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Topics in Nuclear Physics
Particle jets arise from quarks or gluons
scattered with large momentum transfer. In heavy ion collisions
the scattered quarks and gluons traverse matter and should lose a
large amount of energy if the density is high. Jet quenching was recently
observed in PHENIX. Discuss the result, focusing on either
theoretical or experimental aspects.
J/Psi suppression, a signature for deconfinement of quarks:
In collisions of heavy ions fewer J/psi mesons are produced than expected
from summing independent nucleon-nucleon collisions. This was predicted
as a signature of quark-gluon plasma formation. Briefly describe the concept
of quark gluon plasma. Discuss the mechanism of suppression of the J/psi and
Statistical Mechanics of Nuclear Collisions:
The number and spectra of particles produced in heavy ion collisions
is well described by statistical emission from an equilibrated gas of
hadrons. Data indicate that hadrons decouple at a temperature near
170 MeV, near the QCD phase transition between quarks and hadrons.
Describe the measurements, statistical analysis and interpretation.
Shuryak, Prakash, Jacak, Hemmick
The space-time extent of the collision region formed in nuclear
reactions can be studied by measuring the interference between
two identical outgoing particles. Measurements at RHIC show a
surprise: the sizes are no larger than at lower energy,
even though RHIC produces more particles and more explosive collisions.
Explain the technique and discuss the recent results.
Jacak, Hemmick, Brown, Shuryak
Elliptic Flow of Matter The high particle multiplicity in heavy
ion collisions produces high pressure and non-isotropic particle emission
patterns. The anisotropy at RHIC is large and indicates rapid equilibration
followed by hydrodynamic expansion. Discuss the phenomenon and to what
extent it indicates quark gluon plasma formation.
Where are the quarks inside nuclei? Discuss scattering of
leptons from nuclei and dilepton production via the Drell-Yan process
to probe quark and antiquark distributions. What do we learn from such
data about the quark structure functions, and what is the effect of
the nuclear medium?
Where is the spin of the proton?
Results from deep inelastic scattering experiments using polarized
electrons and polarized protons indicate that the quark spin
contribution to the spin of the proton is essentially zero.
Review these experiments and discuss upcoming attempts at
Brookhaven to measure the polarization of gluons inside
Jacak, Schaefer, Shuryak
Measurements of the Electron Neutrino Mass: Discuss the
various experiments to measure electron neutrino masses from beta-decay
endpoint measurements and double-beta decay. Give the latest results
and discuss the relation of these results to the recent observations
of neutrino oscillations.
Parity Non-conservation in Atoms:
The strength of parity violating transitions in atoms allow determination
of standard-model parameters at low q-squared. Discuss the
experiments and the model sensitivities.
Nuclear Sizes and Moments from Hyperfine Laser Spectroscopy:
Precise data on nuclear charge radii and electromagnetic moments can
be obtained from hyperfine spectroscopy using lasers. Discuss how
these experiments are done. Give examples of deduced nuclear properties
such as the nuclear compressibility. Also discuss the use of laser
spectroscopy to trap radioactive ions to study parity non-conservation
in atomic transitions.
Nuclear Structure at the Extremes of Neutron-Proton (Isospin)
Topics include - physics at the proton/neutron drip-lines, n-p pairing,
neutron halo nuclei, radio active beam (RIB) facilities, octupole
deformations in fission fragments. Concentrate on one of these
Nuclear Structure at Extreme Angular Momentum:
Super-deformed (axis ratio 2:1) nuclear states have been identified
at angular momenta up to 70. Discuss the theoretical basis why axis
ratios of 2:1 and even 3:1 are stable. Explain recent experiments
which use the large Ge arrays to measure super and hyper-deformed
bands in a systematic fashion.
Well-founded nuclear model calculations have predicted a stable
(lifetimes between 1 and 100 years) island of very heavy nuclei
near Z--1 14 and A--300. A few such nuclei have recently been
detected. Discuss the theoretical basis for the super-heavy island
and the possible approaches to it by use of heavy ion reactions.
Discuss the (somewhat controversial) results from recent experiments.
Nuclear Liquid-Gas Phase Transition:
Under the influence of heat and pressure nuclear matter is expected
to undergo a liquid-gas phase transition. This is the boiling point
of nuclear matter. Report on recent experiment showing fragmentation
of nuclei into large clusters (droplets) at intermediate energies
(several 100 MeV/u) which are interpreted in terms of such a phase
transition. Discuss the theoretical connection of these experiments
with a phase transition from a nuclear liquid to a nuclear gas phase.
