Class information for:
Level 2: PHYSICS, ATOMIC, MOLECULAR & CHEMICAL//ALKALI LASERS//PENNING IONIZATION ELECTRON SPECTROSCOPY

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
6 4 CHEMISTRY, ORGANIC//CHEMISTRY, INORGANIC & NUCLEAR//CHEMISTRY, MULTIDISCIPLINARY 1698077
62 3       PHYSICS, ATOMIC, MOLECULAR & CHEMICAL//JOURNAL OF CHEMICAL PHYSICS//CHEMISTRY, PHYSICAL 90230
1865 2             PHYSICS, ATOMIC, MOLECULAR & CHEMICAL//ALKALI LASERS//PENNING IONIZATION ELECTRON SPECTROSCOPY 6408
7242 1                   NUCLEAR PUMPED LASER//FAK PHYS E12//NUCLEAR EXCITED PLASMA 1415
11898 1                   MOLECULAR ELECTRONIC BRANCHING RATIOS//UNIDAD LASE HACES MOLEC//QUIM FIS ARTADO 644 974
12148 1                   BA ATOMS//BAD 3J//LASIM UMR5579 956
13473 1                   ENERGY POOLING COLLISIONS//ENERGY POOLING//ATOM FUSED SILICA SURFACES 865
13980 1                   PENNING IONIZATION ELECTRON SPECTROSCOPY//PARTIAL IONIZATION CROSS SECTION//ROVIBRATIONAL DISTRIBUTION 831
14697 1                   CADMIUM DIMER//VAN DER WAALS MOLECULES//ETUD MILIEUX IONISES REACTIFS EMIR 783
25447 1                   LASER INDUCED COLLISIONAL ENERGY TRANSFER//LASER INDUCED COLLISIONAL ENERGY TRANSFER LICET//BA SR SYSTEM 305
26309 1                   ALKALI LASERS//DPAL//DIODE PUMPED ALKALI LASER 279

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PHYSICS, ATOMIC, MOLECULAR & CHEMICAL WoSSC 113924 52% 1% 3334
2 ALKALI LASERS authKW 68830 0% 100% 14
3 PENNING IONIZATION ELECTRON SPECTROSCOPY authKW 62924 0% 80% 16
4 JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS journal 59937 7% 3% 448
5 JOURNAL OF CHEMICAL PHYSICS journal 58944 16% 1% 1028
6 DPAL authKW 51925 0% 81% 13
7 DIODE PUMPED ALKALI LASER authKW 44693 0% 91% 10
8 CADMIUM DIMER authKW 39331 0% 100% 8
9 NUCLEAR PUMPED LASER authKW 37814 0% 77% 10
10 ALKALI VAPOR LASER authKW 34415 0% 100% 7

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Physics, Atomic, Molecular & Chemical 113924 52% 1% 3334
2 Optics 28768 29% 0% 1828
3 Chemistry, Physical 18922 37% 0% 2380
4 Spectroscopy 5676 9% 0% 555
5 Physics, Multidisciplinary 2502 11% 0% 677
6 Physics, Applied 1435 13% 0% 801
7 Instruments & Instrumentation 38 2% 0% 108
8 Engineering, Electrical & Electronic 15 4% 0% 249
9 Nuclear Science & Technology 14 1% 0% 79
10 Physics, Fluids & Plasmas 1 1% 0% 42

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ETUD MILIEUX IONISES REACTIFS EMIR 34415 0% 100% 7
2 HIGH POWER GAS LASER 29499 0% 100% 6
3 FAK PHYS E12 22468 0% 57% 8
4 INTERDESCIPLINARY QUANTUM INFORMAT 14749 0% 100% 3
5 POWER LASER DEV SECT 14749 0% 100% 3
6 UNIDAD LASE HACES MOLEC 14749 0% 100% 3
7 QUIM FIS ARTADO 644 14743 0% 50% 6
8 CATALYSIS SUR E PHYS 9833 0% 100% 2
9 DSM FRANCIS PERRINCNRSURA 2453 9833 0% 100% 2
10 LASIM UMR5579 9833 0% 100% 2

