Physical Review Letters (APS)

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2018-10-18
02:16
First Observation of the Doubly Charmed Baryon Decay Ξcc++Ξc+π+ / Aaij, R. ; Adeva, B. ; Adinolfi, M. ; Aidala, C. A. ; et al
The doubly charmed baryon decay Ξcc++Ξc+π+ is observed for the first time, with a statistical significance of 5.9σ, confirming a recent observation of the baryon in the Λc+Kπ+π+ final state. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.162002 arXiv:1807.01919
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2018-10-18
02:16
Sterile Neutrino Constraints from the STEREO Experiment with 66 Days of Reactor-On Data / Almazán, H. ; Sanchez, P. del Amo ; Bernard, L. ; Blanchet, A. ; et al
The reactor antineutrino anomaly might be explained by the oscillation of reactor antineutrinos toward a sterile neutrino of eV mass. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.161801 arXiv:1806.02096
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2018-10-16
22:16
Transverse-Momentum-Dependent Distributions with Jets / Gutierrez-Reyes, Daniel ; Scimemi, Ignazio ; Waalewijn, Wouter J. ; Zoppi, Lorenzo
We investigate the use of jets to measure transverse-momentum-dependent distributions (TMDs). [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.162001 arXiv:1807.07573
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2018-10-15
22:16
All Tree Level Scattering Amplitudes in Chern-Simons Theories with Fundamental Matter / Inbasekar, Karthik ; Jain, Sachin ; Nayak, Pranjal ; Umesh, V.
We show that Britto-Cachazo-Feng-Witten (BCFW) recursion relations can be used to compute all tree level scattering amplitudes in terms of 22 scattering amplitude in U(N) N=2 Chern-Simons (CS) theory coupled to matter in the fundamental representation. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.161601 arXiv:1710.04227
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2018-10-12
18:16
Mass Difference for Charged Quarks from Asymptotically Safe Quantum Gravity / Eichhorn, Astrid ; Held, Aaron
We propose a scenario to retrodict the top and bottom mass and the Abelian gauge coupling from first principles in a microscopic model including quantum gravity. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.151302 arXiv:1803.04027
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2018-10-12
18:16
Probing the Quantum Interference between Singly and Doubly Resonant Top-Quark Production in pp Collisions at s=13 TeV with the ATLAS Detector / Aaboud, M. ; Aad, G. ; Abbott, B. ; Abdinov, O. ; et al
This Letter presents a normalized differential cross-section measurement in a fiducial phase-space region where interference effects between top-quark pair production and associated production of a single top quark with a W boson and a b-quark are significant. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.152002 arXiv:1806.04667
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2018-10-10
18:16
First Monte Carlo Global QCD Analysis of Pion Parton Distributions / Barry, P. C. ; Sato, N. ; Melnitchouk, W. ; Ji, Chueng-Ryong
We perform the first global QCD analysis of parton distribution functions (PDFs) in the pion, combining πA Drell-Yan data with leading neutron electroproduction from HERA within a Monte Carlo approach based on nested sampling. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.152001 arXiv:1804.01965
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2018-10-09
18:16
Observation of the Zψ+ Decay in pp Collisions at s=13 TeV / Sirunyan, A. M. ; Tumasyan, A. ; Adam, W. ; Ambrogi, F. ; et al
This Letter presents the observation of the rare Z boson decay Zψ+. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.141801 arXiv:1806.04213
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2018-10-09
18:16
Search for Pair-Produced Resonances Each Decaying into at Least Four Quarks in Proton-Proton Collisions at s=13 TeV / Sirunyan, A. M. ; Tumasyan, A. ; Adam, W. ; Ambrogi, F. ; et al
This Letter presents the results of a search for pair-produced particles of masses above 100 GeV that each decay into at least four quarks. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.141802 arXiv:1806.01058
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2018-10-01
18:16
Line Defects and Radiation in N=2 Conformal Theories / Bianchi, Lorenzo ; Lemos, Madalena ; Meineri, Marco
We study the conformal data of a generic superconformal line defect preserving half of the supercharges in a four-dimensional N=2 conformal theory. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.141601 arXiv:1805.04111
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