Nuclear Instruments & Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 2004: Vol 529 Table of Contents

2004·1.6 MB·English

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SEVIE Nuclear Instruments and Methods in Physics Research A 529 (2004) xxi-xxviii section A
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Contents
Proceedings of the Joint Meeting of the International Conference on
Neutron Optics (NOP2004) and the Third International Workshop on
Position-Sensitive Neutron Detectors (PSND2004)
Tokyo, Japan, January 12—16, 2004
Editors: H.M. Shimizu, J.-i. Suzuki, M. Furusaka and M. Katagiri
ET ee Os Oe FE ES REE CES he Oe ee eer Ere wey Pee ee
UNNI I 0S oye dey aabeme do ee TL oeW ER A a Eo Re eed REE OD aN Vw he OR os ale e
Section I. Joint Session of NOP & PSND
Overview
Overview on neutron sources in Japan
Neutron optics and a superconducting magnetic lens for small-angle neutron scattering with focusing geometry
H.M. Shimizu, T. Adachi, M. Furusaka, Y. Kiyanagi, T. Oku, H. Sasao, T. Shinohara and J. Suzuki... .
N
Future trends in neutron detectors
i II noe ree ae es ead Cake cle ie ov ceria one aT tae ete pee atg h hee eaten aura ieg
Applications
Measuring scattering angles with neutron spin echo
M.R. Fitzsimmons, H. Fritzsche, M. Gierlings, J. Major and R. Pynn ..........0.0.. e.ee. e.e e
Application of neutron beam technique to plant study
Rn I a iors es russ cee nl ty fC cies Sinise o Cee EE COR Le EW OO ee ORES Oe
Focusing SANS experiments using magnetic lenses
Ie SSE PN wel he each a ra i aie aera tae Sa Ne gee lO Ual eel ee gig icai ndp e tela gt geA ME Som Le eR
SESANS with a monochromatic beam or with time-of-flight applied on colloidal systems
W.G. Bouwman, W. Stam, T.V. Krouglov, J. Plomp, S.V. Grigoriev, W.H. Kraan and M.T. Rekveldt.. . 16
A comparison of different methods for improving flux and resolution on SANS instruments
I ES ean de oo 7 ru ana ee ug) rapes ak cen ea SANG weS ave canA EB ACE WCM ok REM RSA Doe SRE wees
*Papers not included in the Proceedings.
doi:10.1016/S0168-9002(04)01622-5
Contents
Neutron resonance spin echo methods for pulsed source
T. Ebisawa, R. Maruyama, S. Tasaki, M. Hino, Y. Kawabata, D. Yamazaki, N. Torikai and K. Soyama. 28
Precise measurement of hydrogen content in thin films using multilayer spin splitter
S. Tasaki, T. Ebisawa, M. Hino, D. Yamazaki, Y. Yoshino, R. Maruyama and Y. Kawabata .........
Larmor labelling, polarization analysis and its applications
Na oe eg eager ate ek GS BAe Ri a re Ree EB hE ES ALND EMS BARE DS eS ea’ 39
Larmor labelling by thin spin flippers with rotating magnetic field: simulations of performance of neutron
scattering instruments
a = Sle Fe a erty nak ak Sh eee a ee Uren ay eee ge bb) lew Ken Be 45
Section II. Neutron Optics
Reflective Optics
Solid state and conventional neutron optical elements
50
Recent development of multilayer neutron mirror at KURRI
M. Hino, H. Sunohara, Y. Yoshimura, R. Maruyama, S. Tasaki, H. Yoshino and Y. Kawabata ....... 54
Optics for coherent x-rays
duis cle Wa are sh a ae ao eM eA eR EWR ES PRLS © ORAS 8 Oe SO (*)
