Class information for:
Level 1: X RAY LASER//SOFT X RAY LASER//SPECT ATOM ION

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
269 3       PHYSICS OF PLASMAS//PHYSICS, FLUIDS & PLASMAS//LASER AND PARTICLE BEAMS 44532
561 2             LASER AND PARTICLE BEAMS//LASER ENERGET//Z PINCH 15000
2219 1                   X RAY LASER//SOFT X RAY LASER//SPECT ATOM ION 2355

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 X RAY LASER authKW 946485 5% 56% 127
2 SOFT X RAY LASER authKW 637067 2% 90% 53
3 SPECT ATOM ION address 321247 2% 51% 47
4 LSAI address 240848 1% 75% 24
5 CAPILLARY DISCHARGE authKW 230841 1% 51% 34
6 XRAY LASERS address 125437 1% 63% 15
7 INSTITUTE OF PHYSICS CONFERENCE SERIES journal 105953 12% 3% 278
8 LIXAM address 102755 1% 30% 26
9 TRANSIENT COLLISIONAL EXCITATION authKW 93668 0% 100% 7
10 COLLISIONAL EXCITATION authKW 83742 1% 48% 13

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Optics 25380 43% 0% 1020
2 Physics, Multidisciplinary 10398 31% 0% 730
3 Physics, Applied 3578 27% 0% 632
4 Physics, Fluids & Plasmas 3421 10% 0% 230
5 Physics, Atomic, Molecular & Chemical 2073 13% 0% 299
6 Spectroscopy 495 5% 0% 108
7 Instruments & Instrumentation 183 4% 0% 86
8 Physics, Mathematical 167 3% 0% 72
9 Engineering, Electrical & Electronic 58 6% 0% 136
10 Physics, Nuclear 32 2% 0% 44

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SPECT ATOM ION 321247 2% 51% 47
2 LSAI 240848 1% 75% 24
3 XRAY LASERS 125437 1% 63% 15
4 LIXAM 102755 1% 30% 26
5 NSF ERC EXTREME ULTRAVIOLET SCI TECHNOL 77543 1% 29% 20
6 GAS LASERS 74098 1% 46% 12
7 ENGN EXTREME ULTRAVIOLET SCI TECHNOL 72934 1% 42% 13
8 UMR 8624 70398 1% 26% 20
9 LASERIX 68816 0% 86% 6
10 INFNLNGS 53525 0% 100% 4

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 INSTITUTE OF PHYSICS CONFERENCE SERIES 105953 12% 3% 278
2 LASER AND PARTICLE BEAMS 24285 3% 3% 65
3 JOURNAL DE PHYSIQUE IV 12342 4% 1% 98
4 JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER 10530 3% 1% 75
5 JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS 10038 4% 1% 92
6 PHYSICAL REVIEW A 7037 8% 0% 192
7 KVANTOVAYA ELEKTRONIKA 6787 2% 1% 58
8 COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE IV PHYSIQUE ASTROPHYSIQUE 5651 0% 4% 10
9 OPTICS COMMUNICATIONS 4338 4% 0% 94
10 HIGH ENERGY DENSITY PHYSICS 4337 1% 2% 14

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 X RAY LASER 946485 5% 56% 127 Search X+RAY+LASER Search X+RAY+LASER
2 SOFT X RAY LASER 637067 2% 90% 53 Search SOFT+X+RAY+LASER Search SOFT+X+RAY+LASER
3 CAPILLARY DISCHARGE 230841 1% 51% 34 Search CAPILLARY+DISCHARGE Search CAPILLARY+DISCHARGE
4 TRANSIENT COLLISIONAL EXCITATION 93668 0% 100% 7 Search TRANSIENT+COLLISIONAL+EXCITATION Search TRANSIENT+COLLISIONAL+EXCITATION
5 COLLISIONAL EXCITATION 83742 1% 48% 13 Search COLLISIONAL+EXCITATION Search COLLISIONAL+EXCITATION
6 GRAZING INCIDENCE PUMPING 66906 0% 100% 5 Search GRAZING+INCIDENCE+PUMPING Search GRAZING+INCIDENCE+PUMPING
7 NI LIKE IONS 66906 0% 100% 5 Search NI+LIKE+IONS Search NI+LIKE+IONS
8 PULSE TRAIN LASER 66906 0% 100% 5 Search PULSE+TRAIN+LASER Search PULSE+TRAIN+LASER
9 NE LIKE GE 53525 0% 100% 4 Search NE+LIKE+GE Search NE+LIKE+GE
10 NICKEL LIKE IONS 53525 0% 100% 4 Search NICKEL+LIKE+IONS Search NICKEL+LIKE+IONS

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 9883 LASER AND PARTICLE BEAMS//GEOTHERMAL DSC//DIPARTIMENTO FIS G OCCHIALINI
2 12504 HIGH ENERGY DENSITY PHYSICS//OPACITY//RADIATIVE OPACITY
3 13187 MULTICHARGED IONS SPE A DATA//GC LNGS//DIELECTRONIC SATELLITES
4 11673 GAS PUFF TARGET//EUV SOURCE//DISCHARGE PRODUCED PLASMA
5 30724 TRANSMISSION GRATING//SPACE NANOTECHNOL//FREESTANDING TRANSMISSION GRATING
6 24051 IONIC EXCIMER//ELE ON PROC//ATOMIC EXCITATION BY ELECTRON IMPACT
7 10160 TIME OLVED DIFFRACT//MOL MOVIES//SPECT ULTRAR IDE
8 682 ATOMIC DATA AND NUCLEAR DATA TABLES//PHYSICA SCRIPTA//ATOMIC DATA
9 33122 ATOM NUCL LASER SPECT//QED PERTURBATION THEORY//ELECTRODYNAMICAL MODEL
10 26341 LEAF DETAILS//X RAY CONTACT MICROSCOPY//SOFT X RAY CONTACT MICROSCOPY

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