Dark photons - PowerPoint PPT Presentation


Understanding the Components of an X-Ray Machine

An X-ray machine consists of vital components like the x-ray tube, power supply, cathode, and anode. The x-ray tube houses the cathode and anode, which are responsible for generating x-rays. The cathode includes a filament heated to emit electrons, while the anode has a target to convert electron en

5 views • 22 slides


Exploring Dark Sector Particles at Fermilab PIP-II and Beyond

The DAMSA experiment at Fermilab PIP-II aims to search for Dark Sector Particles (DSP) using a high-intensity proton beam facility. By focusing on Axion-like particles and employing specific physics strategies, DAMSA seeks to penetrate the low mass regime and discover rare particles in unexplored ki

6 views • 22 slides



Large Scale Structure Chapter 5

Simone Ferraro from Lawrence Berkeley National Laboratory discusses the significance of Cosmic Microwave Background (CMB) experiments in probing the large-scale structure of the universe. Covering topics like the interaction of photons with matter, CMB lensing, and CMB lensing tomography, this prese

3 views • 21 slides


Exploring the Composition of the Universe

The universe is a vast expanse consisting of various components. Only 0.4% comprises galaxies, while hydrogen, helium, protons, neutrons, and electrons make up 4%. The remaining 96% includes photons, neutrinos, dark matter, and dark energy. Photons, fundamental particles of light, exhibit different

0 views • 30 slides


Understanding Thermal Radiation and Stefan-Boltzmann Law

Thermal radiation is the electromagnetic radiation emitted by a body due to its temperature, propagating even in the absence of matter. The modern theory explains it as the propagation of photons with energy quantized by Planck's constant. Integrating over all wavelengths gives the Stefan-Boltzmann

0 views • 58 slides


Understanding Nd:YAG Laser and Its Applications

Nd:YAG laser is a solid-state laser system used in various applications due to its ability to generate laser light in the near-infrared region. This laser operates in a four-level system, with Nd:YAG crystal as the active medium. The construction, working principles, advantages, and applications of

0 views • 22 slides


Search for Dark Photons Utilizing Advanced Germanium Detectors at University of South Dakota

Research at the University of South Dakota under the collaboration PIRE-GEMADARC focuses on developing advanced germanium detectors with low energy thresholds for detecting low mass dark photons. The study aims to optimize event detection using new Ge detectors with internal charge amplification. Th

0 views • 16 slides


Understanding X-rays: Interaction with Matter in Diagnostic Imaging

X-rays, being photons traveling at the speed of light, interact with matter in various ways such as Coherent Scatter, Compton Scatter, Photoelectric Effect/Absorption, Pair Production, and Photodisintegration. These interactions involve exciting atoms, ionization, and energy transfer, influencing th

0 views • 9 slides


Understanding X-Ray Production and Interactions in Radiology

Explore the fundamentals of X-ray production, including the types of ionizing radiation and interactions of photons with matter. Learn about the photoelectric effect, Compton effect, and characteristics of X-ray tubes, essential for radiology professionals and students. Delve into the mechanisms beh

0 views • 17 slides


Understanding UV/Visible Spectroscopy and Electromagnetic Radiation

Spectroscopy is the study of the interaction of matter with light, specifically UV and visible radiation. Electromagnetic radiation, consisting of photons, transmits energy through space as waves with oscillating electric and magnetic fields. The relationship between wavelength and frequency is key,

0 views • 50 slides


Understanding X-Ray Film Processing Techniques

When a beam of photons exposes an X-ray film, it chemically alters the silver halide crystals, creating a latent image. Film processing involves developer, fixer, and a series of steps to convert the latent image into a visible radiographic image. The developer reduces silver ions in exposed crystal

0 views • 26 slides


Understanding Radioactivity and Nuclear Radiation

Radioactivity is the process in which unstable nuclei emit radiation, such as alpha, beta, or gamma particles, to become stable. This emission can change the element's identity and is crucial in fields like nuclear power and understanding Earth's core heat source. Different radioactive isotopes like

0 views • 12 slides


Understanding the Principle and Working of Semiconductor Lasers

Semiconductor lasers operate through absorption, spontaneous emission, and stimulated emission processes. Absorption of radiation causes electrons to jump to higher energy levels, leading to light emission. Spontaneous emission is when excited electrons return to ground state by emitting photons, wh