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS 59937 7% 3% 448
2 JOURNAL OF CHEMICAL PHYSICS 58944 16% 1% 1028
3 OPTIKA I SPEKTROSKOPIYA 28188 3% 3% 199
4 PHYSICAL REVIEW A 20648 8% 1% 542
5 CHEMICAL PHYSICS 19755 4% 2% 238
6 CHEMICAL PHYSICS LETTERS 19189 7% 1% 436
7 ZEITSCHRIFT FUR PHYSIK D-ATOMS MOLECULES AND CLUSTERS 14559 1% 3% 88
8 ANNALES DE PHYSIQUE 12317 1% 5% 56
9 KVANTOVAYA ELEKTRONIKA 9405 2% 2% 113
10 LASER CHEMISTRY 8629 0% 7% 26

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 ALKALI LASERS 68830 0% 100% 14 Search ALKALI+LASERS Search ALKALI+LASERS
2 PENNING IONIZATION ELECTRON SPECTROSCOPY 62924 0% 80% 16 Search PENNING+IONIZATION+ELECTRON+SPECTROSCOPY Search PENNING+IONIZATION+ELECTRON+SPECTROSCOPY
3 DPAL 51925 0% 81% 13 Search DPAL Search DPAL
4 DIODE PUMPED ALKALI LASER 44693 0% 91% 10 Search DIODE+PUMPED+ALKALI+LASER Search DIODE+PUMPED+ALKALI+LASER
5 CADMIUM DIMER 39331 0% 100% 8 Search CADMIUM+DIMER Search CADMIUM+DIMER
6 NUCLEAR PUMPED LASER 37814 0% 77% 10 Search NUCLEAR+PUMPED+LASER Search NUCLEAR+PUMPED+LASER
7 ALKALI VAPOR LASER 34415 0% 100% 7 Search ALKALI+VAPOR+LASER Search ALKALI+VAPOR+LASER
8 VAN DER WAALS MOLECULES 29475 0% 33% 18 Search VAN+DER+WAALS+MOLECULES Search VAN+DER+WAALS+MOLECULES
9 ENERGY POOLING 26216 0% 67% 8 Search ENERGY+POOLING Search ENERGY+POOLING
10 ATOMIC GAS LASERS 24582 0% 100% 5 Search ATOMIC+GAS+LASERS Search ATOMIC+GAS+LASERS

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 2



rank cluster_id2 link
1 2222 COPPER VAPOR LASER//KVANTOVAYA ELEKTRONIKA//METAL VAPOR LASER
2 1053 JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS//PHYSICA SCRIPTA//ATOMIC DATA AND NUCLEAR DATA TABLES
3 3143 ETHYLBENZENE DEHYDROGENATION//RYDBERG ATOMS//ETHYLBENZENE
4 943 JOURNAL OF CHEMICAL PHYSICS//PHYSICS, ATOMIC, MOLECULAR & CHEMICAL//CHEMISTRY, PHYSICAL
5 434 PHYSICS, ATOMIC, MOLECULAR & CHEMICAL//JOURNAL OF MOLECULAR SPECTROSCOPY//JOURNAL OF CHEMICAL PHYSICS
6 1022 JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS//PHYSICS, ATOMIC, MOLECULAR & CHEMICAL//PHYSICAL REVIEW A
7 1820 STERLING CHEM//PHYSICS, ATOMIC, MOLECULAR & CHEMICAL//SOLVATED ELECTRON
8 1893 OPTICS//PHYSICAL REVIEW A//SUPERRADIANCE
9 1957 HYPERPOLARIZED GAS//HYPERPOLARIZED//ATOMIC MAGNETOMETER
10 93 PHYSICS, ATOMIC, MOLECULAR & CHEMICAL//JOURNAL OF CHEMICAL PHYSICS//CHEMISTRY, PHYSICAL

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