## Theoretical Physics Seminars Archive

### Current year

Jan-Aug 2016

Raw date Event date Title Speakers Host Summary Links
20160901 Sept. 1, 2016 New Physics Searches at DUNE Kevin Kelly, Northwestern U. pubs
20160908 Sept. 8, 2016 The Minimal SUSY B-L Model: Simultaneous Wilson Lines and String Thresholds Burt Ovrut, University of Pennsylvania Chris H. pubs
20160922 Sept. 22, 2016 Relaxion from particle production Gustavo Marques-Tavares, Boston U. Jack pubs
20160929 Sept. 29, 2016 Little Conformal Symmetry Rachel Houtz, UC Davis Seyda pubs
20161006 Oct. 6, 2016 Higgs Relaxation Leptogenesis Lauren Pearce, Minnesota U. Seyda
20161013 Oct. 13, 2016 Dark matter annihilation via dark bound state formation Haipeng An, Caltech Paddy pubs
20161018 Oct. 18, 2016 Leaving Plato's Cave: Beyond the Simplest Models of Dark Matter and Flavor Symmetry Alexander Natale, KIAS, Seoul Kiel pubs
20161020 Oct. 20, 2016 Resummation for Differential Distributions Vincent Theeuwes, SUNY Buffalo John pubs
20161027 Oct. 27, 2016 New physics in Supernovae and IceCube Flavor Ratios Vedran Brdar, MITP, Mainz U. Paddy inSPIRE
Slides
20161103 Nov. 3, 2016 Towards Realistic Simulation of t-channel Single Top-Quark Production Hua Xing Zhu, MIT Ye inSPIRE
20161110 Nov. 10, 2016 Gravitational Waves as a New Probe of Dark Matter Bhupal Dev, Washington University St. Louis Zhen Abstract: A dark matter (DM) halo intervening along the line of sight of a gravitational wave (GW) signal could induce a change in the speed of GW. We show that this change of speed is observable with the current LIGO sensitivity for a class of self-interacting ultralight DM models, where the DM particles could form... More » inSPIRE
20161115 Nov. 15, 2016 Higgs Effective Field Theories - Systematics and Applications Claudius Krause, University of Munich; Note day and location: Tuesday, WH3NW Marcela
20161117 Nov. 17, 2016 Secluded Neutrinos: From the Early Universe to IceCube Ian Shoemaker, University of South Dakota Pilar HEPNAMES
20161124 Nov. 24, 2016 Happy Thanksgiving! No seminar
20161201 Dec. 1, 2016 The String Soundscape at Gravitational Wave Detectors Isabel Garcia-Garcia, University of Oxford Kiel
20161208 Dec. 8, 2016 No seminar
20161215 Dec. 15, 2016 INT Workshop on Neutrino-Nucleus Interactions Minerba Betancourt, Fermilab; Andreas Kronfeld, Fermilab Andreas Workshop website Note location: One West Andreas's slides
Minerba's slides
20170105 Jan. 5, 2017 No Seminar
20170112 Jan. 12, 2017 The Fate of Axion Stars Hong Zhang, Ohio State U Inspires profile
20170119 Jan. 19, 2017 It's not just the Higgs Sally Dawson, BNL Paddy InSPIREs Profile
20170126 Jan. 26, 2017 Being flat with no symmetry Yue Zhao, University of Michigan Paddy Inspire profile
20170202 Feb. 2, 2017 Exploring the Higgs-top coupling at the LHC Dorival Gonçalves, Pittsburgh U. Pedro Inspires profile
Slides
20170209 Feb. 9, 2017 Extraction of the triple Higgs coupling at e+e- colliders using EFT Michael Peskin, SLAC Paddy InSPIRE profile
20170216 Feb. 16, 2017 Hindered M1 Radiative Decay of Υ(2S) and ηb(2S) from Lattice NRQCD Ciaran Hughes, Fermilab (local) Inspire profile
20170223 Feb. 23, 2017 Flavor Gauge Models Below the Fermi Scale (and why neutrinos matter!) Pedro Machado, Fermilab (local) Inspires profile
20170302 March 2, 2017 Neutrino-nucleus Interactions Noemi Rocco, IFIC Valencia Andreas inSPIREs profile
Slides
20170309 March 9, 2017 The Trouble with the Lattice Axial Charge Huey-Wen Lin, Michigan State U. Ciaran inSPIRE profile
20170314 March 14, 2017 Relaxed inflation Lorenzo Ubaldi, Tel Aviv University Roni InSPIRE profile
20170316 March 16, 2017 Few-hadron electroweak reactions from lattice QCD Raúl Briceño, Jefferson Lab Ciaran inSPIRE profile
Slides
20170323 March 23, 2017 Double Scalar Production at LHC and Beyond Ian Lewis, University of Delaware Zhen The simplest extension of the Standard Model is to add a gauge singlet scalar: the singlet extended Standard Model.  Although simple, this model is quite well-motivated and has an interesting phenomenology.  Of particular interest is that this model can provide a mechanism for the strong first order phase transition necessary for electroweak baryogenesis. In this... More » InSPIRE profile