3 views • 17 slides


Exploring Quantum Chromodynamics and Effective Potential in Vacuum Physics

Delve into the intricacies of Quantum Chromodynamics and the concept of effective potential in the context of vacuum physics. Discover how quarks, leptons, photons, W and Z bosons, gluons, and the Higgs boson play crucial roles in shaping the fundamental structures of the quantum vacuum. Explore the

1 views • 11 slides


Evolution of Light Theory: From Wave Theory to Quantum Theory

At the turn of the century, the discovery of the photoelectric effect challenged the wave theory of light, leading to the development of the quantum theory by Max Planck and Albert Einstein. This new theory introduced the concept of discrete energy units known as quanta, bridging the gap between wav

1 views • 62 slides


Understanding Radiation Damage in Crystallography

Explore the impact of radiation damage on crystallography, focusing on dose proportional to photons per area rather than time or heat. Learn about MGy, radiation damage world records, crystal lifetime based on flux and dose, and self-calibrated damage limits. Discover insights from various studies a

0 views • 71 slides


Channeling 2014 - Summary of Hybrid Positron Source and Crystal Undulator Workshop

In Channeling 2014, a workshop was held discussing topics such as the hybrid positron source with granular converter, crystal undulator, and parametric X-ray radiation. The workshop presented the concept of a crystal radiator providing photons and an amorphous converter for positron production. Tech

0 views • 18 slides


Understanding Photodiodes: Operation, Types, and Symbols

A photodiode is a sensitive semiconductor device that converts light into electric current. Operating in reverse bias, it generates charge carriers in the depletion region using external energy sources such as light. Different types include PN junction, PIN, and avalanche photodiodes, each designed

1 views • 36 slides


Understanding Lasers in Periodontal Therapy

Laser technology in periodontal therapy harnesses the energy of photons to provide precise and effective treatment. Originally developed as MASER, the laser produces monochromatic, coherent light with unique properties such as directionality. Key components include the active medium, power supply, a

4 views • 58 slides


Understanding Lasers in Periodontics: A Comprehensive Overview

Lasers play a significant role in periodontics, offering precise treatment with minimal discomfort. The technology involves light amplification, stimulation of photons, emission processes, and properties of laser light. Classification of lasers based on active medium types is explored, along with sp

0 views • 30 slides


Unveiling Dark Matter Mysteries Through Dark Photons

Delve into the exploration of dark matter through the lens of dark photons in the galactic center and detectors. Uncover the enigmatic nature of dark matter, its interactions, existing constraints, and our model with fermionic dark matter and a dark photon mediator. Discover strategies to evade cons

0 views • 18 slides


Limits on Dark Energy Using Atom Interferometry - UC Berkeley Study

Research conducted by Paul Hamilton Müller's group at the University of California, Berkeley, focuses on using atom interferometry to explore dark energy. The study delves into screened scalar fields as dark energy, future reach with atom interferometry, known unknowns related to dark energy densit

0 views • 39 slides


Comparison of Hanbury Brown Twiss Effect for Bosons and Fermions

This study compares the Hanbury Brown Twiss (HB&T) effect for bosons and fermions, showcasing how different correlation functions apply to these particles in quantum systems. The analysis delves into the mathematical structures and order correlations for both bosons and fermions, illustrating the ph

0 views • 13 slides


Exploring Neutralino Dark Matter Mass Limits

Hajime Fukuda, along with researchers Shirai and Luo, conducted a study on the maximum mass of Neutralino dark matter particles. They investigated coannihilation effects and how colored sparticles can enhance LSP annihilation. The study delves into the implications for TeV-scale supersymmetry models

0 views • 39 slides


Understanding Filtration in Radiography

Filtration is a crucial process in radiography that involves eliminating undesirable low-energy photons to enhance image quality and reduce radiation dose to patients. This process involves using filters made of materials like aluminum to selectively absorb photons. Measurement of filtration is expr

0 views • 63 slides


Exploring Dark Matter and Fundamental Particles Research Updates

This collection of images and information delves into the research activities led by Mauro Raggi and P. Valente from Sapienza Università di Roma and INFN Roma. It discusses the challenges and possibilities in parameter space coverage, potential tests required for efficient extraction from electron

0 views • 11 slides


Exploring Dark Matter in Neutron Stars

Investigate the interaction of dark matter within neutron stars, comprising approximately 25% of the universe's total matter. The nature of dark matter assumptions, its distribution within neutron stars based on fermionic or bosonic properties, and the implications for self-interacting fermionic and

