Page 95 - Special Issue Modern Trends in Scientific Research and Development, Case of Asia

International Journal of Trend in Scientific Research and Development (IJTSRD)
Special Issue on Modern Trends in Scientific Research and Development, Case of Asia
Available Online: www.ijtsrd.com e-ISSN: 2456 – 6470

Solution of Problems on Conservation

Laws of Baryon and Lepton Charges

Davletniyazov Salamat Paluaniyazovich

Assistant of the Nukus State Pedagogical Institute Named After Ajiniyaz, Uzbekistan

ABSTRACT The need for the introduction of charges (other than electric)
This article is devoted to the conservation laws of was dictated by experimental facts, which could be explained
Elementary Particle Physics, those have a universal and only under the condition that there are charges of a non-
approximate nature, that is, some of them are enforced in electric nature, which are also conserved. Each of these
all possible interactions and have a universal character, and charges characterizes some internal property of the particle.
some of them is enforced in some interactions only and
violated in others, mainly to the conservation laws of Five charges are established: electricQ , baryonic B , and
baryons and leptons.
three lepton ones L , L , L . For all elementary particles,
e m r
KEYWORDS: elementary particle physics, the principle of these charges have only integer values (Q charge is the
intersubject interdisciplinary, baryonic and leptonic
number of units of elementary charge e ).
conservation laws

I. INTRODUCTION Baryon charge. If baryons and anti baryons are assigned a
Extensive research is being carried out to improve the baryon charge such that

efficiency of student’s development of Elementary Particle
Physics on the basis of the principle of interdisciplinary + for 1 baryons (nucleons and hyperons)
communication [1-3]. For this, aspects of the conservation B =  - for1 antibaryon s ,

laws of Elementary Particle Physics were studied in relation

to the application of other sections of physics and chemistry
[2] and the role of this section in relation to other disciplines and all other particles have a baryon charge B = 0 , then for
from the point of view of the object of research [3]. It is all processes involving baryons and antibaryons the total
known that, unlike other branches of physics, the baryon charge will be conserved. This is called the baryonic
conservation laws in Elementary Particle Physics have a charge conservation law.
universal and approximate nature, that is, some of them are
enforced in all kinds of interactions and have a universal For example, this conservation law determines the stability
character. some are preserved in some interactions, while in of the lightest of baryons - the proton, inhibiting the process
others they are violated, that is, they are approximate [4]. In
this study, the laws of conservation of baryon and lepton p ® e + + g
charges, their great importance are described. Universal

conservation laws are fulfilled in all basic interactions, and in which would ultimately lead to the annihilation of atoms,
approximate laws - only in some.
since the resulting positrons would annihilate with the

electrons of the atomic shells.
Laws of conservation of energy, momentum, and angular

momentum are universal conservation laws. The It follows from the same law that an antibaryon can be born
conservation laws of all charges also universal conservation
only in a pair with its own baryon. For example, an
laws (we will discuss them below) [5].
antiproton is born in the reaction

The need to introduce charges (other than electricity) was p + p ® p + p + p + p
compared with experimental data, which could only explain
the existence of charges of a non-electrical nature. Each of
The law of conservation of electric charge determines the
these charges describes a certain intrinsic property of the
particle. stability of the lightest charged particle - an electron,
forbidding, for example, the process
II. MATERIAL AND METHODS
-
For elementary particles, much more conservation laws are e ® g+ g+ n
satisfied than for macroscopic processes. All these laws are
subdivided into exact and approximate ones. Exact although it is permitted by all other conservation laws.
conservation laws are fulfilled in all fundamental
interactions, and approximate ones - only in some. Lepton charges (numbers). There are three types of lepton

charges: electronic L (for e and n ), muon ( m for and
The laws of conservation of energy, momentum and angular e e
momentum are exact. The laws of conservation of all charges n ) and tau L (tfor and n ). Here n , n , n - electron,
m t t e m t
are also exact (we will talk about them below).

ID: IJTSRD37941 | Special Issue on Modern Trends in Scientific Research and Development, Case of Asia Page 90