Class information for:
Level 1: TWO STREAM FREE ELECTRON LASER//GUIDE MAGNETIC FIELD//ELECTROMAGNETIC WIGGLER

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
955 2             GYROTRON//IEEE TRANSACTIONS ON PLASMA SCIENCE//HIGH POWER MICROWAVE 11076
8416 1                   TWO STREAM FREE ELECTRON LASER//GUIDE MAGNETIC FIELD//ELECTROMAGNETIC WIGGLER 1286

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 TWO STREAM FREE ELECTRON LASER authKW 147036 0% 100% 6
2 GUIDE MAGNETIC FIELD authKW 78418 0% 80% 4
3 ELECTROMAGNETIC WIGGLER authKW 73518 0% 100% 3
4 FUS ESTAB address 56010 0% 57% 4
5 FREE ELECTRON LASER authKW 49673 4% 4% 50
6 BEAM SELF FIELDS authKW 49012 0% 100% 2
7 ELECTROMAGNETIC WAVE WIGGLER authKW 49012 0% 100% 2
8 GUIDING CENTER VARIABLES authKW 49012 0% 100% 2
9 MATCHED INJECTION authKW 49012 0% 100% 2
10 SUPERHETERODYNE FREE ELECTRON LASER authKW 49012 0% 100% 2

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Physics, Fluids & Plasmas 9582 21% 0% 275
2 Spectroscopy 3929 15% 0% 199
3 Physics, Nuclear 3303 15% 0% 196
4 Nuclear Science & Technology 3082 15% 0% 190
5 Optics 2805 20% 0% 262
6 Instruments & Instrumentation 2669 15% 0% 192
7 Physics, Particles & Fields 2381 15% 0% 190
8 Physics, Applied 1616 25% 0% 318
9 Physics, Multidisciplinary 1549 17% 0% 220
10 Engineering, Electrical & Electronic 652 15% 0% 199

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 FUS ESTAB 56010 0% 57% 4
2 ERCH 26 24506 0% 100% 1
3 FUS ESTABLISHMENT 24506 0% 100% 1
4 PHYS GOVT 24506 0% 100% 1
5 PHYS SCI INFORMT ENGN 24506 0% 100% 1
6 SHANGHAI SYNCHROTRON RADIAT IL PROJECT TEAM 24506 0% 100% 1
7 PLASMA 13038 2% 2% 30
8 ADV STUDIES PHYS ASTRON 12252 0% 50% 1
9 ELECT PL 12252 0% 50% 1
10 ETUD ILE FRANCE 12252 0% 50% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ZHURNAL TEKHNICHESKOI FIZIKI 25074 6% 1% 79
2 NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 19305 14% 0% 182
3 RADIOTEKHNIKA I ELEKTRONIKA 13420 4% 1% 49
4 INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES 11665 3% 1% 41
5 PHYSICS OF PLASMAS 10735 7% 0% 93
6 JOURNAL OF PLASMA PHYSICS 5555 2% 1% 26
7 PHYSICS OF FLUIDS B-PLASMA PHYSICS 5444 2% 1% 21
8 IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII RADIOFIZIKA 5319 2% 1% 21
9 IEEE JOURNAL OF QUANTUM ELECTRONICS 4977 3% 0% 42
10 IEEE TRANSACTIONS ON PLASMA SCIENCE 4262 3% 0% 42

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 TWO STREAM FREE ELECTRON LASER 147036 0% 100% 6 Search TWO+STREAM+FREE+ELECTRON+LASER Search TWO+STREAM+FREE+ELECTRON+LASER
2 GUIDE MAGNETIC FIELD 78418 0% 80% 4 Search GUIDE+MAGNETIC+FIELD Search GUIDE+MAGNETIC+FIELD
3 ELECTROMAGNETIC WIGGLER 73518 0% 100% 3 Search ELECTROMAGNETIC+WIGGLER Search ELECTROMAGNETIC+WIGGLER
4 FREE ELECTRON LASER 49673 4% 4% 50 Search FREE+ELECTRON+LASER Search FREE+ELECTRON+LASER
5 BEAM SELF FIELDS 49012 0% 100% 2 Search BEAM+SELF+FIELDS Search BEAM+SELF+FIELDS
6 ELECTROMAGNETIC WAVE WIGGLER 49012 0% 100% 2 Search ELECTROMAGNETIC+WAVE+WIGGLER Search ELECTROMAGNETIC+WAVE+WIGGLER
7 GUIDING CENTER VARIABLES 49012 0% 100% 2 Search GUIDING+CENTER+VARIABLES Search GUIDING+CENTER+VARIABLES
8 MATCHED INJECTION 49012 0% 100% 2 Search MATCHED+INJECTION Search MATCHED+INJECTION
9 SUPERHETERODYNE FREE ELECTRON LASER 49012 0% 100% 2 Search SUPERHETERODYNE+FREE+ELECTRON+LASER Search SUPERHETERODYNE+FREE+ELECTRON+LASER
10 WIDE BAND MICROWAVE RADIATION 49012 0% 100% 2 Search WIDE+BAND+MICROWAVE+RADIATION Search WIDE+BAND+MICROWAVE+RADIATION

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 38679 FELWI//PLANE WIGGLER//CHANNELED POSITRONS
2 27506 BRAGG RESONATOR//COAXIAL BRAGG STRUCTURE//FREE ELECTRON MASER
3 351 FREE ELECTRON LASER//NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT//SASE
4 28385 MICROUNDULATOR//ELECTROSTATIC UNDULATOR//WIGGLER
5 27206 MODIFIED RAYLEIGH RANGE//BEAM IN MAGNETIZED PLASMA//LASER BEAM IN MAGNETIZED PLASMA
6 5567 SCI TECHNOL HIGH POWER MICROWAVE//HIGH POWER MICROWAVE HPM//HIGH POWER MICROWAVE
7 32105 PRIMARY ELECTRON BEAMS//RADIOTEKHNIKA I ELEKTRONIKA//ELECTRON PLASMA OSCILLATION
8 23349 PLASMA PHYSICS REPORTS//LENINSKIE GORY 1//RELATIVISTIC ELECTRONICS
9 15179 SMIRNOV MATH MECH//SUPERTRONS//LINEAR INDUCTION ACCELERATOR
10 21270 RADIOTEKHNIKA I ELEKTRONIKA//AUTODYNE CHARACTERISTICS//AUTODYNE OSCILLATOR

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