0 views • 22 slides


Topological Quintessence: Anomalous Cosmic Anisotropies and Dark Flow Directions

The consistency of Cold Dark Matter (CDM) with observational data has improved over the past decade, but tensions remain with various cosmic anomalies such as preferred anisotropy axes and dark flow directions. Topological Quintessence, a physical mechanism proposed by L. Perivolaropoulos and collab

0 views • 26 slides


Symposium on Positron Emission Tomography and Boron Neutron Capture Therapy Time-Over-Threshold Calibration in J-PET

The 3rd Symposium on Positron Emission Tomography and 1st Symposium on Boron Neutron Capture Therapy focused on Time-Over-Threshold calibration within the framework of J-PET. The event outlined experimental details, event selection, results, and key features of the Jagiellonian Positron Emission Tom

0 views • 35 slides


Photoproduction of Pionic Atoms at the Gamma Factory: Research Overview

Research conducted by V. V. Flambaum, J. Jin, and D. Budker at the Gamma Factory (GF) on photoproduction of pionic atoms is detailed in this content. It explores the formation of pionic atoms with negative pions orbiting the nucleus in a hydrogen-like system, emphasizing strong interaction effects a

0 views • 11 slides


Searching for Dark Photon Dark Matter with Cosmic Ray Antideuterons

Exploring the use of cosmic ray antideuterons for dark matter detection is a promising avenue in astrophysics. Antideuteron searches offer a low-background environment, making them ideal for detecting certain types of dark matter particles. Unlike antiproton searches, which face significant backgrou

0 views • 30 slides


Introduction to the Physics of Diagnostic X-Rays

The discovery of X-rays by W.C. Roentgen in 1895 was accidental, leading to a groundbreaking advancement in the field of radiology. X-ray photons are part of the electromagnetic spectrum and have applications in diagnostic radiology, radiation therapy, and nuclear medicine. The production of X-ray b

0 views • 30 slides


Exploring Strong Interaction Physics with 22 GeV Electrons at JLab

Investigate the nucleon and nuclei structure through inclusive electron scattering at 22 GeV, delving into formalisms and structure functions. Discussions on the Electron Ion Collider, nuclear PDFs, world data comparisons, and definitive proof of three-nucleon short-range correlations at Jefferson L

0 views • 21 slides


Understanding Bremmstrahlung and Characteristic X-Rays in Condensed Matter Physics

In condensed matter physics, Bremmstrahlung X-rays and characteristic X-rays are produced through different interactions of high-speed electrons with nuclei in target atoms. Bremmstrahlung radiation is generated when electrons slow down near the nucleus, while characteristic radiation is produced wh

0 views • 5 slides


Exploring Quantum Information through Polarization of Photons

Quantum information and photon polarization are explored in this detailed presentation featuring the ultimate quantum 2-state system. The content delves into the behavior of single photons at a quantum level, showcasing the intriguing properties and implications of quantum superposition in polarizat

1 views • 14 slides


Future Prospects in Dark Matter Research at Fermilab

Exploring new avenues in the realm of dark matter research, Fermilab stands at the forefront with potential upgrades to their detectors, such as the LZ and PICO-X. The presentation delves into the scientific criteria influencing the choice of detectors, the pursuit of understanding dark matter and d

0 views • 6 slides


Modern Physics Concepts in the 20th Century: Photons, Uncertainty, and Particle-Wave Duality

Modern physics in the 20th century blurred the lines between particles and waves, introducing concepts like photons, Heisenberg's uncertainty principle, and the dual nature of matter. Topics covered include the behaviors of electromagnetic waves, the photon concept, and the limitations of measuring

0 views • 23 slides


Exploring the Mysteries of Dark Matter and SuperWIMPs

Dark matter, detected only gravitationally, poses enigmatic characteristics and poses challenges in direct detection. Scientists search for interactions with particles, explore hypothetical undetectable forms, and consider production mechanisms. SuperWIMPs like NLSP and NLK decay into Dark Matter, k

0 views • 16 slides


Exploring Dark Atom Effects on Structure Formation in the Universe

Overwhelming evidence points towards the existence of dark matter in the universe, with various theoretical models such as OHe atoms and Glashow's EIMP model proposed to explain its nature. Dark OHe atoms, consisting of 2 charged particles bound with primordial He nuclei, offer a unique perspective

1 views • 8 slides


Dark Matter Search at Terascale Meeting in Strasbourg

Doojin Kim presents research on non-relativistic dark matter search, focusing on weakly interacting massive particles (WIMPs) and generic boosted dark matter (BDM) signatures at the Terascale Meeting in Strasbourg. The study explores various scenarios and production models for detecting elusive dark

0 views • 24 slides