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Posledne pridané:
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. [...]
CERN-TH-2024-055 ; arXiv:2405.04569. - 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. [...]
CERN-TH-2024-052 ; MITP-24-047 ; MS-TP-24-09 ; arXiv:2405.04506. - 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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2024-04-27
05:39
Probing Neutral Triple Gauge Couplings via $\boldsymbol{Z\gamma\,(\ell^+\ell^-\gamma)}$ Production at $\boldsymbol{e^+e^-}$ Colliders / Liu, Danning (Shanghai Jiao Tong U.) ; Xiao, Rui-Qing (Shanghai Jiao Tong U. ; King's Coll. London) ; Li, Shu (Shanghai Jiao Tong U. ; Maryland U. ; Peking U., CHEP) ; Ellis, John (Shanghai Jiao Tong U. ; King's Coll. London ; CERN) ; He, Hong-Jian (Shanghai Jiao Tong U. ; Peking U., CHEP) ; Yuan, Rui (Shanghai Jiao Tong U.)
Neutral triple gauge couplings (nTGCs) are absent in the Standard Model (SM) and at the dimension-6 level in the Standard Model Effective Field Theory (SMEFT), arising first from dimension-8 operators. [...]
KCL-PH-TH/2024-18 ; CERN-TH-2024-046 ; arXiv:2404.15937. - 24 p.
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2024-04-27
05:39
Benchmark of deep-inelastic-scattering structure functions at $\mathcal{O}(\alpha_s^3)$ / Bertone, Valerio (IRFU, Saclay) ; Karlberg, Alexander (CERN)
We present a benchmark comparison of the massless inclusive deep-inelastic-scattering (DIS) structure functions up to $\mathcal{O}(\alpha_s^3)$ in perturbative QCD. [...]
arXiv:2404.15711 ; CERN-TH-2024-018. - 21 p.
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2024-04-25
07:27
$1/Q^2$ power corrections to TMD factorization for Drell-Yan hadronic tensor / Balitsky, Ian (Old Dominion U.)
I calculate ${1\over Q^2}$ power corrections to unpolarized Drell-Yan hadronic tensor for electromagnetic (EM) current at large $N_c$ and demonstrate the EM gauge invariance at this level..
arXiv:2404.15116 ; CERN-TH-2024-051 ; JLAB-THY-24-4014. - 68 p.
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2024-04-25
07:25
Energy correlations and Planckian collisions / Chen, Hao (Zhejiang U., Inst. Mod. Phys.) ; Karlsson, Robin (CERN) ; Zhiboedov, Alexander (CERN)
Energy correlations characterize the energy flux through detectors at infinity produced in a collision event. [...]
arXiv:2404.15056 ; CERN-TH-2024-050. - 75 p.
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2024-04-25
04:58
Resummation of combined QCD-electroweak effects in Drell Yan lepton-pair production / Buonocore, Luca (CERN) ; Rottoli, Luca (Zurich U.) ; Torrielli, Paolo (Turin U.)
We consider neutral- and charged-current Drell Yan lepton-pair production at hadron colliders, and include dominant classes of electroweak and mixed QCD-electroweak corrections to all orders in perturbation theory. [...]
arXiv:2404.15112 ; ZU-TH 21/24 ; CERN-TH-2024-045. - 23 p.
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2024-04-20
05:03
Two-loop integrals for $t \bar{t} +$jet production at hadron colliders in the leading colour approximation / Badger, Simon (INFN, Turin) ; Becchetti, Matteo (Bologna U. ; INFN, Bologna) ; Giraudo, Nicolò (Zurich U.) ; Zoia, Simone (CERN)
We compute the differential equations for the two remaining integral topologies contributing to the leading colour two-loop amplitudes for $pp \rightarrow t\bar{t}j$. [...]
arXiv:2404.12325 ; CERN-TH-2024-048 ; ZU-TH 22/24. - 22 p.
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