Development of Pt/C multilayer supermirrors for hard X-ray optics
a ar CEE DS oN UC oe Ck 1 i ee yk g elgg wiki aw cal w aoe & Place wwe 59
Advanced geometries for ballistic neutron guides
oe gb yea gala Mlbc k WRN wwe oe Cea ee ew ee we 63
Neutronic design of beamlines guides and neutron beam instruments at the new Australian Research Reactor
a or aac rrr ee oe enc Cony ga ae a yy a AW SR AS Ne ow ee Oem EeR e
Neutron capillary optics: status and perspectives
art ae rn race oe ok ea aeh a GYe ch ine gNallg Ay aging ws a AOA SIS SD Sw Oke CN ae we 69
Reflectivity enhancement of large m-Qc supermirror by ion polishing
a a is yA OKA RRND ER Wa pe eR ROAD 73
Development of Ni/Ti supermirrors with large-m and a curved surface
K. Ikeda, T. Adachi, T. Shinohara, T. Morishima, K. Hirota, Y. Takizawa, H. Sato, H.M. Shimizu, M. Hino,
S. Tasaki, T. Oku and K. Soyama 78
Characteristics of deuterated diamond-like carbon as neutron mirror
Y. Kawabata, M. Hino, T. Horie, S. Tasaki, K. Yoshida, I. Kanno and M. Nakayama.............. 84
Measurements and simulations of neutron transport characteristics of multi-capillary fibers as a function of
neutron wavelength
7. Sayemee, 4s. Scene, 41. Twaes, F. serene and T. Mamivamas2.. e..c.c..o.. . es 87
Neutron reflectivity and interface roughness in Ni/Ti and FeCoV/TiN, supermirrors
M.S. Kumar, P. Boni and M. Horisberger 90
Crystallization and magnetic properties of FeCo/Si multilayer
S.J. Cho, H.Y. Kang, C.H. Lee, Y.J. Kim and Th. Krist
Contents
Using one reflection neutron optics system for tailoring high flux neutron beams
5.0, ee Se as IN go hoe Bey ee oa Die ek ee VR ROR a ESO eH 98
Tailoring of neutron beams spectrum and spatial distribution by means of capillary optics
as ee ee ha eee eee ee eA oe EEE D-OK Leen Fees
Instruments and methods for investigation with neutron optics system on reactor IR-8 of RRC “Kurchatov
Institute”
re a ne se Sic We ea ee Oe Ole Ee he a wa DE eee ees
(x)
Refractive Optics
Fabrication process and system for neutron refractive optics
H. Ohmori, W. Lin, J. Guo, Y. Uehara, S. Morita, N. Mitsuishi, K. Yoshikawa, M. Ohmori, K. Ikeda, T.
res ar; ne i > CT 3 oe. Cosa SoS gre ie er ee gy Brae ee 4 Gate oa ee a ee eke 106
(*)
Development of a compound focusing lens: improvement of signal—noise ratio
T. Adachi, K. Ikeda, T. Shinohara, K. Hirota, T. Oku, J. Suzuki, H. Sato, K. Hoshino, J. Guo, W. Lin, H.
OChinori, 7... Shieueu, K. Gakei, BC. Lattesll and C.-K. Loong... 6 i i ew iw 112
Feasibility study on application of a magnetic neutron lens to SANS experiments
T. Oku, J. Suzuki, H. Sasao, T. Adachi, T. Shinohara, K. Ikeda, T. Morishima, K. Sakai, Y. Kiyanagi, M.
a a cet a Bene a cas wx We SRN Oc A RR ls RR 116
Development of a magnetic focusing device for pulsed neutrons
J-i Suzuki, T. Oku, T. Adachi, H.M. Shimizu, Y. Kiyanagi, T. Kamiyama, F. Hiraga, H. Iwasa, K. Sato and
ee I Sy cath soos es eral a cee ae te e ar arh Nene Porm ys Gs Se aeily cog aire ek pt gk pith Sebo ace awe A 120
Nb3Sn coil R&D of a superconducting sextupole magnet for neutron refractive optics device
