Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

The Thermodynamics of Mixing

The Thermodynamics of Mixing

Mixing is a fascinating phenomenon in thermodynamics, particularly when considering the Gibbs energy of a mixture at constant temperature and pressure. This energy, denoted as G, tends to decrease during spontaneous mixing processes, offering insights into the composition changes that occur.Imagine two ideal gases, initially separated in different containers, with amounts nA and nB, respectively, both at a temperature T and pressure p. The chemical potentials of these gases have their 'pure'...

Fermi Level Dynamics

Fermi Level Dynamics

The vacuum level denotes the energy threshold required for an electron to escape from a material surface. It is usually positioned above the conduction band of a semiconductor and acts as a benchmark for comparing electron energies within various materials.
Electron affinity in semiconductors refers to the energy gap between the minimum of its conduction band and the vacuum level and it is a critical parameter in determining how easily a semiconductor can accept additional electrons.
The work...

Nuclear Overhauser Enhancement (NOE)

Nuclear Overhauser Enhancement (NOE)

Irradiation of a spin-active nucleus causes an increase or decrease in the signal intensity of neighboring nuclei that are not necessarily chemically bonded or involved in J-coupling. This phenomenon, called the nuclear Overhauser enhancement (NOE), results from through-space interactions between the nuclear spins. The NOE effect decreases with increasing internuclear distance and is generally not observed beyond 4 angstroms. In NOE, dipole-dipole interactions between neighboring spin-active...

Molecular Orbital Theory II

Molecular Orbital Theory II

Molecular Orbital Energy Diagrams

Atomic Nuclei: Nuclear Spin State Population Distribution

Atomic Nuclei: Nuclear Spin State Population Distribution

Near absolute zero temperatures, in the presence of a magnetic field, the majority of nuclei prefer the lower energy spin-up state to the higher energy spin-down state. As temperatures increase, the energy from thermal collisions distributes the spins more equally between the two states. The Boltzmann distribution equation gives the ratio of the number of spins predicted in the spin −½ (N−) and spin +½ (N+) states.

¹H NMR: Interpreting Distorted and Overlapping Signals

¹H NMR: Interpreting Distorted and Overlapping Signals

Spin systems where the difference in chemical shifts of the coupled nuclei is greater than ten times J are called first-order spin systems. These nuclei are weakly coupled, and their chemical shifts and coupling constant can generally be estimated from the well-separated signals in the spectrum.
As Δν decreases and the signals move closer, the doublets appear increasingly distorted. The intensities of the inner lines increase at the cost of those of the outer lines as the signals are slanted or...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Features of Fabrication of Titanium Dioxide Based Coatings for Non-Lithographic Template Electrochemical Synthesis of Micron Metal Particle Arrays.

Gels (Basel, Switzerland)·2021

Same author

Explanation for the low flux of high-energy astrophysical muon neutrinos.

Physical review letters·2013

Same author

Determination of weak amplitudes using Bose symmetry and Dalitz plots.

Physical review letters·2012

Same author

Unitary parametrization of perturbations to tribimaximal neutrino mixing.

Physical review letters·2008

Same author

Method for determining the D0-D0 mixing parameters.

Physical review letters·2008

Same author

Pseudo-dirac neutrinos: a challenge for neutrino telescopes.

Physical review letters·2004

Search research articles

Related Experiment Video

Updated: Jul 14, 2026

Setting Limits on Supersymmetry Using Simplified Models

Setting Limits on Supersymmetry Using Simplified Models

Published on: November 15, 2013

New physics contributions to the lifetime difference in D0-D0 mixing.

Eugene Golowich¹, Sandip Pakvasa, Alexey A Petrov

¹Department of Physics, University of Massachusetts, Amherst, Massachusetts 01003, USA.

Physical Review Letters

|May 16, 2007

Summary

New Physics contributions to the D0-D0bar lifetime difference can be significant, even if currently undetectable. This difference, DeltaGamma(D), offers a promising avenue for indirect New Physics searches.

More Related Videos

Preparing an Isotopically Pure 229Th Ion Beam for Studies of 229mTh

Preparing an Isotopically Pure ²²⁹Th Ion Beam for Studies of ^229mTh

Published on: May 3, 2019

Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing

Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing

Published on: December 3, 2013

Related Experiment Videos

Last Updated: Jul 14, 2026

Setting Limits on Supersymmetry Using Simplified Models

Setting Limits on Supersymmetry Using Simplified Models

Published on: November 15, 2013

Preparing an Isotopically Pure 229Th Ion Beam for Studies of 229mTh

Preparing an Isotopically Pure ²²⁹Th Ion Beam for Studies of ^229mTh

Published on: May 3, 2019

Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing

Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing

Published on: December 3, 2013

Area of Science:

Particle Physics
High Energy Physics
Beyond Standard Model Physics

Background:

The D0-D0bar system is a key area for exploring particle physics beyond the Standard Model.
Understanding the lifetime difference, DeltaGamma(D), is crucial for probing new physics phenomena.

Purpose of the Study:

To perform the first general analysis of New Physics (NP) contributions to the D0-D0bar lifetime difference (DeltaGamma(D)).
To investigate if NP contributions to |DeltaC|=1 processes can dominate DeltaGamma(D) in the flavor SU(3) limit.

Main Methods:

Theoretical analysis of New Physics contributions to D0-D0bar mixing.
Exploration of specific New Physics models and their impact on DeltaGamma(D).

Main Results:

New Physics contributions to |DeltaC|=1 processes can dominate DeltaGamma(D) in the flavor SU(3) limit.
Sizable effects in DeltaGamma(D) are possible for realistic light quark masses, even if NP is currently undetectable in D0 decay experiments.

Conclusions:

The D0-D0bar lifetime difference (DeltaGamma(D)) is a viable observable for indirect searches of New Physics.
Future studies of DeltaGamma(D) can provide crucial insights into physics beyond the Standard Model.