20170330 March 30, 2017 Conformal QED3 and the ε expansion Emmanuel Stamou, University of Chicago Pilar The theory of Quantum Electrodynamics in three dimensions (QED3) has received considerable attention due to its applications in condensed matter physics and due to its similarities with stongly coupled QCD-like theories in four dimensions. QED3 is strongly coupled at energies close to the gauge coupling that in this case is dimensionful. Whereas for a large... More » inSPIRE profile
20170406 April 6, 2017 Effective theories for point sources Cliff Burgess, McMaster/PI Paddy Nature comes to us with many hierarchies of scale, and science progresses because we do not need to understand them all at once. Effective theories exploit this fact to isolate what is important at any scale. This talk summarizes how effective theories work for applications to the ordinary and relativistic quantum mechanics of a particle... More » InSPIRE profile
Slides
20170411 April 11, 2017 CERN ν-Physics Summary Seyda Ipek, Fermilab Local Inspires Profile
20170413 April 13, 2017 Hadron resonances in coupled-channel scattering from lattice QCD Jozef Dudek, College of William and Mary Ciaran InSPIRE profile
Slides
20170420 April 20, 2017 The Vev Flip-Flop: Dark Matter Decay between Weak Scale Phase Transitions Michael Baker, JGU Mainz Stefan InSPIRE profile
20170427 April 27, 2017 Lepton Universality Violation in B decays Ben Grinstein, UC San Diego Ciaran InSPIRE profile
20170502 May 2, 2017 A New Era of Seesaw Phenomenology for a New Era of Colliders Richard Ruiz, IPPP, Durham; (NB: Tuesday, WH7XO) Pilar inSPIRE profile
20170504 May 4, 2017 (Note Change of time: @10am) Transplanckian Cosmic Strings Patrick Draper, U. Mass, Amherst Paddy InSPIRE profile
20170511 May 11, 2017 Neutrinoless double beta decay from lattice QCD Amy Nicholson, UC Berkeley Ciaran inSPIRE profile
20170518 May 18, 2017 Collider Probes of Axion-Like Particles Andrea Thamm, JGU Mainz Stefan Inspires Profile
20170522 May 22, 2017 D* Polarization as a probe to distinguish new physics in B → D*τν Uma Sankar, Indian Institute of Technology Bombay Marcela BaBar, Belle and LHCb have all measured the parameters R(D) and R(D*) to be in excess of the Standard Model predictions.  Freytsis et al (arXiv:1506.08896) have obtained the coupling strengths of various New Physics operators which can explain this excess. In this work (arXiv:1606.03164), we look at the angular observables which can distinguish between these different solutions. We find that... More »
20170523 May 23, 2017 LHC constraints on mesons from Stealth Dark Matter Bryan Ostdiek, University of Oregon Kiel Inspires Profile
20170525 May 25, 2017 Instability of Lightest Visible Superpartner Points to Hidden Sector Dark Matter Sebastian Ellis, University of Michigan Kiel Inspires Profile
20170601 June 1, 2017 Minimal Seesaw Model: Testable Leptogenesis & CP violation Jacobo Lopez-Pavon, CERN Pilar inSPIRE profile
20170602 June 2, 2017 NOTE CHANGE OF TIME: Lattice QCD predictions of π and K electromagnetic form factors at large Q2 for Jefferson Lab experiments Christine Davies, University of Glasgow Ciaran Inspires Profile
Slides
20170608 June 8, 2017 No seminar Users' Meeting Andreas
20170615 June 15, 2017 Leptogenesis via Weinberg operator Ye-Ling Zhou, Durham University Pilar Inspires Profile
20170620 June 20, 2017 New directions for LHC boosted object searches Jack Collins, University of Maryland Hadronic boosted object discrimination has been reaching experimental maturity in the last few years especially for the discrimination of boosted Standard Model W’s, Z’s, and H’s against QCD jets, and there is now a wide range of searches utilizing these techniques with great success. In this talk I will discuss a range of topologies that... More » InSPIRE profile
