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PRODID:-//Department of Theoretical Physics - ECPv6.5.1.5//NONSGML v1.0//EN
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X-ORIGINAL-URL:https://web-f1.ijs.si
X-WR-CALDESC:Events for Department of Theoretical Physics
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TZID:Europe/Ljubljana
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TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20230326T010000
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TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20231029T010000
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BEGIN:VEVENT
DTSTART;TZID=Europe/Ljubljana:20230606T140000
DTEND;TZID=Europe/Ljubljana:20230606T150000
DTSTAMP:20260426T013619
CREATED:20230515T105656Z
LAST-MODIFIED:20230606T122044Z
UID:8606-1686060000-1686063600@web-f1.ijs.si
SUMMARY:Tanmoy Sarkar: "Graph vertex model"
DESCRIPTION:I will present a new approach to studying epithelial mechanics\, which is based on representing the tissue structure by a graph. Additionally\, I will demonstrate the implementation of this approach within a custom computational framework\, neoVM.\nhttps://indico.ijs.si/event/1645/
URL:https://web-f1.ijs.si/event/tanmoy-sarkar-tba/
LOCATION:Z9/0-0 – F1 čajnica (Jamova)
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Ljubljana:20230608T140000
DTEND;TZID=Europe/Ljubljana:20230608T150000
DTSTAMP:20260426T013619
CREATED:20230524T201236Z
LAST-MODIFIED:20230608T124319Z
UID:9088-1686232800-1686236400@web-f1.ijs.si
SUMMARY:Purushottam Sahu: Neutrinoless double beta decay in a left-right symmetric model with a double seesaw mechanism
DESCRIPTION:We discuss a left-right (L-R) symmetric model with the double seesaw mechanism at the TeV scale generating Majorana masses for the active left-handed (LH) flavour neutrinos$ u_{alpha L}$ and the heavy right-handed (RH) neutrinos $N_{beta R}$\, $alpha\,beta = e\,mu\,tau$\, which in turn\nmediate lepton number violating processes\, including neutrinoless double beta decay. The Higgs sector is composed of two Higgs doublets $H_L$\, $H_R$ and a bi-doublet $Phi$. The fermion sector has the usual for the L-R symmetric models quarks and leptons\, along with three $SU(2)$ singlet fermion $S_{gamma L}$. The choice of bare Majorana mass term for these sterile fermions induces large Majorana masses for the heavy RH neutrinos leading to two sets of heavy Majorana particles $N_j$ and $S_k$\, $j\,k=1\,2\,3$\, with masses $m_{N_j} ll m_{S_k}$. Working with a specific version of the model in which the $ u_{alpha L} – N_{beta R}$ and the $N_{beta R} – S_{gamma L}$ Dirac mass terms are diagonal\, and assuming that $m_{N_j} sim (1 – 1000)$ GeV and ${rm max}(m_{S_k}) sim (1 – 10)$ TeV\, $m_{N_j} ll m_{S_k}$\, we study in detail the new “non-standard” contributions to the $0 ubetabeta$ decay amplitude and half-life arising due to the exchange of virtual $N_j$ and $S_k$. We find that in both cases of NO and IO light neutrino mass spectra\, these contributions are strongly enhanced and are dominant at relatively small values of the lightest neutrino mass $m_{1(3)} sim (10^{-4} – 10^{-2})$ eV over the light Majorana neutrino exchange contribution. In large part of the parameter space\, the predictions of the model for the $0 ubetabeta$ decay generalised effective Majorana mass and half-life are within the sensitivity range of the planned next generation of neutrinoless double beta decay experiments LEGEND-200 (LEGEND-1000)\, nEXO\, KamlAND-Zen-II\, CUPID\, NEXT-HD.\nhttps://indico.ijs.si/event/1692/
