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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 (INFN, Rome3 ; Rome III U.) ; Gröber, Ramona ; Vitti, Marco ; Zhao, Xiaoran
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 ; Meyer, Harvey B. (U. Mainz, PRISMA ; Helmholtz Inst., Mainz ; Darmstadt, GSI) ; Török, Csaba
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 ; Olive, Keith A.
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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2022-05-04
07:47
Brill-Noether-general of Limit Root Bundles: Absence of vector-like Exotics in F-theory Standard Models / Bies, Martin (Pennsylvania U.) ; Cvetič, Mirjam (Pennsylvania U. ; Maribor U. ; CERN) ; Donagi, Ron ; Ong, Marielle
Root bundles appear prominently in studies of vector-like spectra of 4d F-theory compactifications. [...]
arXiv:2205.00008 ; UPR-1319-T ; CERN-TH-2022-073. - 34 p.
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2022-05-04
07:38
Charge transfer between rotating complex scalar fields / Domcke, Valerie (CERN ; EPFL, Lausanne, LPPC) ; Harigaya, Keisuke (CERN ; Tokyo U., IPMU) ; Mukaida, Kyohei (KEK, Tsukuba ; Sokendai, Tsukuba)
We consider the transfer of a U(1) charge density between Bose-Einstein condensates of complex scalar fields coupled to a thermal bath, focusing on the case of a homogeneous Affleck-Dine field transmitting the charge stored in its angular motion to an axion field. [...]
arXiv:2205.00942 ; CERN-TH-2022-075 ; KEK-TH-2422. - 31 p.
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2022-04-28
04:03
Bootstrapping a Stress-Tensor Form Factor through Eight Loops / Dixon, Lance J. (SLAC) ; Gurdogan, Omer ; McLeod, Andrew J. ; Wilhelm, Matthias
We bootstrap the three-point form factor of the chiral stress-tensor multiplet in planar $\mathcal{N}=4$ supersymmetric Yang-Mills theory at six, seven, and eight loops, using boundary data from the form factor operator product expansion. [...]
arXiv:2204.11901 ; SLAC-PUB-17653 ; CERN-TH-2022-039. - 44 p.
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