SCIENTIFIC ABSTRACT SIDOROV, V.P. - SIDOROV, V.M.

• Document Type: CREST
• Collection: Scientific Abstracts
• Document Number (FOIA) /ESDN (CREST): CIA-RDP86-00513R001550510016-7
• Release Decision: RIF
• Original Classification: S
• Document Page Count: 100
• Document Creation Date: November 2, 2016
• Document Release Date: August 23, 2000
• Sequence Number: 16
• Publication Date: December 31, 1967
• Content Type: SCIENTIFIC ABSTRACT

CHIMNOV, V. M. ; _~I~OROyj V. G. ; XOSMUN, G. I.
Continuous control of the moisture content of assifinimhed arti-
ficial latex leather. Kosh.-abuv.pron. 2 n0-903-34 3 1609
(MIRA 13:10)
(Leather, Artificial)

SIDOROV, Y.G., inzhonex.
Improving arc extinguisher chambers. Blek. i tepl. tiaga no.4:29
Ap '57. (PT-yA 1o:6)
(Ilectric railroads-ftbetations)

coo-t nrasented at t- -:-6, Cc,-ife:-en-e ,-n Se-4C()
-7 -e ,0 . - n-luc _Z).
GoT~:,)c,;nds, Yishi-nav, 16-21 Sept 1963
n
.,~~czr-cal properties of highly degenerate crystals o. - and p--.y?C
i ; u.-. a rsen;. de. 0. V. Yerel'yanenko, F. P. Xesamaniy, D. N. Nasledav,
V. G. Sidorov, G.,N. Talalakin.
Concerning the interaction of electrons with latcice vibrations in
-7a i ; u,-.i a rsen: de. 0. V. Yc,-..ai'yanenko, T. S. LaSunova, 0. N. Nasledov,
V. Ye. Shcheibatov.
-;c-ctrical properties of gal Hun arsenide with different impurities.
Nasledov, G. N. Talalakin.
:nvesz;.Gation of tae properties of impurity zones in crystals of p-type.
Gallium arsenide. 0. V. Yemellyananko, T. S. Lagunova, 0. N. Nasladov,
V. Ye. Shcharbatov.
Ge,:vanomagnetic proparties of indium. arsenide in a wide te.-perature
ra Y u Su r i " L;A'- c~, v-~ . V . Zz, z r, v a S r, U n o v a , 0. N Z. s t e d o v
'nd;u-
z -/p e

BURDUKOV, Yu.M.; YEMELIY,VWIKO, O.V.; ZOTOVA, N.V.; MAMANLY, F.P.;
KLOTYNISH, E.E.; LAGUNOVA, T.S.; NASLEDOV, D.N.; SIDOROV) V.G.;
TALALAKIIIII, G.N.; SHCUMATM, V.Yeo (deceased) '
- effects in AIIIBV type
no.6051--958 A 164.

F Fs-6/Feb IJP(G)/SSD/
L 2030-65 4G(k)/Dn(K)tr/EwP(t)/EWP(b))
.4T(I)IF
A7,i-L7A-s-Dra)-5/AS(mp)-2/AMR/RAEX(&)/ESD(go)/ESD(t) JD/AT
ACCZSSION NR: AP4041353 5/0O46/"/028/0a4,(09SlA9"
AUTHOR: -amisluko-z"Y-U.M.; YeMG1'xQneAko'O*Vffi; Zotov&.X.V ; Kgap xletylp-*
,_ ~njy_*F. P
mE~~.Talalakin.'G.N.;' crerbatov. V.1
LSMMRKA_A_T'S;; S SM .1a
Occoazed); Jlp~ov R!mt-tdr--o-f-oyoico-imtematicai sciences)
TITLE- Investigation of transfer effects In A1118V type compound !'A'eport, Third.
SOURM AN SSSR. Izvestlya. Serlya fixicheakaya, Y.28, no.40 19", 931-969
TOPIC TAGSs scaiconductor, semiconductor research, semiconductor bead structure,
a
HAII effect, Nernst Ettingh moon effect. electric conductivity, salli 1;111111.111111616k.
Indium arsenide, Indi= phosphid
ABSTRACTt The present paper I& a review of the results of experimentAl studies Of
transfer effects in All I11V type compounds, specifically, gallium arsenide, Indium
arsenide and Indium phosphido. with emphasis an the first. Tba work of other auth-
ors, Soviet and noa-Goviet, in referred to, but for the most part the data ead iis.
cussion are based an Investigation& by the authors' group. The maI& purpose of thm
studies wes, to investUate the =wag* epwArum sad a"reateristIos of. Us Impurity
C"'d 1A