URL:https://web-f1.ijs.si/event/purushottam-sahu-neutrinoless-double-beta-decay-in-a-left-right-symmetric-model-with-a-double-seesaw-mechanism/
LOCATION:https://zoom.us/j/3601731049?pwd=bVNQRjUxU2ExZ0cveWcxYXNUUGdjZz09 (F1 tea room)
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BEGIN:VEVENT
DTSTART;TZID=Europe/Ljubljana:20230615T140000
DTEND;TZID=Europe/Ljubljana:20230615T150000
DTSTAMP:20260426T013619
CREATED:20230515T105656Z
LAST-MODIFIED:20230615T115609Z
UID:8608-1686837600-1686841200@web-f1.ijs.si
SUMMARY:Biophysics Journal Club: Veronika Bukina\, "Mexican jumping beans exhibit diffusive motion"
DESCRIPTION:American physicists investigated the statistical properties of the movements of Mexican jumping beans (the so-called boxes of Sebastiania pavoniana\, which set the larvae of the leaflet growing in them in motion) in the absence of a temperature gradient. It turned out that in this case the motion is well described by the random walk model. The authors showed that such a strategy is more successful in finding the shadow than blind directional movement.\nhttps://indico.ijs.si/event/1643/
URL:https://web-f1.ijs.si/event/veronika-bukina-tba/
LOCATION:Seminar room of physics (106) (IJS)
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Ljubljana:20230615T140000
DTEND;TZID=Europe/Ljubljana:20230615T150000
DTSTAMP:20260426T013619
CREATED:20230524T134740Z
LAST-MODIFIED:20230615T125117Z
UID:9073-1686837600-1686841200@web-f1.ijs.si
SUMMARY:Santiago Tanco: Exploring unsupervised top tagging using Bayesian inference
DESCRIPTION:Identifying hadronically decaying top-quark jets in a sample of jets is an important task in many LHC searches. Although there are outstanding supervised algorithms\, their construction and expected performance rely on Monte Carlo simulations. After introducing the general framework of Bayesian inference over mixture models\, I will present some results on the development of two simple unsupervised top tagging algorithms based on these techniques. \nhttps://indico.ijs.si/event/1691/
URL:https://web-f1.ijs.si/event/santiago-tanco-exploring-unsupervised-top-tagging-using-bayesian-inference/
LOCATION:https://zoom.us/j/3601731049?pwd=bVNQRjUxU2ExZ0cveWcxYXNUUGdjZz09 (F1 tea room)
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Ljubljana:20230622T140000
DTEND;TZID=Europe/Ljubljana:20230622T150000
DTSTAMP:20260426T013619
CREATED:20230515T105656Z
LAST-MODIFIED:20230622T125420Z
UID:8609-1687442400-1687446000@web-f1.ijs.si
SUMMARY:Biophysics Journal Club: Marin Šako\, "Tensile strength of water with organic impurities"
DESCRIPTION:https://indico.ijs.si/event/1648/
URL:https://web-f1.ijs.si/event/marin-sako-tba/
LOCATION:Z9/0-0 – F1 čajnica (Jamova)
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Ljubljana:20230629T140000
DTEND;TZID=Europe/Ljubljana:20230629T150000
DTSTAMP:20260426T013619
CREATED:20230515T105656Z
LAST-MODIFIED:20230629T124131Z
UID:8607-1688047200-1688050800@web-f1.ijs.si
SUMMARY:Fabio Staniscia\, "Tolman length and anomalous adsorption at curved interfaces"
DESCRIPTION:We investigate\, by using molecular dynamics simulations\, the effect of curvature on the interfacial properties of pure water and  water-alcohol solutions. For the pure water case we can calculate the Tolman length\, which characterizes the dependence of surface tension on curvature\, using different methods\, while in the case of solutions\, we show that curvature affects also the adsoprtion propetries. We interpret these results as an effect of Tolman length.\nhttps://indico.ijs.si/event/1646/
URL:https://web-f1.ijs.si/event/fabio-staniscia-tba/
LOCATION:Z9/0-0 – F1 čajnica (Jamova)
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