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Derniers ajouts:
2022-05-25
05:27
Transverse Mass Distribution and Charge Asymmetry in W Boson Production to Third Order in QCD / Chen, Xuan (KIT, Karlsruhe, TP ; KIT, Karlsruhe, IKP) ; Gehrmann, Thomas (Zurich U.) ; Glover, Nigel ; Huss, Alexander (CERN) ; Yang, Tong-Zhi ; Zhu, Hua Xing
Charged gauge boson production at hadron colliders is a fundamental benchmark for the extraction of electroweak parameters and the understanding of the proton structure. [...]
arXiv:2205.11426 ; IPPP/22/32 ; ZU-TH 19/22 ; P3H-22-055 ; KA-TP-15-2022 ; CERN-TH-2022-083. - 5 p.
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2022-05-23
10:42
Dynamically restoring conformal invariance in (integrable) $\sigma$-models / Aliaj, Rigers (Athens U.) ; Sfetsos, Konstantinos (Athens U. ; CERN) ; Siampos, Konstantinos (Athens U.)
Integrable $\lambda$-deformed $\sigma$-models are characterized by an underlying current algebra/coset model CFT deformed, at the infinitesimal level, by current/parafermion bilinears. [...]
arXiv:2205.09143 ; CERN-TH-2022-082. - 37 p.
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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. [...]
arXiv:2205.01516 ; ZU-TH 16/22 ; KA-TP-12-2022 ; P3H-22-044 ; IPPP/22/30 ; LMU-ASC 17/22 ; CERN-TH-2022-072. - 43 p.
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2022-05-12
04:52
dE/dx from boosted long-lived particles / Giudice, Gian F. (CERN) ; McCullough, Matthew ; Teresi, Daniele
At colliders massive long-lived charged particles could be revealed through their anomalously large ionisation energy loss $dE/dx$. [...]
arXiv:2205.04473 ; CERN-TH-2022-078. - 16 p.
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2022-05-12
04:51
The last Complex WIMPs standing / Bottaro, Salvatore ; Buttazzo, Dario ; Costa, Marco ; Franceschini, Roberto ; Panci, Paolo ; Redigolo, Diego ; Vittorio, Ludovico
We continue the study of weakly interacting massive particles (WIMP) started in [arXiv:2107.09688], focusing on a single complex electroweak $n$-plet with non-zero hypercharge added to the Standard Model. [...]
arXiv:2205.04486 ; CERN-TH-2022-080. - 15 p.
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2022-05-10
04:20
Higher-curvature Gravities from Braneworlds and the Holographic c-theorem / Bueno, Pablo (CERN) ; Emparan, Roberto (ICREA, Barcelona ; Barcelona, Autonoma U. ; ICC, Barcelona U.) ; Llorens, Quim
We study the structure of the higher-curvature gravitational densities that are induced from holographic renormalization in AdS$_{d+1}$. [...]
arXiv:2204.13421 ; CERN-TH-2022-076. - 28 p.
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2022-05-07
04:12
On the NLO QCD Corrections to Gluon-Initiated ZH Production / Degrassi, Giuseppe (CERN ; Rome III U. ; INFN, Rome3) ; Gröber, Ramona (Padua U. ; INFN, Padua) ; Vitti, Marco (Rome III U. ; INFN, Rome3) ; Zhao, Xiaoran (Rome III U. ; INFN, Rome3)
We compute the QCD corrections at next-to-leading order for the process $gg \rightarrow ZH$, including both the virtual two-loop terms and real-emission contributions. [...]
arXiv:2205.02769 ; CERN-TH-2022-079. - 19 p.
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2022-05-07
04:12
Photon emissivity of the quark-gluon plasma: a lattice QCD analysis of the transverse channel / Cè, Marco (U. Bern, AEC ; Bern U. ; CERN) ; Harris, Tim (Edinburgh U.) ; Krasniqi, Ardit (U. Mainz, PRISMA) ; Meyer, Harvey B. (U. Mainz, PRISMA ; Helmholtz Inst., Mainz ; Darmstadt, GSI) ; Török, Csaba (U. Mainz, PRISMA)
We present results for the thermal photon emissivity of the quark-gluon plasma derived from spatially transverse vector correlators computed in lattice QCD at a temperature of 250 MeV. [...]
arXiv:2205.02821 ; MITP-22-032 ; CERN-TH-2022-070. - 26 p.
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2022-05-07
04:12
PBH assisted search for QCD axion dark matter / Choi, Gongjun (CERN) ; Schiappacasse, Enrico D. (Jyvaskyla U. ; Helsinki Inst. of Phys. ; Rice U.)
The entropy production prior to BBN era is one of ways to prevent QCD axion with the decay constant $F_{a}\in[10^{12}{\rm GeV},10^{16}{\rm GeV}]$ from overclosing the universe when the misalignment angle is $\theta_{\rm i}=\mathcal{O}(1)$. [...]
arXiv:2205.02255 ; CERN-TH-2022-077. - 18 p.
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2022-05-06
04:08
Inflationary Gravitational Leptogenesis / Co, Raymond T. (Minnesota U., Theor. Phys. Inst.) ; Mambrini, Yann (IJCLab, Orsay) ; Olive, Keith A. (Minnesota U., Theor. Phys. Inst.)
We consider the generation of the baryon asymmetry in models with right-handed neutrinos produced through gravitational scattering of the inflaton during reheating. [...]
arXiv:2205.01689 ; CERN-TH-2022-071 ; UMN-TH-4121/22 ; FTPI-MINN-22/12. - 6 p.
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