Physical Review Letters (APS)

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2018-09-21
18:16
Dual Conformal Structure Beyond the Planar Limit / Bern, Zvi ; Enciso, Michael ; Shen, Chia-Hsien ; Zeng, Mao
The planar scattering amplitudes of N=4 super-Yang-Mills theory display symmetries and structures which underlie their relatively simple analytic properties such as having only logarithmic singularities and no poles at infinity. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.121603 arXiv:1806.06509
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2018-09-20
22:16
Complexity Growth Rate in Lovelock Gravity / Cano, Pablo A. ; Hennigar, Robie A. ; Marrochio, Hugo
Using the complexity=action framework, we compute the late time growth of complexity for charged black holes in Lovelock gravity. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.121602 arXiv:1803.02795
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2018-09-20
22:16
Invisible Neutrino Decay Could Resolve IceCube’s Track and Cascade Tension / Denton, Peter B. ; Tamborra, Irene
The IceCube Neutrino Observatory detects high energy astrophysical neutrinos in two event topologies: tracks and cascades. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.121802 arXiv:1805.05950
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2018-09-20
22:16
Strongly Coupled Anisotropic Gauge Theories and Holography / Giataganas, Dimitrios ; Gürsoy, Umut ; Pedraza, Juan F.
We initiate a nonperturbative study of anisotropic, nonconformal, and confining gauge theories that are holographically realized in gravity by generic Einstein-axion-dilaton systems. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.121601 arXiv:1708.05691
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2018-09-17
22:16
Observation of Higgs Boson Decay to Bottom Quarks / Sirunyan, A. M. ; Tumasyan, A. ; Adam, W. ; Ambrogi, F. ; et al
The observation of the standard model (SM) Higgs boson decay to a pair of bottom quarks is presented. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.121801 arXiv:1808.08242
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2018-09-13
22:16
Natural Explanation for 21 cm Absorption Signals via Axion-Induced Cooling / Houston, Nick ; Li, Chuang ; Li, Tianjun ; Yang, Qiaoli ; et al
The EDGES Collaboration has reported an anomalously strong 21 cm absorption feature corresponding to the era of first star formation, which may indirectly betray the influence of dark matter during this epoch. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.111301 arXiv:1805.04426
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2018-09-13
02:16
Pion-Pole Contribution to Hadronic Light-By-Light Scattering in the Anomalous Magnetic Moment of the Muon / Hoferichter, Martin ; Hoid, Bai-Long ; Kubis, Bastian ; Leupold, Stefan ; et al
The π0 pole constitutes the lowest-lying singularity of the hadronic light-by-light (HLBL) tensor, and thus, it provides the leading contribution in a dispersive approach to HLBL scattering in the anomalous magnetic moment of the muon (g2)μ. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.112002 arXiv:1805.01471
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2018-09-13
02:16
Light-Cone Parton Distribution Functions from Lattice QCD / Alexandrou, Constantia ; Cichy, Krzysztof ; Constantinou, Martha ; Jansen, Karl ; et al
We extract parton distribution functions (PDFs) of the nucleon from lattice QCD using an ensemble of gauge field configurations simulated with light quark masses fixed to their physical values. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.112001 arXiv:1803.02685
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2018-09-13
02:16
Constraining Effective Field Theories with Machine Learning / Brehmer, Johann ; Cranmer, Kyle ; Louppe, Gilles ; Pavez, Juan
We present powerful new analysis techniques to constrain effective field theories at the LHC. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.111801 arXiv:1805.00013
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2018-09-07
22:16
Canceling the U(1) Anomaly in the S Matrix of N=4 Supergravity / Bern, Zvi ; Parra-Martinez, Julio ; Roiban, Radu
N=4 supergravity is understood to contain a U(1) anomaly which manifests itself via the nonvanishing of loop-level scattering amplitudes that violate a tree-level charge conservation rule. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.101604 arXiv:1712.03928
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