachen U.) ; Jacob, Douglas (Monash U.) ; Mahmoudi, Farvah (IP2I, Lyon ; CERN) ; Sierra, Cristian (Monash U.)
We present a likelihood analysis of the general two Higgs doublet model, using the most important currently measured flavour observables, in view of the anomalies in charged current tree-level and neutral current one-loop rare decays of $B$ mesons in $b\to c l \overline{\nu}$ and $b\to s\mu^{+}\mu^{-}$ transitions, respectively. [...]
arXiv:2111.10464 ; CERN-TH-2021-194 ; TTK-21-47. - 49 p.
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2021-11-22
08:11
MicroBooNE and the $\nu_e$ Interpretation of the MiniBooNE Low-Energy Excess / Argüelles, C.A. (Harvard U.) ; Esteban, I. (Ohio State U., CCAPP ; Ohio State U.) ; Hostert, M. (Perimeter Inst. Theor. Phys. ; Minnesota U.) ; Kelly, K.J. (CERN) ; Kopp, J. (CERN ; Mainz U., Inst. Phys. ; U. Mainz, PRISMA) ; Machado, P.A.N. (Fermilab) ; Martinez-Soler, I. (Harvard U.) ; Perez-Gonzalez, Y.F. (Durham U., IPPP)
A new generation of neutrino experiments is testing the $4.7\sigma$ anomalous excess of electron-like events observed in MiniBooNE. [...]
arXiv:2111.10359 ; CERN-TH-2021-195 ; FERMILAB-PUB-21-618-T ; IPPP/21/50 ; FTPI-MINN-21-23. - 10 p.
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2021-11-20
04:04
FLAG Review 2021 / Aoki, Y. (RIKEN AICS, Kobe) ; Blum, T. (Connecticut U. ; RIKEN BNL) ; Colangelo, G. (U. Bern, AEC) ; Collins, S. (Regensburg U.) ; Della Morte, M. (Southern Denmark U., CP3-Origins) ; Dimopoulos, P. (INFN, Parma ; Parma U.) ; Dürr, S. (Wuppertal U. ; IAS, Julich) ; Feng, X. (Peking U., Beijing ; CICQM, Beijing ; Peking U., CHEP ; Peking U., SKLNPT) ; Fukaya, H. (Osaka U.) ; Golterman, M. (San Francisco State U.) et al.
We review lattice results related to pion, kaon, $D$-meson, $B$-meson, and nucleon physics with the aim of making them easily accessible to the nuclear and particle physics communities. [...]
arXiv:2111.09849 ; CERN-TH-2021-191 ; JLAB-THY-21-3528 ; FERMILAB-PUB-21-620-SCD-T. - 418 p.
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2021-11-17
06:21
New constraints on flavour violating supersymmetry / Boussejra, M.A. (IP2I, Lyon) ; Mahmoudi, F. (IP2I, Lyon ; CERN)
We present a first update on the constraints on general MSSM scenarios with non-minimal sources of flavour violation (NMFV). [...]
arXiv:2111.07938 ; CERN-TH-2021-179. - 6 p.
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