SCIENTIFIC ABSTRACT ZELDOVICH, YA.B. - ZELENA, J.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R001964220014-2
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: November 2, 2016
• Document Release Date: March 15, 2001
• Sequence Number: 14
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

ACCESSION NRs AP4041202
there can be no.combustionfor and there are two posuiblo combustion
0'% OB"
rates for 0 < 0 B,'\donoted by A and G. The reaults show that the higher the
-Anitial powder temorature the lower will be the final pressure before extinction.1
Oombustion rate under arbitrari3q smanvariatione in pressure is also considerOU
up to first order " temperature distribution in the powder. The analysis
leads to a combustion rate given by
(rk. r.) x d
a U, (P)
The ana3,wie is finally awmarized in the form of nondimensional combustion
criteria given by
ip it dp i--"dp 14 d(u-
C
B and B= -~, p- . . ......
U0 W
P., J
1* which determine the rate, spontaneous combustion, and extinction of powders
under unsteady state phenomena, "The author Is teful to K. K. Andreyev
gra
0. L Leypubskiyp L P. Grave,'Mo Ye, Serebryakov# and L M. Shapiro for their
interest in the work. Special3,v thentioned is Yu. Be tharitong who pointed out
the powd,,)r extinction phenomenon In the =zrao of an artillery gm following
the firIM of the projectile. Thanks are also expressed to Va B,# Librovich
10

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ZELDOVICH, YA.O,akad.
Vonderful stars, Nanka i tekb mladezh 16 no.595-7 147164

ZELINVIGH, Ya.B.
IV ewt,--aian and Einatah-alan motion of a bomcpF!n--,.)u,,~ !Mttzr.
Aztron.zlrar. 41 no.5.-873-883 S-0 164.
(MIRA 17.-10)

DASHMKlyl V.M.;jp~~!DOVICH. Ya.B,
rAg-ht propagatien in a ncinhmogensous nonplanarunivarsw, Paz,'.
Astron. zhur. 41 no.6:1071-107,4 N-D '6A+ (MIRA Lt3tl)
7T

ACCMION NRt AP4040509 S/0026/6z/000/006/0025/0C28
AUTHCRz Z911dovich, Xa. D.
TITLE: Evolution of prestellarmatter
43-,
SOURCE: PrirMap, no. ~6 196Z, '25 -26
TA rA
TOPIC astronomy, nuclear physics," prouballar matter, stellar ~vol utionp
neutrino' antineutrinop leptonp baryonp antibarymi
ABSTRACT: The initial hypothesAs concerning the composition ofthe initial
prestellar ' matter were based on the assumption that it consisted of 98-99%
neutrons,,that in, baryonsland there were virtually no leptons. How6ver,-this
would mean that very soon after onset of,"expansion of the universe".the initial
matter woul.*d be transformed almost entirely into helium and virtually no-free
hydrogen would remain, a result contradict-ry ~o present-day observations. The-
cola nout-ronhypothesis had to be-rejected. 'Then Gamow and others postulated
that in-the initial,stage matter was at a su~eyhigh temperature and its density
at the'initial. stage was caused almost e'itclusively by light quanta, but again,
this hypothesis of hot. matter at.the early stage of evolution of the -universe
zvst bo considered improbablop since it contradicts present-day information.
C17

ACCESSION NR: AP4040509
This forces. the conclusion-that the la
pton charge at the initial. st^ge.of
development was different from zero. In the.expa ding universe the neutrinbbf
n
arriving at a particalar point as a renult of the red shift have an energy iess' i
than their energy at an earlier time and place. The change in neutrino density'
is obviously proportional to the chainge of ddnsity inmatter; this also applies
antineutrinos., Furthermore,, at the present tim the quantity of antibar-yonq is
many times leas than the quantity of li%ryons. the- universet being asymmetric
...with respoct to baryone and antibaryonsp has a predominantly positive baryon
!-~,charge. Two poedibilities appears the bAryon char is ositivia &M the"Pptoln
1 90 p
charge is negative, or both charges are positive. These possibilities ate dis-
cussed, It is concluded that the idea that matter consisted of neutrons in the
superdense stage is unacceptable. The idea was derived-carelessly from the
writings of.L. D. tandaup who discu'sed the nnutron core of superdense starsi
a
this was applied uncritically to the entlrn universe* It is shown thet at a high
density -neutrinos stabilize,,proions. At the time of expansion their density
'decreasesy accompanied by a decrease in electron density. It follows from the
considerations presented that prostellar matter onBi-*-d of pure hydrogeni With
t~e present-day mean density of nuol.sons of 10-A
the density of the mass
~2A
i A