L 203h9-65
ACCESSION MR: AP4041353 0
f
band (zone) and elucidate the mechanism of electron scattering in thee* somiconduc-
tor compounds. The assumed band structure of GaAs is described. Extensive measure-
ments were made of the thermo-eaf of the ccmipo"da in order to investigate the strum-
turo of the allowed bands. Data and curves are given for the dependence of the of-
fectivo electron mass on the carrier concentration in the crystal, the temperature
dependence of the Hall constant, the temperature dependence of the height of the
Formi level, the temperature dependence of the relative resistivity increment (49/0)
in a magnetic field, the Nernst-Ettinghausen offectq all for n-type GaAs; the do-
pandenco of the hole mass an the hole concentration In p-type GaAs; the temperature
dependence of kinetic effects In InP; the temperature dependences of the Hall com-
stant and 6p/p and the field dependence of Op/p for a-type InAs. The machmnism of
Interaction of electrons with lattice vibrations In gallium arsenide and Indium ar-
senide to discussed. Impurity effects are eansidered and various models are @value-
tod.from the standpoint of their agreemout with experiment and practioal utility.
Orig.art.hams 6 formulas and 9 figures.
C" 2/3

L 2030-65
ACCCWSION MRs AP40LI353
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V. ,j .
Topliva i mnsla dlia sovremennykh a,;iatsionnyk- motorov. '~oskva, 1947.
Title tr.: Fuels and lubricants for modern aircraft engines.
IICTO
50: Aeronaut-Ical Scienc9s and Aviation in the Sovi~t Union, Library of
Conrr,~ss, 1,)55.

SIDWOV, V.G., inzhener; PM&MMV, V.M.. inzhener.
Standardizing petroleum products and methods for testing them.
Standartizataiia no,2:77-78 Mr--Ap '56. (MLEL& 9:5)
(Petroleum--By-products--Standards)

SIDOROV, VX,., aspirant; VASILIYEV, S.S., doktor khimicheakikh nauk, prof.
Eval,,orntion of liquid Into a gas-filled space under extensive
change of the conditions of gas flow over the surface of eva-
poration. Report No.). Nauch. trudy MTILP no.30:207-213 164.
(MIRA 18:6)
1. Kafedra fiziki Moskovs~ogo tekhnologiche8kogo instituta,
legkoy promyshlennosti.

ACC NRs AP6002048 SOURCE CODE: GE/0030/65/012/062-i-)CO4~/-i-o-i5
AUTHOR-. Emelyanenko, 0. V ; Nasledov, V. N ; Sidorov, V. C.;
Skripkin, V. A.; TalalakLn, G. N,
ORG: Physica-TechnLcal Institute Im. A. F, loffe,, Academy of Sciences
SSSR, Leningrad
TITLE: Effective mass of electrons in n-GaAa
-IOURCE: PhysLca status solidi, v. 12, no. 2, 19650 K93-K95
TOPIC TAGS: effective mass, Hall coefficient, thermoelectric powerg
gallium arsenide, semiconductor
ABSTRACT: In order to determine directly the effective mass m* of
electron charge carriers, the authors made measurements of the Hall
coefficient R. and of the thermoelectric power L. of semiconductors
in strong magnetic fields It - - without quantization effect. In all
four n-GaAs samples up to the fields 31 kg (0 < Wc < 3) were
measured. The Hall coefficient was found to be field-independent 02).
The thermoelectric power L'increased or decreased with H (the magnetic
field strength). The calculation was made with the aid of the formula
L(II) - L(O) - L(H) AH2
+ BH29
Card