Slides
20170622 June 22, 2017 The B -> D(*) tau nu anomalies: facts and/or fictions Zoltan Ligeti, LBNL InSPIRE profile
20170629 June 29, 2017 No seminar.
20170706 July 6, 2017 Solar neutrinos as a probe of Neutrino-Dark Matter interactions Francesco Capozzi, Ohio State Pilar InSPIRE profile
20170711 July 11, 2017 Axion-photon transition (radiation) caused by dielectric interfaces in a magnetic field: QFT approach Ara Ioannisyan, Yerevan Physics Institute, Armenia Axion-photon transition/conversion at dielectric interfaces, immersed in a near-homogeneous magnetic field, is the basis for the dielectric haloscope method to search for axion dark matter. In analogy to transition radiation, this process is possible because the photon wave function is modified by the dielectric layers (“Garibian wave function”) and is no longer an eigenstate of... More » InSPIRE profile
20170712 July 12, 2017 Impact of the magnetic field in EoS, the structure and velocities of the Quark Stars Aurora Perez Martinez, Havana, ICIMAF Marcela We analyze the impact of anisotropic EoS, due to the presence of a magnetic field, in the structure equations of  magnetized quark stars. We assume a cylindrical metric and an anisotropic energy momentum tensor for the source. We found that there is a maximum magnetic field that a quark star can sustain, closely related to... More » Inspires
20170713 July 13, 2017 Lepton flavor universality violation in rare B decays Wolfgang Altmannshofer, Cincinnati U. Ciaran Inspires Profile
20170720 July 20, 2017 New opportunities for old observables at LHC Marc Riembau, DESY Interpreting LHC data requires a few assumptions, even from an Effective Field Theory approach. I will put a question mark on a few on them and study their effects: considering triple Higgs coupling in single Higgs observables gives a complementarity between single and double Higgs; adding anomalous fermion-vector boson couplings in diboson data ends up... More » InSPIRE profile
20170727 July 27, 2017 Toward partial compositeness on the lattice: Lattice results from a candidate SU(4) gauge theory William Jay, Colorado Uni. Ciaran In this seminar, I’ll discuss recent results from lattice simulation of a candidate model of physics beyond the Standard Model. In systems of interest, the Higgs arises as a Goldstone boson of a new strongly coupled sector in the UV, while the top quark obtains its large mass through the mechanism of partial compositeness. This... More » Inspires Profile
Slides
20170803 Aug. 3, 2017 No Seminar. DPF Meeting @ Fermilab
20170810 Aug. 10, 2017 Re-examining Lepton Flavor Violation in the Littlest Higgs Model with T-Parity Roberto Vega-Morales, University of Granada Kiel Inspires Profile
20170817 Aug. 17, 2017 New physics searches with the TeV neutrinos Carlos A Arguelles Delgado, MIT Pilar Inspires Profile
Slides
20170824 Aug. 24, 2017 Theory Seminar: Postponed
20170831 Aug. 31, 2017 Flavoured Dark Matter in Dark Minimal Flavour Violation Simon Kast, KIT Roni We study simplified models of flavoured dark matter in the framework of Dark Minimal Flavour Violation. In this setup the coupling of the dark matter flavour triplet to SM quark triplets constitutes the only new source of flavour and CP violation. The parameter space of the model is restricted by LHC searches with missing energy... More » Inspires Profile
20170907 Sept. 7, 2017 Light Composite Scalars from Lattice Gauge Theory Beyond QCD Ethan Neil, Colorado Uni. Ciaran Inspires Profile
Slides
20170914 Sept. 14, 2017 Electric dipole moment using lattice QCD with the gradient flow Andrea Shindler, Michigan State U. Ciaran Inspires Profile
20170921 Sept. 21, 2017 Baryogenesis from Oscillations of Charmed or Beautiful Baryons Ann Nelson, Washington U., Seattle Paddy Inspires
20170928 Sept. 28, 2017 Light Z' coupled to "poorly" conserved currents Maxim Pospelov, Perimeter Institute Ciaran Inspires Profile