I. Watanabe, S. Hanai, M. Kyoto, T. Shintomi, K. Tsuchiya, J.-i. Suzuki, T. Oku, T. Adachi and H.M.
ea cokC e et eas AS OV a i i GE GNG a ee Tena oa Magee Beek ta a gC lea aaa ea at
Poly-capillary lens for neutrons
NS FEEL ALE EEE IA AD TOE AUER PETE PEG IEE na gee Tee
(*)
Development of an optical device for thermal neutrons by amorphous perfluoropolymer
T. Shinohara, T. Adachi, K. Ikeda, T. Morishima, K. Hirota, H.M. Shimizu, T. Oku and J. Suzuki..... 134
Diffractive Optics
Bragg diffraction optics in neutron diffractometry
P. Mikula, M. Vrana, M. Furusaka, V. Wagner, Y.-N. Choi, M.-K. Moon, V. Em and C.-H. Lee...... 138
Fresnel zone plates as neutron optical elements
M. Altissimo, E. Di Fabrizio, F. Ott, C. Petrillo and F. Sacchetti.........c.ec.e. w.c.cc.ac.ecns
Contents
Application of ultrasound for the simultaneous improvement intensity and resolution of the Bonse—Hart
diffractometer
7 2k 2 rrr: ie. cen. a. 6 ee EE oy ad kw ee ee ee wees
Production of copper and Heusler alloy CuxMnAl mosaic single crystals for neutron monochromators
gh ee ee eee ee rT ere eee re Te ees eee ee 157
Research of Ultrasonic Effects in the Neutron Diffraction by Means of Inelastic Scattering Technique
tea eC eS See Eh NN Te er i a ea ig eg eyes ue (*)
Random-walk algorithm for the simulation of neutron diffraction in deformed mosaic crystals
MN ee tN he as ee oo rec nie ihe a ea a a a A al saree a ee ee eine eeS N ave bce ack gah ak ee 162
Investigation on possibility of neutron electric optical devices based on piezoelectric single crystals
J.H. Kaneko, Y. Otake, H. Fujimoto, S. Kawamura, M. Watanabe, F. Fujita, T. Sawamura, P. Mikula and
ID So ove gots y Ci ar Be tee eel le win Ge Coke ing eee pe RE CREE Ch OREM OO 166
Bent Si monochromator—multi-detector neutron diffractometer installed at B4 super-mirror thermal guide tube
in KUR
N. Achiwa, S. Kawano, M. Hino, P. Mikula, M. Ono and T. Fukunaga......................... 169
Status of the development of the discrete multiple wavelength time of flight USANS for the SNS
I a eT a ace ca er a raly ed aa rn aac Re Ne og ety Wi git eRe RRS OECD 8
Interference
An epoch in cold neutron interferometry for fundamental physics—development of multilayer interferometer
I Na Dae Se er a a a a ee ee wh a ew ay 8 172
Quantum-engineered neutron states and phase space manipulations
DR a Ae re Ca 2 ey eG GR id es 9a EK EL RM OS CEN ERR OE OR es 176
Violation of Bell-type inequality in single-neutron interferometry: quantum contextuality
¥. esoeews, %.-Lom., G. Bedurek, M. Baron and 1. Rauch... 2. 2. ene 182
Hamiltonian of a free neutron in curved spacetime on the Earth
i oe ee ee be kc be owe ead ns Meee yeah ew be ewes 187
Cold-neutron interferometry using beam splitting etalons
M. Kitaguchi, H. Funahashi, T. Nakura, K. Taketani, M. Hino, Y. Otake and H.M. Shimizu......... 190
Spin Optics
Polarised nuclei for neutron science: recent applications and perspectives
aed cigs a eh Ma ea atc ca op WG Banas ack aie wa eR Fe NA A Oe a lak 4 wk 194
High proton polarization at high temperature with single crystals of aromatic molecules
M. linuma, Y. Takahashi, I. Shake, M. Oda, A. Masaike, T. Yabuzaki and H.M. Shimizu ........... 199
Polari-z ed “3 He gas as a polariz# er and analyzer for the spi. n of low-energy neutron
Pulse shaping by means of spatial neutron spin resonance
i. vememen, &.. povema. t. Bemawe. B. Arewe oad S. Taseki.. 2... 6 is ec elas vasa 204
Formation of very short pulse by neutron spin flip chopper for J-PARC
T. Ebisawa, K. Soyama, D. Yamazaki, S. Tasaki, K. Sakai, T. Oku, R. Maruyama and M. Hino.......
Contents
Simulations on a beam divergence correction coil for neutron resonance spin echo
R. Maruyama, T. Ebisawa, M. Hino, S. Tasaki and Y. Kawabata...20..... 0.0... ...ee e
i) padW w
Simulation
A survey of simulations of complex neutronic systems by VITESS
G. Zsigmond, K. Lieutenant, S. Manoshin, H.N. Bordallo, J.D.M. Champion, J. Peters, J.M. Carpenter and
ae NERS Ree ok OS GE ke AE, Pe OEE 2 pn arkecs We EE aon ae a ae Pow Gees
Monte-Carlo simulation codes development and their applications to neutron optical devices and neutron
