Essays about: "neutrino"

Showing result 16 - 20 of 76 essays containing the word neutrino.

1. 16. On Fermi-like neutrino acceleration in core-collapsesupernovae and around black hole formation, andthe evolution of observable neutrino flux duringproto-neutron star collapse

   University essay from Stockholms universitet/Institutionen för astronomi

   Author : Samuel Gullin; [2021]
   Keywords : core collapse black hole neutrino acceleration supernova;

   Abstract : Failed supernovae are the implosive final fates of massive stars, where ablack hole is formed. During the collapse, the proto-neutron star emits a huge number of neutrinos, and when the black hole is finally formed, it engulfs theneutrino-emitting material and the signal is cut off. READ MORE

3. 17. Assessment of Modern Statistical Modelling Methods for the Association of High-Energy Neutrinos to Astrophysical Sources

   University essay from KTH/Matematisk statistik

   Author : Valentin Minoz; [2021]
   Keywords : Statistics; Astrophysics; Neutrino sources; Mixture models; Monte Carlo methods; Maximum likelihood estimation; Statistik; Astrofysik; Neutrinokällor; Blandningsmodeller; Monte Carlo-metoder; Maximum likelihood-metoden;

   Abstract : The search for the sources of astrophysical neutrinos is a central open question in particle astrophysics. Thanks to substantial experimental efforts, we now have large-scale neutrino detectors in the oceans and polar ice. READ MORE

4. 18. Estimating progenitor mass and distance to Galactic Core-Collapse Supernova using neutrino observatory IceCube

   University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

   Author : Manne Segerlund; [2021]
   Keywords : Supernova neutrinos; Supernova detection; Multi-messenger astronomy;

   Abstract : Galactic core-collapse supernovae is a once-in-a-lifetime event which could carry with it information about new physics. In this work a method for estimating the progenitor mass and distance using the IceCube Neutrino Observatory is presented. The mass is expressed through an intermediate parameter called compactness. READ MORE

5. 19. Ghosts of Our Past: Neutrino Direction Reconstruction Using Deep Neural Networks

   University essay from Uppsala universitet/Högenergifysik

   Author : Sigfrid Stjärnholm; [2021]
   Keywords : neutrino; neural network; ICECUBE; AI; convolutional neural network; CNN; askaryan emission; charged current; neutral current; CC; NC; Keras; TensoFlow; neutrino; neuralt nätverk; ICECUBE; AI; askaryan emission; Keras; TensorFlow;

   Abstract : Neutrinos are the perfect cosmic messengers when it comes to investigating the most violent and mysterious astronomical and cosmological events in the Universe. The interaction probability of neutrinos is small, and the flux of high-energy neutrinos decreases quickly with increasing energy. READ MORE

6. 20. Sterile Neutrinos and Non-Standard Interactions in Neutrino Telescopes

   University essay from KTH/Fysik

   Author : Martin Sjöborg; [2021]
   Keywords : ;

   Abstract : The failure of the Standard Model of particle physics to predict neutrino masses invites us to amend it. We have no reason to believe that the interactions currently described by the gauge group are the whole picture, nor should we expect that the number of fermions hitherto observed is correct. READ MORE