ACC NRt AP6002048
The effective mass of electrons is 0.072 mo at the bottom of the
band (pure samples 1 and 2 at low temperatures). For a deviation
from the band from the parabolic shape, the effective mass of samples
1 and 2 (at all temperatures) m* - (0.070 1 0.002) mo at the bottom of
the band, being equal to effective masses obtained by other methods
(Palik, E, Do, Stevenson, J. R., and Wallis# R, Fog Physo Rev. 1240
701, 1961). The slightly higher value of m* in more impure samples
3 and 4 may be due to the effect of the impurity band. The author
presents tabulated data on effective mass values attained at various
temperatures. Orig. art. hast I figure, 1 formula, I table. (LD)
SUB CODE: 20/ SUBH DATE: 230ct65/ ORIG REFs 003/ OTH REF: 001

02V2-6? Ewp ( t ) [gri rip(m) in
ACC NAt AP6012913 CODE: GE/0030/66/014/002/KI95/KI99
AU`rHOR: Filipchanko, A. S. ; Molodlan, 1. F. ~k D. N. Udogvv. V.
"ed" L G.
Emelyaaw*o, 0. V. _1~
y of Sciences R, LaDiwad
ONG: Joffe P~rico-Technical Institute, Academ
TITLE: On the second conduction band In Indlum antimonide
SOURCE: Physics status solldL, v. Its, no. 2, 1266, KLOS-KI99
TOPIC TAGS-. Indium compound, antimonide, conduction band, Hall effect, Fermi IM19
electron transition
ABSTRACT: Data we presented to show the existence of a conduction band in InSb locap-
ed about 0.5 ev above the bottom of the main cmduction band (000). The rise In the
Hall coefficiest with temperature was measured in 14 indium antimonide samples doped
with seleniumlir tellurium. 'rho hypothesis that this rise Is due to electron transi-
tions -to -a- - -m- cond conduction ims tested and the value of the gap determined. OVIS.
art. Me: I table, 4 formulan.
SUD CODEs 20/ SUBM DATE: 09N~rG6/- ORIG REF: 00%/ OTH REF: 005
Card 1/1 vab

ACC NR:
AP7001973 SOURCE ("ODE: GE/0030166/018/002/0677/0682
AUTHOR: Molodyan, 1. P. ; Nasledov, D. N. Radautsan, S. I.
ORG: (Nasledov; Sidorov] A. F. 'Coffe Physicotechnical Institute, Academy of
Sciences, USSR, Leningrad; [Molotlyan] Institute of Applied Physics, Academy of
Sciences of the Moldavian SSR, Kishinev; [Radautsan) Kishinev Polytechnical
Institute
TITLE: The effective mass of electrons in (InSb)x - (InTe)l-x Crystals
SOURCE: Physica status solidi, -ir. 18, no. 2, 1966, 677-682
TOPIC TAGS: mixed crystal, indium compound, indium antimonide indium
M 9
telluride, jeffm vdejectronimasi
ABSTRACT: The paper deals with changes in the band structure due to transition
from doped InSb to its solid solutions with InTe and analyze the variation of the
electron effective mass in (InSl)x - (InTe)l_x with composition W, concentra-
tion of electrons, and temperaturo. Based on the measurements of the thermo-
electric power, transverse Nernot-Ettinghausen effect, conductivity, and Hall,
effect, the concentration and temperature dependence of the electron effective
Card _I L2

-4CIC--NR,-
AP7001973
mass m* were calculated for crystals of the solid solution (Insb)X(InTe)l-x
(for x = 1 to 0. 85) in the temperature range 100 to 370K. Solid solutions having
x > 0. 99 (1) behave like InSb doped with tellurium, and crystals of this type
having electron concentrations (n) greater than 2 x 1018cm-3 show an m* (n)
dependence which differs from that predicted by Kane. Solid solutions with
x f~, 0. 99M) show a different temperature dependence of m* from those with'
x > 0. 99. The authors thank 0. V. Emelyaneako for his useful discussions.
Orig. art. has: 5 figures, 4 formulas and 2 tables. (Based on authors'
abstract] [DW]
SUB CODE: 20/SUBM DATE: OI)Sep66/ORIG REP: 007/OTH REF.- 011/
2/2