ACCESSION NA! AP4022952 S/0020/64/155/001/0%7/0069
AUTHORS Zel'dovLchg Yao B, (Academician)
TITLEi Pate of a star and evolution of gravLtational energy during accretion
soui6H: AN SSS& Doklady*, v. 155g no. 1, 1964;'67-69
1OPIC TAGS: accretion gravitational energy, general relativity theory, star
'Collapse, astronomy, celestial body, star, falling star
n n
'ABSTRACT: The author considers a mechanism of energy evolution which is connected
With the fall of external masses in the gravitational field of a collapsing start
~The velocity 6f a free falling particle approaches the velocity of light when the
particle approaches the gravitational radius. If a flux of matter proceeds toward
the star with a supersonic velocity, there occurs a shock wave from the sida
~star opposite to the approaching matter* Under theso conditions, a part of the
matter may be throwa out with a velocity approaching C9 "The author Is grateful to
:I* D, Novikovand X,.S* Shklovskly for numerous discussions"o Was arto hasi
'l equation.
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I=Essiox NH.. Ap4o34533 S/0020/64/155/005/3-033/103,6
1AMHOH:
Zelldovich., Yao*B,, (Academician); Novikovp 19 Do
TITIB: Radiation of Gravitationa.1 Waves by Bodies Moving in the field of a
Collapsing star.
SOURCE: AN SSSR. Doklady*p v. 155s no* 5.1 1964., 3.033-1036
TOPIC TAGS: gravitational waves collapsing starj, general theory of relativity,
gravitation theorys gravitational radiation friction, astronmy
AWTRACT: In the preseA commmication, the author considers the radiation of
gra:vitational waves by a body of -all mass m. moving in a spherical field of a
-1=ge-masa) the effect of this radiation on the motion of m. and the possible
observable effects* The gravitational radiation friction provides a force acting
on the body. This is the result of inteEaction of mass m, with its own gravita-
tional field, which is proportional to whereas the interaction with the
external field is proportional to m. Thus., the radiation of gravitational ~Mves
introduces a correction to tha motion of a body in an external gravitational field.
Calculation ohm that, an a result of gmvitatioaal radiation.. tba system may
Card
1/2

1- ACM&SICU VR: AP4035W9. slOMIA11561001LIOM10060
AVJMOR-. Zelldoviobj, Yaw B& (Academician); Poduretep Ho As i

tho general
TITIB-. Neubrino emission of a star during gravitational collapse In
theory of relativity

SotmCE: AN SSSR. Doklady** v. 156., no. l., 1964.. 5T-0

TOPIC TAGS: neutriiao emission) gravitational collapsej, star self lockingp general,,
relativity theory., superstar collapse., superstar

ABSTRAM: The theory of a gravitational collapse was giver. by J, Oppenheimer et al
(PhYs- Rev. 56., 455 (1939))j, and is nov of interest because of the discovery of
the
superstars. The theory.. based on general theory of relativity, shoVI3 that
emission of light by the,otar into outer space approaches zero when the radius
of the collapsing star reaches a certain value (gravitational radius). The stag
is gravitationally self-locked. The authors have investigated the
zelf-locking with respect to neutrino emission. The origin of neutrinos is
assumed. to be in the center of the star so that Dop r-effect is absent. Two
Cases- am -cousidereds (1) colliVaa of'dustp (2) collaDae of a star frm a cold

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ZELIDOVICH, Ya.B.
Claosification of elementary lArticlDs and quartAts in a urxecer.-
tation for pedestrians." Usp. fiz. nauk 86 no.2003-314 A 165.
(MIRA 18:6)
1-~ 7~ 77,

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tre-rm~*;ndous ener-T-,- sto%rei im t-e cosmic raysWand rqaqneti-

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VELIDOVICH, Ya.B.; SEMENOV, N.N.; KHARITON, Yu.B.; BELYAYKV, A.F.; GLAMINA,
B.N., CRLOVA, Ye.Yu.1 SVETLOV, B.S.
Konstantin Kostantinovich Andreev, 1905-1964, Zhur. fiz, khim.
39 no.2t534-536 F 165. (MIRA 1814)

DAZI) A.I.; GOLIDiVISKIY) V-I-; ZELIDOVICII, Ya,B.
Byatematico of the lighteat nuclei* Usp, fizo nauk 85 no.3:1,45-483
Mr 165. (141RA 1814)

ZELIDOVICII,,,-_Xa_,.~., akademikj GUSEYNOV., O.Kh.
Neutronization of matter on collapse and the neutrino spectrum.
Dokl, AN SSSR 162 no.4091-793 Je 065. (MIRA 1815)

ZELIDOVICII) Ta.B.
Unstable quartets and their detection. Pis'. v red, Zhur.
eksper. i teoret., fiz. 1 no.4tl-4 My 165. (HIRA 18:11)
1. Submitted.April 1,, 1965.

ZELIDOVICH-j- Ya.B.; GUSLYNCYV, O.Kh.
.I Neutronization of He4. piso. v red. Zhur. eksper. i
teoret. fiz. 1 no.4:11-17 My 165. (FaRA 18:11)
1 1. Submitted April 6, 1965.

L 12030-66 EWT(m)/T/EWA(m)_-?_
ACC NR: AP5027999 SOURCE; CODE: UR/0386/65/002/007/0340/0344
ABSTRACT: The author supplenents H. Harari's and H. J. Lipkin's (Phys. Bev.
Lett. v. 13, 345 1964) discussion on several properties of a hypothical
baryon 35-Ple,4,which according to the SU(3) symmetry contains Particles
Iq 'Irom S - -if (Y - -3) UP to S = +1 (Y = +2), making uso of
with strangeness
the quark model. It is shown that to obtain the expected non-monotonic
variation of the particle mans as a function of the strangeness S or hy-
percharge Y, it is necessary to have c