scattering instruments
M. Furusaka, K. Nita, S. Suzuki, K. Fujita, J. Suzuki, T. Oku, H.M. Shimizu, T. Otomo and M. Misawa
A method for detailed simulations of neutron diffraction from imperfect crystals
L. Alianelli, N. Wilson, K.H. Andersen, M.S. del Rio and R. Felici....0..0..0.... .00.. .ee.e .ee e
Performance of upgraded thermal neutron guides with supermirrors at JRR-3
I. Tamura, M. Suzuki, T. Hazawa, A. Moriai, N. Hori, F. Sasajima and K. Soyama................
Radiography
Applications of neutron radiography in the emerging hydrogen economy
High contrast neutron radiography with optical devices in Kyoto University reactor
Y. Kawabata, T. Nakano, M. Hino, H. Sunohara, U. Matsushima and N. Takenaka ...............
Section III. Position-Sensitive Neutron Detectors
Detector Status and Prospect
Status of neutron detector development at Brookhaven
Rr hate lage ee ha hed be ar ak ee ee ge dsd ee tia ee A en ete ea aig rg qoutes gerade
Development of gaseous detectors at the ILL: MSGC, MWPC, and Multi-tubes
III ok ihN ed Cee Sie rasa gS patent gs ona hace ora tla ac nag lpg Ci eit a sacar ap gowO ko mae oe abe an
Current status and future directions of position sensitive neutron detectors at ISIS
NJ. Gomes, EM. Senoomeved eam GS. Ticcieton «ne. i ee ee eee ee eee ee es
Status of the FLNP project on neutron position-sensitive detectors
is Ss tae. ces UN HL, EI 5 goo we i ee On ee Wes 249
Development status of position-sensitive neutron detectors for J-PARC in JAERI—a comprehensive overview
I fae watt Rte AS tn es es ht we eer aca Te Be Mae wy eich e Aka Mei eee Ae EE
Scintillators
Inorganic thermal-neutron scintilators
eg: en: a Or se Redes cw wlietd 5 abaca. ae Sb iv elles @ RO SE ee
Luminescence properties of Ce°~ activated lithium borate glass as a neutron scintillator
An improved detector for powder diffractometers
I a OI I EIS 8S) ik NR eI hs Og Yael COE awa taco a)g ues a twsee le Wie www hoe
Contents
Scintillation materials for neutron imaging detectors
M. Katagiri, K. Sakasai, M. Matsubayashi, T. Nakamura, Y. Kondo, Y. Chujo, H. Nanto and
oe REE ap ieniiin PEA Pa oc akin irec ai PA igeaeens te ib Ye eee ie ree ahs tee are ee ee aa en eg eee 274
Neutron imaging device using position-sensitive photomultipliers
TP EER agn pO RLe e ene Drg ee Mang NRA MENU gO See ST RTL ie raw a a arw eeny ae Weare Wry r era ra tkC r arent aeg m 280
Shifting scintillator prototype large pixel wavelength-shifting fiber detector for the POWGEN3 powder
diffractometer
es ee a I I og a hie ya age Wie a We Blk Ma KN MRO 8 Rae wen ae ees 287
The resonant detector and its application to epithermal neutron spectroscopy
G. Gorini, E. Perelli-Cippo, M. Tardocchi, C. Andreani, A. D’Angelo, A. Pietropaolo, R. Senesi, S. Imbert,
A. Bracco, E. Previtali, G. Pessina, N.J. Rhodes and E.M. Schooneveld..................250008- 293
Development of position-sensitive neutron detector based on scintillator
K. Sakai, K. Hirota, T. Adachi, K. Ikeda, T. Morishima, H.M. Shimizu, M. Furusaka, S. Sato,
Y. Kiyanagi, N. Sakamoto, T. Sakuma, T. Oku, J. Suzuki, K. Littrell, C.-K. Loong, J.B. Czirr and
IE ee ig ee ee eee Ee NE OE Se Pe Vie’ RS ERP IONS OW ewan eo 30]
Preliminary results on development of a thin GSO scintillator for neutron science
J.H. Kaneko, N. Susa, S. Tsuchida, M. Watanabe, S. Miura, T. Mizuno, Y. Yamauchi, M. Hashiba, T. Oku,
A. Homma, F. Fujita, T. Ino, M. Furusaka, T. Sawamura, H.M. Shimizu and Y. Kiyanagi........... 307
Measurements of performance of a pixel-type two-dimensional position sensitive Li-glass neutron detector