I SIDOROVt Vita.Uy Illicb; MYSJIAIA)Vq S.V.# inzb.p retsenzent; MARCHWKOVp
- k&--
t "U ed-.
[Die-casting machines] MaobirW d3la litlia pod daylenione
Koskvav Gos.uaucbno-tokhn.lzd-vo Mu6inostroit,lit-rYo 1961.
156 P. (Die-casting-.Squipmnt wA supplies) (MM 14s6)

GANTS, N.I.; ZAVIYALOV, I.A.; KRIVOROF-PIKO, V.M.; SIDOROVP V.I.;
OSTRYAKOV, K.I., inch., retsenzent; SHCIXTMAXOr,-Y~'~., inzh.,
red.; KHITROVA, N.A., tekhn. red.
(Preparing passengeT cars for high-speed traffic; experience
of the Oktiabrl Railroad] Podgotovka passazhirskikh vagonov
dlin skorostnogo dvizheniia; opyt Oktiabrlskoi dorogi. Moskva,
Transzheldorizdat, 1963. 47 p. (MIRA 16:10)
(Railronds-Passenger cars)

SiDji(UV, V. 1. (and others)
BystroKhodnyi samoreguliruiushc:hiisia vetrodvigatell D-18-GUSMP. (,MOBicva)
Mashgizy (IV50) 179 P. illus. (Rabotyj udostoennye Stalins&oi premii)
The D-16-GU,17riP high-speed self-regulating wind turbine.
DLC-. TJ825-S53
SOt Manufacturing and Mechanicai Engineering in the Soviet Unions Library
of Conp.Tess, 1953.

3r -,'Wnm mwkwiiap~, -!N TFg- AR?rrlc upmOINICATELI V AR I
,I,dg ~. 1.
wt Lli v.-Api-pla3 of Moir
~a wrtgrwti on nnd oporation of goncraw,
iiao ww clIfficultics w)Wr gale nw ico corillWons. Tl,a pffl~.wlicy at C40
ZhaDirilya Is royan.

REZVIN, A.Ye., inzh.; SIDOROV, V.I., inzh.
Stationary sprinkling systems. Vod.i san. tekh. no.lOz22-26
0 162. (MM 15s12)
(Sprinkler irrigation)

SIDUR ILkWzjvu~-ov!qh inzhener; DOLKART, Gershin Shlionovich, Inzhener;
Lyk1w, 0
&AXAMrbHNV, 1-.-A-.-;---Inzhener, redaktor; KHITROV, P.A., tekhnicheRkly
redaktor
[Railroad structures of precast reinforced concrete and large wall
blocks] Zhelesnodorozhire zdaniia Iz obornogo zhelezobstona i
krupnykh stenovykh blokov. Nooirva. Goo. tranop. zhel-dor. izd-vo,
1956. 134 p. (NIRA 10:2)
(Precast concrete construction)
(Railroado~Buildingm and structures)

KUXIMINUV, Vladimir Aleksondrovich, inzh.; " -Mir Ifilct-, - I I h
I wmfifiMi~cjl,
IVAiWV-,9ZGBL1KQV, F.V., inzh., red.; KU810VA, U.N., tOUMPAT."
(Using brick blocks In building houses in I-9ningrad] Opyt
stroitallstva domov iz kirpichnykh blokov v g.Leningrade.
Leningrad, Leningr.dom naitchno-tekhn.propagandy, 1958, 22 p.
(Informtsionno-takhnichaskii listok. no-39-40. Stroitellneia
promyshlonnost') (MIRA 12:12)
(Leningrad-Brick houses)

SIDOROV, V.I., inzh.; KUZOMINDV, V.A., lnzh.
Vibration
concrete
F 159.
casings used for excavating pits under reinforced
electric line poles. Transp.stroi. 9 n0-2:13-15
(MM 12.'5)
(Excavating mchinery) (Blectric lines--Poles)

/ SILOROV, V.I., inzh.
Electrification of the Ioningrad-Malmys. Timbers sectione
Transp.stroi. 10 n0-7:14-16 Jl 160. (WU 13: 7)
(Railroada--Blectrific~tiou)

