SCOAP3 Repository 11 records found  1 - 10nextSearch took 0.01 seconds. 
1. Combined explanations of (g2)μ,e and implications for a large muon EDM / Crivellin, Andreas ; Hoferichter, Martin ; Schmidt-Wellenburg, Philipp
With the long-standing tension between experiment and standard-model (SM) prediction in the anomalous magnetic moment of the muon, aμ=(g2)μ/2, at the level of 34σ, it is natural to ask if there could be a sizable effect in the electric dipole moment (EDM) dμ as well. [...]
Published in Physical Review D 98 (2018) 10.1103/PhysRevD.98.113002 arXiv:1807.11484
2. Dispersion relation for hadronic light-by-light scattering: pion pole / Hoferichter, Martin ; Hoid, Bai-Long ; Kubis, Bastian ; Leupold, Stefan ; et al
The pion-pole contribution to hadronic light-by-light scattering in the anomalous magnetic moment of the muon ( g − 2) μ is fully determined by the doubly-virtual pion transition form factor. [...]
Published in JHEP 1810 (2018) 141 10.1007/JHEP10(2018)141 arXiv:1808.04823
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3. 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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4. No-Go Theorem for Nonstandard Explanations of the τKSπντ CP Asymmetry / Cirigliano, Vincenzo ; Crivellin, Andreas ; Hoferichter, Martin
The CP asymmetry in τKSπντ, as measured by the BABAR collaboration, differs from the standard model prediction by 2.8σ. [...]
Published in Phys. Rev. Lett. 120 (2018) 10.1103/PhysRevLett.120.141803 arXiv:1712.06595
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5. Dispersion relation for hadronic light-by-light scattering: two-pion contributions / Colangelo, Gilberto ; Hoferichter, Martin ; Procura, Massimiliano ; Stoffer, Peter
In this third paper of a series dedicated to a dispersive treatment of the hadronic light-by-light (HLbL) tensor, we derive a partial-wave formulation for two-pion intermediate states in the HLbL contribution to the anomalous magnetic moment of the muon ( g − 2) μ , including a detailed discussion of the unitarity relation for arbitrary partial waves. [...]
Published in JHEP 1704 (2017) 161 10.1007/JHEP04(2017)161 arXiv:1702.07347
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6. Remarks on the pion–nucleon σ -term / Hoferichter, Martin ; Ruiz de Elvira, Jacobo ; Kubis, Bastian ; Meißner, Ulf-G.
The pion–nucleon σ -term can be stringently constrained by the combination of analyticity, unitarity, and crossing symmetry with phenomenological information on the pion–nucleon scattering lengths. [...]
Published in Physics letters B (2016) 10.1016/j.physletb.2016.06.038
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7. Dispersion relation for hadronic light-by-light scattering: theoretical foundations / Colangelo, Gilberto ; Hoferichter, Martin ; Procura, Massimiliano ; Stoffer, Peter
In this paper we make a further step towards a dispersive description of the hadronic light-by-light (HLbL) tensor, which should ultimately lead to a data-driven evaluation of its contribution to ( g − 2) μ . [...]
Published in JHEP 1509 (2015) 074 10.1007/JHEP09(2015)074 arXiv:1506.01386
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8. Light stops, blind spots, and isospin violation in the MSSM / Crivellin, Andreas ; Hoferichter, Martin ; Procura, Massimiliano ; Tunstall, Lewis
In the framework of the MSSM, we examine several simplified models where only a few superpartners are light. [...]
Published in JHEP 1507 (2015) 129 10.1007/JHEP07(2015)129 arXiv:1503.03478
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9. Chiral power counting of one- and two-body currents in direct detection of dark matter / Hoferichter, Martin ; Klos, Philipp ; Schwenk, Achim
We present a common chiral power-counting scheme for vector, axial-vector, scalar, and pseudoscalar WIMP–nucleon interactions, and derive all one- and two-body currents up to third order in the chiral expansion. [...]
Published in Physics letters B 746 (2015) 410-416 10.1016/j.physletb.2015.05.041
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10. Towards a data-driven analysis of hadronic light-by-light scattering / Colangelo, Gilberto ; Hoferichter, Martin ; Kubis, Bastian ; Procura, Massimiliano ; et al
The hadronic light-by-light contribution to the anomalous magnetic moment of the muon was recently analyzed in the framework of dispersion theory, providing a systematic formalism where all input quantities are expressed in terms of on-shell form factors and scattering amplitudes that are in principle accessible in experiment. [...]
Published in Physics letters B 738 (2014) 6-12 10.1016/j.physletb.2014.09.021
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