Q21P Use the conservation laws and Ta... [FREE SOLUTION]

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Chapter 44: Q21P (page 1364)

Use the conservation laws and Tables 44-3 and 44-4 to identify particle $x$ in each of the following reactions, which proceed by means of the strong interaction: (a) $p + p 鈫� p + 蚂^{0} + x$ (b) $p + \overset{炉}{p} 鈫� n + x$ (c). $蟺^{鈭�} + p 鈫� 螘^{0} + K^{0} + x$

Short Answer

Expert verified

(a) The value of $x$ is. $k^{+}$

(b) The value of $x$ is. $\overset{炉}{谓}$

Step by step solution

(a) Strangeness of.p+p→p+Λ0+x

The given reaction is written as:

$\begin{array}{l} p + p 鈫� p + 蚂^{0} + x \\ p 鈫� 蚂^{0} + x \end{array}$

	p	$蚂^{0}$	$x$
Charge	e	0	e
Baryon number	+1	+1	0
Strangeness	0	-1	+1

As the unknown particle is meson with spin zero, charge $+ e$ and strangeness. $+ 1$ The spin zero meson with charge of $+ e$ and a strangeness of $+ 1$ is $K +$ particle. Thus, the value of $x$ is. $k^{+}$

(b) Strangeness of.p+p¯→n+x

The given reaction is written as follows;

	p	$\overset{炉}{p}$	$n$	$x$
Charge	e	-e	0	0
Baryon number	+1	-1	+1	-1
Strangeness	0	0	0	0
Spin	$\frac{1}{2}$	$鈭� \frac{1}{2}$	$\frac{1}{2}$	$鈭� \frac{1}{2}$

From the above table, it is clear that the unknown particle is anti baryon with spin $鈭� \frac{1}{2}$ , charge and strangeness both zero. Therefore the unknown particle should be anti neutron.

Thus, the value of $x$ is. $\overset{炉}{谓}$

(c) Strangeness of .π−+p→Ε0+K0+x

The given reaction is written as follows:

	$蟺^{鈭�}$	$p$	$螘^{0}$	$K^{0}$	$x$
Charge	-e	e	0	0	0
Strangeness	0	0	-2	+1	+1

As the unknown particle has zero spin, zero charge and strangeness of. $+ 1$ Thus, the value of $x$ is. $K^{0}$ $K^{0}$

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91影视

Use the conservation laws and Tables 44-3 and 44-4 to identify particle $x$ in each of the following reactions, which proceed by means of the strong interaction: (a) $p + p 鈫� p + 蚂^{0} + x$ (b) $p + \overset{炉}{p} 鈫� n + x$ (c). $蟺^{鈭�} + p 鈫� 螘^{0} + K^{0} + x$

Short Answer

Step by step solution

(a) Strangeness of.p+p→p+Λ0+x

(b) Strangeness of.p+p¯→n+x

(c) Strangeness of .π−+p→Ε0+K0+x

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91影视

Use the conservation laws and Tables 44-3 and 44-4 to identify particlexin each of the following reactions, which proceed by means of the strong interaction: (a)p+p鈫�p+蚂0+x(b)p+p炉鈫�n+x(c).蟺鈭�+p鈫�螘0+K0+x

Short Answer

Step by step solution

(a) Strangeness of.p+p→p+Λ0+x

(b) Strangeness of.p+p¯→n+x

(c) Strangeness of .π−+p→Ε0+K0+x

One App. One Place for Learning.

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Use the conservation laws and Tables 44-3 and 44-4 to identify particle $x$ in each of the following reactions, which proceed by means of the strong interaction: (a) $p + p 鈫� p + 蚂^{0} + x$ (b) $p + \overset{炉}{p} 鈫� n + x$ (c). $蟺^{鈭�} + p 鈫� 螘^{0} + K^{0} + x$