KIRZRAKOVO G,M., inzh.; $IDQ49~
%j.I., inzh.
Results of the electrificatice of the Oktyabrlokaya road. Transp.
stroi. 13 no.10&11-13 0 063. OCRA 17s8)

L OW,61' -67 1) /-EnTc i0i L) /ET! i'll (c) D
ACC Nil.
AP6024459 SOURCE CODE: LJR/0181/66/008/007/2022/2024
AUL-HOR: Sidorov, V L; Sushko. T. Ye.; Shul'man, A. Ya.
ORG: Institute of Radio, Enpineering and Electrtnics, M SSSR, ~bscow (Institut radio-
tekhniki i elektroniki AN SSSR)
Y
TITIZ: Investigation of optic absorvtion in germanium, cbped with zinc and conpensated
with antla.ma
ny
SOURCE: Eizika rdogo tela, v. 8, no. 7, 1966$ 2022-2024 1
TOPIC TAGS: optic absorption, gexymniun semiconductor, impurity penter, excited
i0ni2ation
ABSTRACT: This a continuation'of earlier work (FrT v. 6, 3294, 1964 and preceding)
where it was shoen that the electrophysical photoelectric characteristics of germanitq-.
doped with zinc and compensated with antimony (Ge:Zn:Sb) depends strongly an the con-
centration of the Zn- centers. The present investigation was aimed at deterrw=g the
influence of the impurity concentration on the optical properties of Ge:Zn:Sb. The
Zn- concentreticn was varied from 1.4 X 1014 to 3 x 1016 cnr3. The investigation of
the absorption was in an optical helium cryostat. The impurity optocal absorption was
=asured by first passing monochramtic light through the investigated sample onto an
infrared receiver, and then applying the light to the receiver without the sample.
1he results shomd an appreciable growth of the coefficient of impurity absorption at
hv >.75 Bev, withtwo maxima on the curves, corTesponding to the transition of the
Card 1/2

.- L 0466f - 67
ACC NRx AP6024459
holes fi-cm the ground sate of the impurity center to the excited state. - The positions
of the two maxima were independent of the concentration and were 75.4 1 0.7 and 78.7
t X 1016 alr3 does
0.3 ~Jev. An increase in the concentration of the Zn- centers to 3
not lead to a change in the-energy distance between the levels of the Zn- center,
causing orily a smearing of the excited state. 1he energy of optical ionization of the
Zn- center was found to be 82.7 Mev. It is shown that the time oonstant for recombina
tion inter-impurity transitions of the hole from a ZnP center to a Znm center is at
least 104 times larger than the tine for capture of a ftee hole by the W center.
7he authors thank T, M. Lifshits and Sh. M. Kogan for interest in the work and a dis-
cussion. Orig. art. has: 1 figure,, 3 formulas, and 1 table.
SUB COLE: 20/ SUBM DAM 1SNov65/ ORIG 1W: 003/ OTH WX: 007
i kh

14-1 41, TV
T r~r_
SOURCE COD', U.
ACC 002 mf/661w/008/2498/2500-~
V6
AUTHOR9 41T I
Sidorov, V. I.
2 was determined at ( 2,8 + 1,4) mb.,
d) The cross section for the emis;ion of U' and Be8 ms deter-
mined at (0-8 j 0.4) mb and (1-3 t 0.6) mb respectively.
There are 4 figures, I table, and 16 references, one of whiah is
Slavic.
ASSOCIATION: United Nuclear Research Institute (Ob"yedinennyy Institut yadernykh
isaledovaniy)
SUBMITTED: June 8, 1957
Card 2,12