K. Mizukami, S. Sato, H. Sagehashi, S. Ohnuma, M. Ooi, H. Iwasa, F. Hiraga, T. Kamiyama and Y.
I hate Weaisin aa uey wt ery ie aku ne eee wie ey coe Pee Bid hare ain eS ee vie ea ache de 310
A compact neutron detector using scintillators with wavelength shifting fibers by backside readout method
M. Katagiri, M. Matsubayashi, K. Sakasai, T. Nakamura, M. Ebine, A. Birumachi and N. Rhodes..... 313
Neutron/y-ray discrimination characteristics of novel neutron scintillators
M. Katagiri, K. Sakasai, M. Matsubayashi and T. Kojima ...... 0... ccc te tee ees 317
Evaluation of ZnS-family phosphors for neutron detectors using photon counting method
ee en, ee, OEM hsCe ead pO bte eb e ee be he kw ee s 321
Neutron scintillators with high detection efficiency
T. Kojima, M. Katagiri, N. Tsutsui, K. Imai, M. Matsubayashi and K. Sakasai................... 325
Organic scintillators containing 'B for neutron detectors
e. eeeye, F. Beeteumote, ¥. Rondo, Y. Chwio and M. Matagiri. et eee eee 329
Gas Detectors
A test of track imaging by cold neutron using optical capillary gas proportional counter
F. Tokanai, 5. Motegi, H. Sakurai, §. Gunii, J.-i. Suzuki and T. Oku. ... 0... eee eee 332
Development of a high-performance microstrip gas chamber with a capability of track discrimination for neutron
detection
T. Nakamura, H. Yamagishi, S. Masaoka, K. Soyama and K. Aizawa.......00.00. c.e e.e .ee.ae s 336
A large position sensitive detector for small angle neutron scattering
M. Moon ( * )
2D-MWPC for the new reflectometer REFSANS/FRM-II: performance of the prototype
R. Kampmann, M. Marmotti, M. Haese-Seiller and V. Kudryashov.....0..0.00. e. e.ee. ee.e.ae s
Contents
Development of a two-dimensional multi-grid-type microstrip gas chamber for spallation neutron source
H. Takahashi, P. Siritiprussamee, M. Kai, M. Nakazawa, T. Ino, M. Furusaka, S. Kishimoto, M. Taniguchi,
Foe ee as I a oe ea a hearace ow deca b ace dS ROP aaa WOR ACS ad Funes Pek A We ce 348
354
Development of hybrid low-pressure MSGC neutron detectors
B. Gebauer, S.S. Alimov, A.Yu. Klimov, F.V. Levchanovski, E.I. Litvinenko, A.S. Nikiforov, V.I.
Prikhodko, G. Richter, V.V. Rogov, Ch. Schulz, V.I. Shashkin, M. Wilhelm and Th. Wilpert..........
Microstrip gas chamber with individual read-out using two-level discriminators for neutron detection
H. Yamagishi, T. Nakamura, S. Masaoka, K. Soyama and K. Aizawa................2.2000000 s 365
Multi-grid-type microstrip gas counter with cathode signal encoding method for He-3 microstrip tube
(*)
Basic performance of a pressurized backgammon-type position-sensitive proportional counter for thermal
neutrons
T. Horiguchi, T. Itoh, S. Ito, T.Y amamoto, T. Miyasaka, J. Sakai, K. Shibata, Y. Masuda, A. Okumura and
369
High Resolution Detectors
Time projection chamber based on micro-pattern detector for neutron time-resolved imaging
T. Tanimori, H. Kubo, K. Miuchi, T. Nagayoshi, Y. Okada, R. Orito, A. Takada and A. Takeda...... 373
Characteristics of SrBPOs;:Ce** based materials as a neutron storage phosphor
K. Sakasai, M. Katagiri, M. Matsubayashi, T. Nakamura and Y. Kondo.....................04. 378
Preliminary examination of a CCD camera with a scintillator coated fiber optic plate for neutron imaging
ee RI LI ey i GG Caer uh are a ate are Giaecas Sis os neko oe aes 384
Electronic imaging with a neutron image intensifier for neutron radiography
