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Chapter 44: Q29P (page 1364)
Which hadron in Tables 44-3 and 44-4 corresponds to the quark bundles (a) ssu and (b) the dds?
(a) The quark bundle of is (omega) hadrons.
(b) The quarks bundle is in Sigma hadrons.
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Calculate the disintegration energy of the reactions
Certain theories predict that the proton is unstable, with a half-life of about 1032 years. Assuming that this is true, calculate the number ofproton decays you would expect to occur in one year in the water ofan Olympic-sized swimming pool holding 4.32 x 105L of water.
In the laboratory, one of the l;ines of sodium is emitted at a wavelength of 590.0 nm. In the light from a particular galaxy, however, this line is seen at a wavelength of 602.0 nm. Calculate the distance to the galaxy, assuming that Hubble’s law holds and that the Doppler shift of Eq 37-36 applies.
There are baryons with spin .Their symbols and quantum numbers for charge and strangeness are as follows:
| q | S | q | S | ||
| -1 | 0 | 0 | -1 | ||
| 0 | 0 | +1 | -1 | ||
| +1 | 0 | -1 | -2 | ||
| +2 | 0 | 0 | -2 | ||
| -1 | -1 | -1 | -3 |
Make a charge–strangeness plot for these baryons, using the sloping coordinate system of Fig. 44-3. Compare your plot with this figure.
What is the observed wavelength ofthe (first Balmer) line of hydrogen emitted by a galaxy at a distance of ly? Assume that the Doppler shift of Eq. 37-36 and Hubble’s law apply.
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