T
Ki r t I k1r,"'I Y., 1-1-1,bc.-Icv R. IM., V. B.,
M!!rlkov, P. F. , Mcr,A~ov ', Yu. P., Podgoretskly, 14. 1.,
v. M1.1 '7olstov F. D., Shafrziy4ova, M. G.
TITLE: The Interaction of 9 Bev Protons with Nucle! in Fhoto-r-h*,Asjc;n
(Vzalmod.eystviye protoncv s energiyey 9 Bev s yadrami foto-
ern u V s i i )
PERIODICAL: Atomnaya En~argiya, 1958, Vol. 4, Nr -1, pp 2S1 - 284 (ussR)
ABSrMACT : The photoemulzion Hof K4W-P unith a layer of about 450 jkMas
Irradiated with protons within and out of' the vacuum clhaziber of the 9 13ev
synchrophasotron. 7lie inean range of 9 Bev protons for an Interaction is 34,74-
1,5 cm. (The scattering for angles be' _ow 56was not tkken into account). 25"S
cases of a nuclear Interaction were observed. The mean number of fast Particles
n generated in a process of interaction amount to 3,4 4 0,7.y The angular X
distribution of these particles shows a clearly preferred forward motion. T%,e
mean number of black and grey traces N the recoil nuclei riot being considered
LEGROnflaYMM is 8,3+ 0,5.
From 249 found stars 18 can be considered to constiute an interaction of the
initial Drotons with "free" or quasifree" protons.
13 stars can be considered to represent an Interaction between protons and
qustfree" neutrons. All of them have an odd number of traces, and in the point of
formation of the stare i6-traces can be observed. The mean mumber of fast particles
in th(--se 13 star traces is 3,1 � 0,3 , There are 5 figures, I table, and 7
references, I of which 1.9 Slavic.

5 6-2 -,',,"/51
AMIHORS: Dozachev, 11. P. , Mikhul, It. K. , Petrashku, M. G.
Sidorov, V. M.
TITLE: On the An.-ular Distribution of the Positive ij~ ons Generated
by a (lr-,u)-Decay (Ob u.-lovom raspredelenii tL -mezonov ot
(Ir-p)-raspada'-
PERIODICAL: Zhurnal Eksper-4mentallnoy i Teoreticheskoy Fiziki, 1958,
Vol~ 34, 11r 2, pp, 531 - 532 (USSR)
ADSTRACT: First the authors mention several earlier works dealing with
the same subject. The present work gives the results of the
examination of 10.000 (Irl)-decay processes of positive
myons which came to a stan . till in an H 0 K#H emulsion of
the P type. Tha emulsions were irradiated in a positive
bean of the synchrocyclotron of the Laboratory for Nuclear
Problems (Laboratoriya yadernykh problem) and durin.- their
exposure they were encased within a steel screen which pro-
tected them against the action of the exterior magnetic field.
The (Ir-p)-decay process6s were observed by means of an exa--
Card 1/3 mination with the J16W-3 microscope with about 100-fold en-

56-2-48/51
On the Angular Distzibution of the. Positive Myons Generated by a (TI- y)-De-
cay
largement. 'The angular distribution resulting immediately on
inspoction in shown in a diagram. The asymmetry coefficient
of this angular distribution is b - - 0,048 + 0,020. Then
the authors shortly report on the estimate o7f systematical
errors. The probability of the observation of a (7#--)k&)-decay
procoaa decreases within the range of small values of the
angle Q* between the final direction of the positive pion
and the initial direction of the positive nyon. The distribu-
tion determined by direct observation was corrected taking
into account tho registration probability and the experiment-
ally determined distribution of the angles between the ini-
tial direction and the final direction of the positive
pions. The corrected distribution of positive myons through
the projection.,; of the angles is shown in a diagram. The co-
efficient of asymmetry of this angular distribution is
b = + 0,009 � 0,018. Therefore the angular distribution of
that part of positive myons w1iich are generated by the
Tr-,a-decay of the positive pions which had come to a stand-
still is isotropic. The cause for the asymmetry observed in
some viorks can at least partly be connected with a syst-em-n-
Card 2/3 tical error investi.-ated in this work. There are 2 figures,

56-2-48/51
On the An~,-ular Distribution of the Positive Myons Generated by a (7r-,u)-De-
cay
and 5 references, rone of which is Slavic.
ASSOCIATION: United Institute fc-r fluclear Research
(Ob"yedineruVY institut yadernykh issledovaniy)
SUBLIMED: December 4, 1957
AVAILABLE: Library of Congress
1. Myons-Scattering 2. Synchrocyclatron-Applications 3. Emulsion
irradiation-Processes
Card 3/3