RS ENE Saw gh mn e!R epo er koa ee tres Ba tee, Se, ee, gm Ra i, Cow EeR h gad FaMGR EN benta ay SO (*)
Dy-containing imaging plate for the digital neutron radiography
i ye hd a ee ae ae eke Mend a ear Ge yates ok royae a Karlee id as brete ete (*)
Development of scintillator for a high-frame-rate neutron radiography
es a a EL, BE ark el paw OSE Kaagh/ SN & BP PRN Oe ee, ERK 389
Detector Discussion on Next-Generaton Neutron Instruments
SNS detector plans
I aN cig ca aN AR oe a a a ie Ss Ee Ke ue yd wig al wie ale ee 394
A high performance multi-detector for reflectometry studies on D17 at the ILL
le ar ate Bane A oe Pa oe er is i aed ai ae (*)
Powder diffraction
Die 8 yng an ne oa ce kn ee a a Re es re ta a ee (*)
Reflectometer
IS ire See aah a cad dn eek Asay eM obc e Menees OME OL oe ea Nair te ates AO Ga ble te A a (*)
Single crystal diffraction
NS RETR. Ta NO Tae OG On LCE dO CNEL Ee we SasU PR aI FLOR SickS e BORE SES NE OD OR
XXVili Contents
Total scattering
(*)
I OOM a Se rR hh ea a Br Sd as esa ae es ce a pig arte Oe Te rag ME Ree ea (*)
(*)
Other Detectors and Electronics
Development of LSIs for high energy physics experiments
(*)
Real time digital signal processing in radiation measurements
Re a ei eg 5 a ter Pig ne ae ee se art he aie oy ae ile i Uy ee (*)
Detectors at new source FRM -II
I De a ag tO ems Sela ag ae Be Seog a aca owT h (*)
Use of liquid helium-3 as a neutron converter for a semiconductor-based neutron detector
T. Nakamura, M. Katagiri, Y. Aratono, I. Kanno, S. Hishiki, O. Sugiura and Y. Murase............ 399
Discrimination of neutrons and gamma rays by a neutron detector comprising a superconducting tunnel junction
on a single crystal of Li,B,07
T. Nakamura, M. Katagiri, K. Soyama, M. Ukibe, T. Ikeuchi and M. Ohkubo. ...................
Nanofabrication of superconducting MgB, neutron detector
S. Miki, K. Takahashi, D. Fujiwara, H. Shimakage, Z. Wang, K. Satoh, T. Yotsuya, K. Moriwaki, H.
Fukuda, S. Okayasu, M. Katagiri, Y. Morii, K. Hojou, N. Niimura and T. Ishida ................. 405
Direct numerical experiments for neutron detection using superconductor MgB,
es Ns kG eke ed RAN eA Re ee eee et 409
A PCI DAQ board for MWPC detectors with high-rate 2D delay line position readout
F.V. Levchanovski, B. Gebauer, E.I. Litvinenko, A.S. Nikiforov, V.I. Prikhodko, Ch. Schulz and Th. Wilpert 413
Development of a PMT and DAQ system for neutron detection
K. Hirota, K. Sakai, S. Sato, J.B. Czirr, D.B. Merrill, T.K. McKnight, T. Shinohara, K. Ikeda, Y. Takizawa,
De. Sperone. 1. Wecwemeeeee. 1. AGaces Gi FEE. BNE. ww oe tweeee e cete aee rers 417
Position encoding electronic system development in collaboration with KAO and KAERI
ee eRe Naas Ce I AE oh iy ality “sighs Mine h aS wok oo OD ew (*)
Development of readout systems for neutron detectors
S. Satoh, T. Ino, M. Furusaka, Y. Kiyanagi, N. Sakamoto and K. Sakai......................2.. 421
An abnormal ultra-cold-neutron absorption in solid UCN-detectors
T. Kitagaki, K. Sakai, M. Hino, M. Utsuro, M. Higuchi, P. Geltenbort and J. Butterworth........... 425
Signal processing system based on FPGAs for neutron imaging detectors using scintillators
M. Ebine, M. Katagiri, A. Birumachi, M. Matsubayashi, K. Sakasai and S. Sato ..................
Adequate Electronics for efficient Experiments
I ek thet ctr ree idl Pek SD ere ee a re pee a hlp hk beeaaee
RN CEE MIS ELT yD PCN oatSe al og i Rane SP a) RD Ry Cg ees age OE MCR Pe el EE ae8 ( Air A a ene a ae