Class information for:
Level 1: OPTICAL KLYSTRON//STORAGE RING//FREE ELECTRON LASER

Basic class information

Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes

The table includes all classes above and classes immediately below the current class.



Cluster id Level Cluster label #P
13 4 PHYSICS, PARTICLES & FIELDS//PHYSICS, NUCLEAR//OPTICS 1062565
228 3       PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS//NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT//FREE ELECTRON LASER 48839
1890 2             FREE ELECTRON LASER//NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT//UNDULATOR 6328
14570 1                   OPTICAL KLYSTRON//STORAGE RING//FREE ELECTRON LASER 790

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 OPTICAL KLYSTRON authKW 576050 2% 76% 19
2 STORAGE RING authKW 320691 9% 12% 68
3 FREE ELECTRON LASER authKW 223099 11% 7% 83
4 FEL address 211932 3% 25% 21
5 DIELECTRIC MULTILAYER MIRROR authKW 205164 1% 86% 6
6 STORAGE RING FREE ELECTRON LASER authKW 199466 1% 100% 5
7 FIS PLICATA address 135937 3% 15% 22
8 LONGITUDINAL DETUNING authKW 119680 0% 100% 3
9 SPAM address 100840 4% 9% 28
10 NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIAT journal 100818 41% 1% 324

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Nuclear Science & Technology 25729 52% 0% 413
2 Physics, Nuclear 20189 46% 0% 366
3 Instruments & Instrumentation 20066 50% 0% 394
4 Spectroscopy 18790 42% 0% 331
5 Physics, Particles & Fields 14401 44% 0% 349
6 Optics 505 12% 0% 93
7 Physics, Applied 405 17% 0% 135
8 Physics, Multidisciplinary 390 12% 0% 92
9 Engineering, Electrical & Electronic 100 9% 0% 73
10 Physics, Atomic, Molecular & Chemical 72 5% 0% 40

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 FEL 211932 3% 25% 21
2 FIS PLICATA 135937 3% 15% 22
3 SPAM 100840 4% 9% 28
4 DIPARTIMENTO INNOVAZ 59663 2% 11% 14
5 ACCELERATOR PHYS SYNCHROTRON RADIAT 53190 0% 67% 2
6 DRECAM 51406 5% 3% 38
7 CEA DSM DPHG SPAS 39893 0% 100% 1
8 CNR IMIP ROME BRANCH 39893 0% 100% 1
9 CR FRASCATI FISACC 39893 0% 100% 1
10 DIPARTIMENTO DI ENERGET 39893 0% 100% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 100818 41% 1% 324
2 IEEE TRANSACTIONS ON NUCLEAR SCIENCE 4727 6% 0% 45
3 NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH 2127 2% 0% 12
4 AIP CONFERENCE PROCEEDINGS 2063 1% 1% 10
5 NUCLEAR INSTRUMENTS & METHODS 1936 1% 1% 8
6 IEEE JOURNAL OF QUANTUM ELECTRONICS 1648 2% 0% 19
7 HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 1367 1% 0% 9
8 APPLIED PHYSICS B-PHOTOPHYSICS AND LASER CHEMISTRY 1228 1% 0% 7
9 JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS 1108 4% 0% 30
10 NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA B-GENERAL PHYSICS RELATIVITY ASTRONOMY AND MATHEMATICAL PHYSICS AND METHODS 946 1% 0% 6

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 OPTICAL KLYSTRON 576050 2% 76% 19 Search OPTICAL+KLYSTRON Search OPTICAL+KLYSTRON
2 STORAGE RING 320691 9% 12% 68 Search STORAGE+RING Search STORAGE+RING
3 FREE ELECTRON LASER 223099 11% 7% 83 Search FREE+ELECTRON+LASER Search FREE+ELECTRON+LASER
4 DIELECTRIC MULTILAYER MIRROR 205164 1% 86% 6 Search DIELECTRIC+MULTILAYER+MIRROR Search DIELECTRIC+MULTILAYER+MIRROR
5 STORAGE RING FREE ELECTRON LASER 199466 1% 100% 5 Search STORAGE+RING+FREE+ELECTRON+LASER Search STORAGE+RING+FREE+ELECTRON+LASER
6 LONGITUDINAL DETUNING 119680 0% 100% 3 Search LONGITUDINAL+DETUNING Search LONGITUDINAL+DETUNING
7 COHERENT HARMONIC 79787 0% 100% 2 Search COHERENT+HARMONIC Search COHERENT+HARMONIC
8 DETUNING CURVE 79787 0% 100% 2 Search DETUNING+CURVE Search DETUNING+CURVE
9 FREE ELECTRON LASER FACILITY 79787 0% 100% 2 Search FREE+ELECTRON+LASER+FACILITY Search FREE+ELECTRON+LASER+FACILITY
10 MACROPULSE 79787 0% 100% 2 Search MACROPULSE Search MACROPULSE

Core articles

The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1



rank cluster_id2 link
1 351 FREE ELECTRON LASER//NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT//SASE
2 17748 LASER COMPTON SCATTERING//COMPTON BACKSCATTERING//NUCLEAR RESONANCE FLUORESCENCE
3 32923 CANDOLUMINESCENCE//A FEW VIEWS TOMOGRAPHY//ACCELERATOR RECUPERATOR
4 37211 ULTRAFAST LASER DIAGNOSTICS//BEAM SIZE AND POSITION//DIAGNOSTICS OF REPEATED SIGNALS INCLUDING THOSE OF SYNCHROTRON RADIATION IN THE ACCUMULATION MODE
5 29747 RACETRACK MICROTRON//ALUMINUM MODEL//ANNULAR RING COUPLED STRUCTURE
6 20952 PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS//COUPLING IMPEDANCE//WAKE FIELD
7 16823 DYNAMIC APERTURE//SSRF STORAGE RING//SSRF
8 15857 UNDULATOR//INSERTION DEVICES//SUPERCONDUCTING UNDULATOR
9 38679 FELWI//PLANE WIGGLER//CHANNELED POSITRONS
10 37405 AL2O3 SIO2 FILM//DIRECT CURRENT DC ALTERNATING CURRENT AC POWER SUPPLY//ELECTRON BEAM WELDING EBW MACHINE

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