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21M SOV/2o-121-4-12/54
AUTHORS: Boaachey, N. P., 11unyatov, S. A., Merekov, Yu. P., Sildorov,
U
V. M.
TITLE: The Interaction of Protons With an Energy of 9 BeV With Free
and Bound Nucleons in a Photoemulaion (Vzaimodeystviye
protonov a energiy,)y 9 BeV so svobodnymi i avyazannymi
iiuklorinmi v fotoom,illaii)
PERIODICAL: Doklady Akademii nauk SSSR, 1958, Vol 121, 11r 4, pp 617-62o
(USSR)
ABSTRACT: An emulsion chamber with loo layers of the type NIM-R, - 2
(with a thickness of - 450 p and with an area of 10.10 cm
was irradiated by 9 BeV protons of a synchrophasotron. The
emulsion layers were investigated along the tracks of the
primary protons. Cn a length of 485 n 1308 interactions of
protons with nuclei were found. The processes of scattering
into an angle of less than 5 0 are not included in this number.
178 of these 1308 interactions are interactions of protons
with nucleons in the phot"oemulsion. The authors found 115
cases which are similar to (p - p)-interactions and 63 cases
Card 1A similar to (p - n)-interactions. The cross section of the

SOV/20-121-4-12/54
The Interaction of Protons With an Energy of 9 BeV With Free and Bound
Nucleons in a Photoemulsion
inelastic (p - p)-interaction at 9 BeV amounts to 30 milli-
barn. Within the interval I - 9 BeV, the cross section of
the inelastic (p - p)-interaction is practically constant,
and apparently it is constant also in the region of hi,-,her
energies. 11 of tI.e 115 (p - p)-interactions are due to the
elastic (p - p)-ocattering on hydrogen in the emulsion. The
differential crosE: sections of the elastic (p - p)-scatterint.;
cannot be estimatE'd because the experimental data are in-
sufficient. The tatal cross section of the elastic (P - p)-
scattering at 9 BEN (with respect to the necessary correc-
tures and of the background due to the quasielastic (P - P)-
scattering (-A0 0'2)) amounts to
elastic
app . (10 + 4) millibarn. This total cross section is
constant (within the limits of experimental errors) in the
interval 6 9 Relf. An estioation of the total cross section
of the (p p)-in-;eraction at an energy of 9 DeV (the num
of the elastic and o4the inelastic cro3s sections) Jives the
Card 2/4 value - 40 millibarn. A diagran --ives the an,-ular distributions

SOV/20-121-4-12/'54
The Interaction of Protons With an Energj of 9 BeV With Free and Bound
Nucleons in a Photoemulsion
of the charged particles due to the (p - I,)- and(p - ii)-intct-
actions are equal within the linits of experimental errors.
Also the an,,~ular li3tributiono of the fast charged particles
due to the (p - p)- and (p - n)-interactions have the same
values. The avera-e free path for the nuclear interaction of
the fast secondary particles due to the (p - p)-interactions
and (p - n)-interactions is equal to (34 + 6) cm and(28 + 7) cm,
respectively. These values are not different froci the free
paths for the interaction of protons and pions with energies
of 1 - 6 BeV and they also ar,-ree with the results obtained
bY other authors. According to the results of thin paper
the average free len.,'Irth of path for the interaction of 9 BeV
protons with the nuclei of a photoemulsion amounts to
(3711� 1,0) cm- In a following paper, the above-1;iven resuls
will be compared with the results of the calculations accord-
ing to the statistical theory of the multiple production of
particles. The authors thank Professor V. I. Veksler for his
interest in this paper and also Profeasor V. P. Dzhelepov
Card 3/4 and R. LT. Ryndin for the discussion of the reoults. There

The Interaction of Prr)!.(.)!i3 Wit% !i.-; Envr,-
..-ticlgons in aP,,io*oemvlsior,
are 1 fiLure, I tabl,-~
soviot.
ASSOCIATIOIT: Ob"yerlinennyy
of TITuclear Resparch)
PRESEITTED: Jime 5, ')50: by L. A~
SUBMITTED: June 3, 1959
of fie'l 't7i Frce ..rld 10,vund
'y
ar,~ 20 are
ini-, 17%, el ii---
AT.
Card 4/4

