2022-09-15 04:22 |
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2022-07-29 04:07 |
A parton branching with transverse momentum dependent splitting functions
/ Hautmann, F. (Antwerp U. ; CERN ; Oxford U.) ; Hentschinski, M. (Americas U., Puebla) ; Keersmaekers, L. (Antwerp U.) ; Kusina, A. (Cracow, INP) ; Kutak, K. (Cracow, INP) ; Lelek, A. (Antwerp U.)
Off-shell, transverse-momentum dependent splitting functions can be defined from the high-energy limit of partonic decay amplitudes. Based on these splitting functions, we construct Sudakov form factors and formulate a new parton branching algorithm. [...]
arXiv:2205.15873; CERN-TH-2022-087; IFJPAN-IV-2022-8.-
2022-05-31 - 8 p.
Fulltext: PDF;
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2022-07-19 04:48 |
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2022-07-13 04:01 |
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2022-07-01 06:29 |
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2022-06-09 04:08 |
Cosmology with the Redshift-Space Galaxy Bispectrum Monopole at One-Loop Order
/ Philcox, Oliver H.E. (Princeton U., Astrophys. Sci. Dept. ; Princeton, Inst. Advanced Study) ; Ivanov, Mikhail M. (Princeton, Inst. Advanced Study) ; Cabass, Giovanni (Princeton, Inst. Advanced Study) ; Simonović, Marko (CERN) ; Zaldarriaga, Matias (Princeton, Inst. Advanced Study) ; Nishimichi, Takahiro (Kyoto U., Yukawa Inst., Kyoto ; Tokyo U., IPMU)
We study the cosmological information content of the redshift-space galaxy bispectrum monopole at one-loop order in perturbation theory. We incorporate all effects necessary for comparison to data: fourth-order galaxy bias, infrared resummation (accounting for the non-linear evolution of baryon acoustic oscillations), ultraviolet counterterms, non-linear redshift-space distortions, stochastic contributions, projection, and binning effects. [...]
arXiv:2206.02800; CERN-TH-2022-092; YITP-22-60.-
2022-08-15 - 32 p.
- Published in : Phys. Rev. D 106 (2022) 043530
Fulltext: PhysRevD.106.043530 - PDF; 2206.02800 - PDF;
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2022-06-04 04:07 |
Axiogenesis with a Heavy QCD Axion
/ Co, Raymond T. (Minnesota U., Theor. Phys. Inst. ; Minnesota U.) ; Gherghetta, Tony (Minnesota U.) ; Harigaya, Keisuke (CERN)
We demonstrate that the observed cosmological excess of matter over antimatter may originate from a heavy QCD axion that solves the strong CP problem but has a mass much larger than that given by the Standard Model QCD strong dynamics. We investigate a rotation of the heavy QCD axion in field space, which is transferred into a baryon asymmetry through weak and strong sphaleron processes. [...]
arXiv:2206.00678; UMN-TH-4124/22; FTPI-MINN-22/15; CERN-TH-2022-090.-
2022-10-19 - 32 p.
- Published in : JHEP 2210 (2022) 121
Fulltext: document - PDF; 2206.00678 - PDF;
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2022-05-19 09:38 |
Single Photon Production at Hadron Colliders at NNLO QCD with Realistic Photon Isolation
/ Chen, X. (KIT, Karlsruhe, TP ; KIT, Karlsruhe, IAP) ; Gehrmann, T. (Zurich U.) ; Glover, E.W.N. (Durham U., IPPP) ; Höfer, M. (Munich U., ASC) ; Huss, A. (CERN) ; Schürmann, R. (Zurich U.)
Isolated photons at hadron colliders are defined by permitting only a limited amount of hadronic energy inside a fixed-size cone around the candidate photon direction. This isolation criterion admits contributions from collinear photon radiation off QCD partons and from parton-to-photon fragmentation processes. [...]
arXiv:2205.01516; ZU-TH 16/22; KA-TP-12-2022; P3H-22-044; IPPP/22/30; IPPP/22/30,
CERN-TH-2022-072; LMU-ASC 17/22; CERN-TH-2022-072.-
2022-08-05 - 43 p.
- Published in : JHEP 08 (2022) 094
Fulltext: 2205.01516 - PDF; document - PDF;
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2022-05-12 04:52 |
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2022-05-10 04:20 |
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