Feasibility of tau g-2 measurements in ultra-peripheral collisions of heavy ions

N Burmasov, E Kryshen, P Buehler… - arXiv preprint arXiv …, 2022 - arxiv.org
ultra-peripheral collisions at the LHC provide a promising tool to measure the anomalous
magnetic moment of the τ lepton… two-photon luminosity in ultra-peripheral collisions. These …

Feasibility study of tau-lepton anomalous magnetic moment measurements with ultra-peripheral collisions at the LHC

P Bühler, N Burmasov, R Lavička… - EPJ Web of …, 2022 - epj-conferences.org
… The di-tau production process PbPb → PbPbγγ → PbPbττ contains two gamma-tau vertices
… feasibility of the aτ measurement in ultraperipheral collisions with the ALICE experiment and …

Observation of tau lepton pair production in ultraperipheral lead-lead collisions at sqrt (s_NN)= 5.02 TeV

S Belforte, V Candelise, M Casarsa, A DA ROLD… - Physical Review …, 2023 - arts.units.it
… the short τ lepton lifetime, which is of the order of 10−13 s, such that τ leptons cannot be …
Here, we present an observation of τ lepton pairs in ultraperipheral Pb-Pb collisions, γγ → τ+…

Feasibility Studies of Tau-Lepton Anomalous Magnetic Moment Measurements in Ultraperipheral Collisions at the LHC

N Burmasov, E Kryshen, P Bühler, R Lavicka - Physics of Particles and …, 2023 - Springer
… -by-light scattering in ultraperipheral collisions of lead nuclei … collisions also allow studying
production of lepton pairs [5–8]… collisions of nuclei at the LHC for measuring \(\tau \)-lepton

Recent results from ultra-peripheral lead-lead collisions with ATLAS

K Maj - 2024 - cds.cern.ch
tau-pair production measurements can constrain the anomalous magnetic dipole moment of
the tau lepton. … The measurement of charged hadron in photonuclear collisions using 5.02 …

Upcgen: A Monte Carlo simulation program for dilepton pair production in ultra-peripheral collisions of heavy ions

N Burmasov, E Kryshen, P Bühler, R Lavicka - Computer Physics …, 2022 - Elsevier
… Decays of the generated pair of tau leptons are simulated using either the Pythia 6 or the
Pythia 8 event generator [32], [33]; the user can choose between the two options. Parameters of …

Observation of lepton pair production in ultraperipheral lead-lead collisions at = 5.02 TeV

CMS collaboration - arXiv preprint arXiv:2206.05192, 2022 - arxiv.org
… We present an observation of photon-photon production of τ lepton pairs in ultraperipheral
lead-lead collisions. The measurement is based on a data sample with an integrated …

New physics and tau using LHC heavy ion collisions

L Beresford, J Liu - Physical Review D, 2020 - APS
tau leptons τ from ultraperipheral lead ion (Pb) collisions in two of the most common decay
modes: π+π0ντ and lνlντ. New physics can modify tau… in an ultra-peripheral collision recorded …

SISSA: Measuring tau g-2 using ATLAS Pb+ Pb collisions

W Stanek-Maslouska - PoS, 2024 - cds.cern.ch
… The process of 𝜏-lepton production in ultra-peripheral Pb+Pb collisions in the ATLAS detector
has been observed with a significance much exceeding 5 standard deviations, using 1.44 …

A study of the measurement of the lepton anomalous magnetic moment in high energy lead-lead collisions at LHC

M Verducci, N Vignaroli, C Roda… - arXiv preprint arXiv …, 2023 - arxiv.org
… flux from the lead beams in ultraperipheral collisions following the prescription in reference
[… τ+τ− cross section in ultra-peripheral Pb-Pb collisions can be expressed as the convolution: …