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TH Preprints
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2024-05-25
05:16
Determining $\alpha_s(m_Z)$ from Thrust with Power Corrections
/
Benitez-Rathgeb, Miguel A.
(Salamanca U., IUFFyM) ;
Hoang, André H.
(Vienna U.) ;
Mateu, Vicent
(Salamanca U., IUFFyM) ;
Stewart, Iain W.
(MIT, Cambridge, CTP) ;
Vita, Gherardo
(CERN)
We update and extend a previous N$^3$LL$^\prime$+${\cal O}(\alpha_s^3)$ strong coupling determination from thrust data.
[...]
arXiv:2405.14380
;
MIT/CTP-5723
;
CERN-TH-2024-063
;
UWThPh 2024-12
.
- 4 p.
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2024-05-23
04:54
Gravitational Wave-Induced Freeze-In of Fermionic Dark Matter
/
Maleknejad, Azadeh
(King's Coll. London) ;
Kopp, Joachim
(CERN ; Mainz U., Inst. Phys. ; U. Mainz, PRISMA)
The minimal coupling of massless fermions to gravity does not allow for their gravitational production solely based on the expansion of the Universe.
[...]
arXiv:2405.09723
;
KCL-PH-TH/2024-28
;
CERN-TH-2024-061
;
MITP-24-050
.
- 6 p.
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2024-05-16
04:22
In Search of the Biggest Bangs since the Big Bang
/
Ellis, John
;
Fairbairn, Malcolm
;
Urrutia, Juan
;
Vaskonen, Ville
Many galaxies contain supermassive black holes (SMBHs), whose formation and history raise many puzzles.
[...]
KCL-PH-TH/2024-27
;
CERN-TH-2024-058
;
AION-REPORT/2024-04
;
arXiv:2405.08522
.
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2024-05-16
04:17
Status of Dark Photons
/
Cline, James M.
(CERN ; McGill U.)
I review recent developments in the field of dark photons-here taken to be U(1) gauge bosons with mass less than the Z-including both kinetically mixed vectors and those that couple to anomaly-free U(1)'s.
[...]
arXiv:2405.08534
;
CERN-TH-2024-060 CERN-TH-2024-060 CERN-TH-2024-060 CERN-TH-2024-060 CERN-TH-2024-060 CERN-TH-2024-060CERN-TH-2024-060 CERN-TH-2024-060
.
- 8 p.
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2024-05-16
04:17
Lepton-Pair Scattering With an Off-Shell and an On-Shell Photon at Two Loops in Massless QED
/
Zoia, Simone
(CERN)
I present the computation of the two-loop amplitudes for the scattering of a lepton pair with an off-shell and an on-shell photon in massless QED.
[...]
arXiv:2405.08750
;
CERN-TH-2024-059
.
- 4 p.
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2024-05-16
04:17
Giving a $KO$ to 8D Gauge Anomalies
/
Torres, Ethan
(CERN)
In \cite{Garcia-Etxebarria:2017crf}, it was found that the system of $k$ D7-branes probing an $O7^+$-plane suffers from an $\mathfrak{sp}(k)$ gauge anomaly when $k>1$.
[...]
CERN-TH-2024-054
;
arXiv:2405.08809
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- 16 p.
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2024-05-11
21:19
Baryon-number -flavor separation in the topological expansion of QCD
/
Frenklakh, David
(SUNY, Stony Brook) ;
Kharzeev, Dmitri
(SUNY, Stony Brook ; Brookhaven) ;
Rossi, Giancarlo
(INFN, Rome ; Enrico Fermi Ctr., Rome) ;
Veneziano, Gabriele
(CERN ; College de France)
Gauge invariance of QCD dictates the presence of string junctions in the wave functions of baryons.
[...]
arXiv:2405.04569
;
CERN-TH-2024-055
.
- 27 p.
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2024-05-09
04:49
$\mathrm{D}$ and $\mathrm{D_s}$ decay constants in $N_{\rm f}=2+1$ QCD with Wilson fermions
/
Kuberski, Simon
(CERN ; Mainz U., Inst. Phys. ; Darmstadt, GSI) ;
Joswig, Fabian
(Edinburgh U.) ;
Collins, Sara
(Regensburg U.) ;
Heitger, Jochen
(Munster U., ITP) ;
Söldner, Wolfgang
(Regensburg U.)
We present results for the leptonic decay constants of the D and D$_{\rm s}$ mesons from $N_{\rm f}=2+1$ lattice QCD.
[...]
arXiv:2405.04506
;
CERN-TH-2024-052
;
MITP-24-047
;
MS-TP-24-09
.
- 44 p.
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2024-05-03
04:13
Two-loop mixed QCD-EW corrections to charged current Drell-Yan
/
Armadillo, Tommaso
(Louvain U., CP3 ; Milan U.) ;
Bonciani, Roberto
(Rome U.) ;
Devoto, Simone
(Milan U. ; Gent U.) ;
Rana, Narayan
(NISER, Jatni) ;
Vicini, Alessandro
(Milan U. ; CERN)
We present the two-loop mixed strong-electroweak virtual corrections to the charged current Drell-Yan process.
[...]
TIF-UNIMI-2024-3
;
CERN-TH-2024-047
;
arXiv:2405.00612
.
- 26 p.
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2024-05-02
04:24
AGN constraints on neutrino-dark matter scattering
/
Cline, James M.
(CERN ; McGill U.)
The IceCube collaboration has identified neutrinos of energy $\sim 10-100$ TeV from the blazar TXS 0506+056 and the active galaxy NGC 1068, which must have traveled through a dense dark matter spike surrounding the supermassive black holes that power the galactic nuclei.
[...]
arXiv:2404.19471
;
CERN-TH-2024-053
.
- 1 p.
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