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There are particles called bottom mesons or B-mesons. One of them is the B− meson, which has a single negative charge; its baryon number is zero, as are its strangeness, charm, and topness. It has a bottomness of−¹ . What is its quark configuration?

User Webbexpert
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1 Answer

4 votes

Answer:

The B⁻ meson, also known as the "anti-bottom meson," consists of a bottom antiquark (

b) and a light antiquark. Its quark configuration is:

=

ˉ

+

B

=

b

ˉ

+q

Here:

ˉ

b

ˉ

represents the anti-bottom quark, which has an electric charge of

+

1

/

3

+1/3 (opposite in charge to the bottom quark).

q represents a light antiquark, which can be either an anti-up quark (

ˉ

u

ˉ

) or an anti-down quark (

ˉ

d

ˉ

). These light antiquarks have a charge of

1

/

3

−1/3.

The combination of the anti-bottom quark and a light antiquark results in a meson with an overall charge of

1

/

3

1

/

3

=

2

/

3

−1/3−1/3=−2/3. This charge makes it a

B

meson. It has a baryon number of zero, no strangeness, charm, or topness, and a bottomness of -1, as you mentioned.

User Defiant
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