21(8) S 071 /20-128-3-16/5rd
"An'"MVI V
,UTHORS: Batusov, Yu. A., Bogachev, N- P-2
Chulli) I.
TITLE: Formation of Mesons by r. -Yiesons With 260 Mev Energy on Nuclei
in a Photoemulsion
PERIODICAL: Doklady Akademii nauk SSSR9 1959, Vol 128, Nr 3, PP 491-494
(US.9n)
I.BSTRACT: When a positive pion collides with a nucleon in a compound
nucleus two+charged ijesong zay be forled by th~ following
reactions: x + p -*, A + n + X) (1), n + n -o- n -, n- + p
The authors investigated reactions (I) and (II) on the inter-
action of fast positive pion3 with nuclei in.the photoemulsion.
An emulsion chamber composed of ten layers of the emulsion
NIKF1 of the kind R (thickness 400 g, diameter 80 mm) was
irradiated in a beam of positive pions with 307 11ev energj
in the synchrocyclotron of the Laboratoriya. yadernykh problem
(Laboratory for Fuclear Problems) of the Ob"yedinennyy institut
yadernykh issled-ovaniy (Joint Institute of Nuclear Research).
Considering the slowing-down of mesons in the emulsion, the
Card 1/4 results of measurement were referred to an energy of (2~;0+20)Xev

+ SOV/20-128-3-16/58
Formation of Mesons by n -Mesons With 280 flev Energy on Nuclei in a
emulaion
of primary mesore. 13 (+ 4 probable) cases with two second-xy
mesons were recarded in 300 stare which had been found in the
emulsion layers, In about 40'15' of the cases recorded only tlhe
track of a secondary particle could be found. When positive
280-Mev pions collide with nuclei of the ~)hotoemul8iont
these pions in the nucleus are absorbed as often as neSati-,,_
pions. Disintegratione totalled 92 wi',Ii slowed-down neratf-r,
pions, and 106 -Nith positive oites. Further investigation dl~:f~-
closed that 39 of these 198 disintegrations contained twc%
secondary charged mesons. A diagram illustrates the enerF,,,-
distri3ution of mesons for the cases in which two secondari
mesons were emitted- 7 of 112 '._qveztigated mesons ~caaesje3
an energy of mcre than 60 Me-.r. The spectrum attained its ~Iaxl-
mum within the range 30-40 Mev, The major part of secondary
mesons have an energy of lose than 60 Mev, and the mean
energy of the latter amounts to 30 Mev. The second diagram
shows the spectrum of stopped negative pions. It resembles
that mentioned abovet yet it is distinctly shifted toward lower
Card 2/4 energies. The nean energy of negative pions amounts to 16 Mev.

+-
by n Mosons
SOV/20-128-3-16/58
Energy on Nuclei in a Photo-
The difference in the mean energies of positive and negative
pions ( - 14 M()v) is due to the effect of the Coulomb field
of the nucleus. The angular distribution of pions within
the center-of-riass system is not 0isotropic, and attains a
wide maximum at angles of - 160 . A table shows the angular
distribution of' mesons for cases with two mesons. A distinct
correlation in the direction of emission of the two secondary
mesons is noticed here. The cross sections of meson formation
during the collision of positize pions with nuclei in the
photoemulsion were determined by comparing the number of
forzation processes with the number of stars produced by
mesons within the same emulsion volume. The medium range of
positive pions for star formation in the emulsion amour-to
to (32-4 ~+,2-31, cm. The cross sections of the formation of
charged mesons i~ the processes a- -~-nucleue - n- and
n + nucleus -o n are of the same order of magnitude. In
most cases, the resultant mesons are absorbed in the same
nucleus. For t1s reactions n + n -* n + n- + p and
n + p -0 n + A + n, the cross sections (0-3 � 0.2) anj

+ SOV/20-128-3-16/58
Formation of Mesons by n -Mveons With 280 Mey Energy on Nuclei in a Photo-
emulsion
0.1 mb were obtained. The authors thank Professor V. P. Dzhele-
pov for his interest in thiu investigation. There are 4
fiGures, 2 tables, and 10 references, 6 of which are Soviet.
PRESENTED: May 27, 1959, by L. A. Artsimovich, Academician
SUBMITTED: May 11, 1959
Card 4/4