Topics in Elementary Particle Physics
Discovery of the Top Quark:
Discuss the discovery and the measurements of top quark production
cross section and the top quark mass by the DØ and CDF
experiments. Discuss the signatures and methods used, and the
significance of the precise measurement of the top quark mass
for the prediction of the Higgs boson mass.
Search for the Higgs Boson:
Discuss the search for the Standard Model Higgs boson which will be
carried out at LEP, at the upgraded TeVatron, and at the Large Hadron
Collider. What are the different strategies as function of the mass
and the prospects for success?
Grannis, Hobbs, Rijssenbeek
Precision Measurement of the Z Boson Parameters:
Measurements at the SLAC SLC collider and the CERN LEP collider of
the Z boson mass, width, and production cross section. Relevance
to tests of the Standard Model.
Hobbs, Grannis, Rijssenbeek
Large Extra dimensions and Grand Unification at the Electroweak
Discuss the recent theoretical developments in trying to obtain
Grand Unification of the elementary forces in the neighborhood
of the electroweak scale (1 TeV) by postulating the existence
of "large" (mmm to mm) extra dimensions. Review existing and
ongoing experimental research in gravity at the sub-millimeter
scale, and predictions for physics at the Tevatron and the large
hadron collider LHC at CERN.
Van Nieuwenhuizen, Hobbs, Rijssenbeek
Precision Measurement of the W Boson Mass:
Discuss the precision measurement of the W mass at the FNAL
TeVatron collider by the DØ and CDF collaborations and
by the four LEP collaborations. Discuss the two measurement
methods and the achieved and predicted precision. Explain its
importance as a test of the Standard model.
Detection of Neutrinos from the Sun: Discuss the
major ongoing experiments (Super-Kamiokande, SNO, Davis, Gallex/GNO, Sage)
that measure the flux of solar neutrinos. Give their latest results
and the implications of these results on standard solar models
and the standard electro-weak model. Summarize the concrete plans
for new experiments.
Jung, McGrew, Yanagisawa, Gonzalez-Garcia
Detection of Neutrinos from Supernovae:
Neutrinos from the supernova SN1987a are the only astrophysical
neutrinos observed other than solar neutrinos. Discuss the
supernova neutrino production mechanism, observation of neutrinos from SN1987a,
experimental observation methods and future prospects.
Jung, Yanagisawa, Lattimer
Atmospheric Neutrinos and Neutrino Oscillations:
Discuss the origin of atmospheric neutrinos and the expected fluxes
of electron-type and muon-type neutrinos. Discuss the experimental
measurements that differ from the predicted values and possible
explanations for the discrepancy. And finally discuss the recent
Super Kamiokande results that show evidence for neutrino
oscillations, and supporting evidences from other experiments.
Jung, McGrew, Yanagisawa
Ultra High Energy Cosmic Ray Events:
There are two ground based experiments: AGASA and HiRES that claims to
observe cosmic ray events beyond so called "GZK cut-off". These events are the
highest known particle interaction events (~10e20 eV). Explain GZK cut-off.
Give the latest results from these experiments
and explore possible scenarios/explanations for these extraordinary events.
Summarize the plans for new experiments.
Jung, McGrew, Yanagisawa
Long Baseline Neutrino Oscillation Experiments
and Lepton Mixing matrix:
Observations of neutrino oscillations by the underground experiments
in the atmospheric and solar neutrinos have revolutionized the
particle physics. There are efforts to further confirm this findings using
accelerator produced neutrino beams and to measure the lepton mixing matrix
elements, which doesn't exist in the Standard Model.
Give the latest results from the K2K experiment and
summarize the plans for new experiments (MINOS, CNGS and JHFnu).
Jung, McGrew, Yanagisawa, Shrock
Neutrino Astrophysics: Recently there have been several plans for experiments to observe very high energy astrophysical neutrinos in the range of 100 to 1,000 GeV. Review these plans and discuss their significance. Jung, McGrew, Yanagisawa
Mixing and CP Violation in the B-Bbar System:
Description of the theoretical basis and experimental techniques,
including recent results and future prospects with the Fermilab
TeVatron Collider detectors and B-factories.
Rijssenbeek, Grannis, Smith
Search for Proton Decay:
Discuss why many GUT theories require proton decay. Give an
overview of the experimental situation, and present the current
results and limits.
Jung, McGrew, Yanagisawa, Shrock
Search for Supersymmetric Particles:
Discuss the basic concepts of supersymmetry, and search techniques.
Present recent results and future prospects for the discovery of
Hobbs, Jung, van Nieuwenhuizen, Shrock
CP Violation in K Decay: Review the evidence for CP
violation and outline the phenomenology of the K0-anti-K0 system.
Discuss recent measurements of CP violation and the prospect for
g-2 Experiment: Review the current claim from the BNL g-2
experiment that their measurement disagrees with the Standard Model
prediction, and associated controversy. Why is this important?