20171005 Oct. 5, 2017 No seminar.
20171012 Oct. 12, 2017 Continuum Top Partners Sal Lombardo, Cornell The LHC has put the naturalness paradigm under pressure since one generally expects new colored resonances at the TeV scale to address the hierarchy problem. There exists another possibility, however. New dynamics responsible for furnishing a pseudo-goldstone composite Higgs may have a gapped continuum of colored excitations, in which case the top partners and vector... More » inSPIRE profile
20171013 Oct. 13, 2017 Enrique Jimenez, Santa Cruz CA Marcela
20171013 Oct. 13, 2017 Special JC : Beyond (CP)^2=1 Enrique Jimenez, Santa Cruz CA Marcela
20171017 Oct. 17, 2017 BSM physics searches in the IceCube neutrino telescope Jordi Salvado, Barcelona Stefan inSPIRE profile
20171019 Oct. 19, 2017 The hadronic light-by-light contribution to the muon anomalous magnetic moment from lattice QCD Thomas Blum, Connecticut U. Ciaran Inspires
Slides
20171020 Oct. 20, 2017 Special JC: Lattice quantum gravity and asymptotic safety Jack Laiho, Syracuse U. Ciaran Inspires
Slides
20171026 Oct. 26, 2017 Modern Machine Learning with Jet Images for High Energy Physics Ben Nachman, Berkeley InSPIRE profile
20171030 Oct. 30, 2017 New Physics with Neutrino Physics Pedro Machado, Fermilab inSPIRE profile
20171102 Nov. 2, 2017 Voronoi Tessellations and Machine Learning in Phase Space Jamie Gainer, Hawaii Kiel InSPIRE profile
20171109 Nov. 9, 2017 Singularities: Long time behavior of their Quantum Noise and holographic Complexity Eliezer Rabinovici, Hebrew University Various properties of some space like singularities in string theory will be discussed in the AdS/CFT holographic framework. Attempts to apply the diagnostic tools such as the study of  long time correlations and complexity, to these singularities, will be described. InSPIRE profile
20171116 Nov. 16, 2017 Quantum Monte Carlo predictions for electron- and neutrino-nucleus scattering Alessandro Lovato, Argonne Ciaran Inspires
20171123 Nov. 23, 2017 Holiday - No Seminar
20171128 Nov. 28, 2017 The half-life of a free neutron from Lattice QCD Jason Chang, LBNL Ciaran The axial coupling of the nucleon, $g_A$, is a fundamental property of neutrons and protons. The long-range nuclear force between nucleons and the $\beta$-decay rate of a free neutron both depend on $g_A^2$. This coupling therefore underpins all of low-energy nuclear physics, controlling, for example, the primordial composition of the universe. While the value of... More » Inspires
20171130 Nov. 30, 2017 Deep Learning Seminar
20171205 Dec. 5, 2017 Respect the ELDER Dark Matter & Go Beyond the Direct-Detection Limit with Quilonovae and Neutron Star Mergers Yu-Dai Tsai, Cornell Kiel We present a novel dark matter (DM) candidate, Elastically Decoupling Relic (ELDER), in which the DM current-day abundance is dominantly determined via the elastic decoupling between standard model particles and DM, rather than a usual DM freeze-out. ELDER has a distinctive thermal history and new phenomenological implications in comparison to the CDM/WIMP scenarios. It provides... More » InSPIRE profile
20171212 Dec. 12, 2017 Report on CERN’s Physics Beyond Colliders Annual Workshop Chris Quigg, Fermilab Stefan
20171214 Dec. 14, 2017 Constraining extended Higgs sectors at the LHC and beyond Tania Robens, MSU inSPIRE profile
20180111 Jan. 11, 2018 A new way to determine alpha_s using the QCD gradient flow Tobias Neumann, Fermilab & IIT Ciaran
20180118 Jan. 18, 2018 Searching for beauty-fully bound tetraquarks using lattice Non-relativistic QCD Ciaran Hughes, Fermilab Ciaran