User:Marshallsumter/Radiation astronomy/Baryons/Quiz

Baryon radiation astronomy is a lecture as part of the radiation astronomy course on the principles of radiation astronomy.

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Quiz
{True or False, By crossing symmetry an elastic scattering cross section with a nucleon implies annihilation of dark matter (DM) into hadrons inside the halo, resulting in an anti-proton flux that could be constrained by data from the PAMELA collaboration if one includes a large boost factor necessary to explain the PAMELA excess in the positron fraction. + TRUE - FALSE
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{Which of the following are characteristic of solar proton astronomy? + the solar wind + polar coronal holes + protons originating from the photosphere - the electron neutrino + GOES 11 - neutrons
 * type="[]"}

{True or False, The infrared spectra of olivine and enstatite are essentially unchanged after proton bombardment. + TRUE - FALSE
 * type=""}

{Which of the following are characteristic of the first true astrophysical gamma-ray source? + a strong 2.223 MeV emission line + a solar flare + the formation of deuterium - the electron neutrino + OSO-3 + neutrons
 * type="[]"}

{True or False, The spin carried by quarks is not sufficient to account for the total spin of protons. + TRUE - FALSE
 * type=""}

{Complete the text: The ratio of neutrons to 2.2-MeV { gamma rays (i) } depends significantly on the direction of motion of the flare-accelerated particles with respect to the solar { atmosphere|photosphere (i) }.
 * type="{}"}

{True or False, Only relativistic neutrons would be able to reach Earth from other stars before decaying. + TRUE - FALSE
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{Which of the following are associated with the big bang neutrinos? - a launch location + relic neutrinos + of order of the photon density + the thermal energy at which neutrinos decouple + neutrinos dynamically dominate baryons - a contracting universe
 * type="[]"}

{True or False, A proton and neutron will have lower energy when their spins are anti-parallel, not parallel. - TRUE + FALSE
 * type=""}

{Which of the following is not a characteristic of X-rays associated with neutron stars? - X-ray jets - X-ray binary + emission peaks indicative of neutron decay - X-ray burster - a low-mass X-ray binary
 * type=""}

{Complete the text: At the high end of the proton energy spectrum (above ≈ 1018 eV) the { Larmor (i) } radius deflection becomes { small (i) } enough that proton astronomy becomes { possible (i) }.
 * type="{}"}

{Which of the following are associated with electromagnetics? + angular momentum transfer + solar wind + protons + electrons - the baryon neutrino + charge neutralization
 * type="[]"}

{Complete the text: Match up the radiation letter with each of the detector possibilities below: Meteors - A Cosmic rays - B Neutrons - C Protons - D Electrons - E Positrons - F Neutrinos - G Muons - H Gamma rays - I X-rays - J Ultraviolet rays - K Optical rays - L Visual rays - M Violet rays - N Blue rays - O Cyan rays - P Green rays - Q Yellow rays - R Orange rays - S Red rays - T Infrared rays - U Submillimeter rays - V Radio rays - W Superluminal rays - X multialkali (Na-K-Sb-Cs) photocathode materials { L (i) }. F547M { Q (i) }. 511 keV gamma-ray peak { F (i) }. F675W { T (i) }. broad-band filter centered at 404 nm { N (i) }. a cloud chamber { B (i) }. ring-imaging Cherenkov { X (i) }. coherers { W (i) }. effective area is larger by 104 { H (i) }. F588N { R (i) }. pyroelectrics { U (i) }. a blemish about 8,000 km long { A (i) }. a metal-mesh achromatic half-wave plate { V (i) }. coated with lithium fluoride over aluminum { K (i) }. thallium bromide (TlBr) crystals { O (i) }. F606W { S (i) }. aluminum nitride { J (i) }. heavy water { G (i) }. 18 micrometers FWHM at 490 nm { P (i) }. wide-gap II-VI semiconductor ZnO doped with Co2+ (Zn1-xCoxO) { M (i) }. a recoiling nucleus { C (i) }. high-purity germanium { I (i) }. magnetic deflection to separate out incoming ions { E (i) }. 2.2-kilogauss magnet used to sweep out electrons { D (i) }.
 * type="{}"}

{Which of the following are characteristic of solar proton astronomy? + the solar wind + polar coronal holes + protons originating from the photosphere - the electron neutrino + GOES 11 - neutrons
 * type="[]"}

{If there was no nuclear force, all nuclei with two or more protons would fly apart because of the electromagnetic? { repulsion (i) }
 * type="{}"}

{Which of the following are characteristic of the first true astrophysical gamma-ray source? + a strong 2.223 MeV emission line + a solar flare + the formation of deuterium - the electron neutrino + OSO-3 + neutrons
 * type="[]"}

{True or False, If stellar flares have origins similar to solar flares, then flare stars produce neutrons. + TRUE - FALSE
 * type=""}

{Which of the following are characteristic of solar green astronomy? + limb faculae + polar coronal holes + black body temperature of the photosphere - the electron neutrino + iron (Fe XIV) green line - neutrons
 * type="[]"}

{True or False, Below EeV energies ultra high energy neutrons have boosted lifetimes. - TRUE + FALSE
 * type=""}

{Which of the following are radiation astronomy phenomena associated with the Sun? + ultraviolet emission + X-ray emission + gamma-ray emission + neutron emission + 7Be emission + meteor emission
 * type="[]"}

Hypotheses

 * 1) Even with the limited directionality of the neutrino data, it should be possible to decide between the solar core and the solar corona as the most likely source of neutrinos from the solar octant.