Topics in Astronomy
Supermassive Nuclear Black Holes:
Discuss evidence for their existence in both active and quiescent
The formation and early evolution of galaxies.
Describe the present understanding of nucleosynthesis and discuss
resulting constraints on particle physics and cosmology.
Quasar Absorption Lines: What do they tell us about
intervening galaxies and gas.
Supernovae: Discuss the process of explosive star
death in detail. Or, discuss the observational and theoretical
understanding of how the ejecta interact with the interstellar
medium, and produce what we see as supernova remnants.
Lattimer, Prakash, Brown
Neutron (Quark?) Stars:
Discuss the structure, "birth", and evolution of neutron stars.
Discuss recent measurements of the radius of an isolated
nearby neutron star.
Lattimer, Walter, Brown, Prakash
Ultra-luminous Infrared Galaxies: Ultra-luminous
infrared galaxies have total luminosities that rival those of
quasars. Discuss what they are and how they were detected.
Star Formation and Chemical Enrichment: Discuss the
process of star formation and formation of the natural elements
(nucleo-synthesis) during the epoch of galaxy formation.
The Inflation Paradigm:
What is it and what does it predict?
Dark Matter in Galaxies: Discuss the discovery of
invisible ("dark") matter in our and other galaxies. Discuss
its proposed distribution and form, and the various proposed
types of dark matter. What are its cosmological implications?
Gravitational Lensing: Discuss the phenomenon, origin,
discovery and use of gravitational macro-lensing. Discuss lensing by galaxies
and clusters of galaxies. Alternatively, discuss observations of gravitational
micro-lensing towards the galactic bulge and Magellanic closed. What have
we learned from these about the structure of ordinary and dark matter
in and around our Galaxy?
Microwave Background, its Fluctuations and Dark Energy:
Discuss the discovery of the cosmic microwave background.
Focus on recent measurements of the fluctuations of the
microwave background. Include recent balloon experiment results.
What are the cosmological implications of these results?
Discuss the basic properties of gamma-ray
bursts and the post-1997 developments in our understanding of these
Extrasolar Planets: Discuss the techniques used to find
planets around other stars, the results of searches to date, and
the implications for our understanding of solar-system formation.
Discuss the theoretical relevance of gravity waves, the likely
astrophysical sources of gravity waves, and past and future
progress towards detecting them.
Supernovae and the accelerating universe:
Give a critical assessment of recent evidence from supernova
studies that the cosmological constant is non-zero, and discuss
the implications of a non-zero cosmological constant.
Star and Planet Formation:
Describe what we know about the process. In particular, discuss
what chondrules tell us about the conditions in the
early solar system.
Solar flares: What new light do the recent TRACE images/movies
throw on the interaction between magnetic fields and the plasma
in the solar atmosphere?
|Axel Drees||Physics C105||2-8114||Axel.Drees@sunysb.edu|
|Rod Engelmann||Physics D106firstname.lastname@example.org|
|David Fossan||Physics C104email@example.com|
|Maria Concepcion Gonzalez-Garcia||Math Tower 6-115Afirstname.lastname@example.org|
|Fred Goldhaber||ITP, MT6email@example.com|
|Paul Grannis||Physics D142firstname.lastname@example.org|
|Tom Hemmick||Physics C107email@example.com|
|John Hobbs||Physics D108firstname.lastname@example.org|
|Barbara Jacak||Physics C102email@example.com|
|Chang Kee Jung||Physics D141firstname.lastname@example.org|
|Ken Lanzetta||ESS 456||2-8222||Kenneth.Lanzetta@sunysb.edu|
|James Lattimer||ESS 455||2-8227||James.Lattimer@sunysb.edu|
|Robert McCarthy||Physics D104email@example.com|
|Clark McGrew||Physics D134firstname.lastname@example.org|
|Deane Peterson||ESS 454||2-8223||Deane.Peterson@sunysb.edu|
|Michael Rijssenbeek||Physics D134email@example.com|
|Martin Rocek||ITP MT6-116Afirstname.lastname@example.org|
|Robert Shrock||ITP D146email@example.com|
|Jack Smith||ITP MT6firstname.lastname@example.org|
|Philip Solomon||ESS 449||2-8231||Philip.Solomon@sunysb.edu|
|Gene Sprouse||Physics C109email@example.com|
|George Sterman||ITP MT6-115Afirstname.lastname@example.org|
|Peter van Nieuwenhuizen||ITP MT6email@example.com|
|Amos Yahil||ESS 461||2-8224||Amos.Yahil@sunysb.edu|
|Chiaki Yanagisawa||Physics D138firstname.lastname@example.org|