Class information for:
Level 2: HYPERPOLARIZED GAS//HYPERPOLARIZED//ATOMIC MAGNETOMETER

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
141 3       PHYSICAL REVIEW A//OPTICS//PHYSICS, ATOMIC, MOLECULAR & CHEMICAL 66180
1957 2             HYPERPOLARIZED GAS//HYPERPOLARIZED//ATOMIC MAGNETOMETER 6078
7015 1                   HYPERPOLARIZED GAS//HYPERPOLARIZED//HYPERPOLARIZED HE 3 1443
7066 1                   ATOMIC MAGNETOMETER//COHERENT POPULATION TRAPPING//ATOMIC CLOCKS 1437
8643 1                   MODULATION TRANSFER SPECTROSCOPY//IODINE SPECTROSCOPY//OPTICAL FREQUENCY STANDARD 1264
10306 1                   FREQUENCY STABILIZATION//SATURATED ABSORPTION SPECTROSCOPY//EXTERNAL CAVITY DIODE LASER 1105
22545 1                   UMR 7538//PHYS LASERS//N TYPE RESONANCE 400
23750 1                   DOPPLER GLOBAL VELOCIMETRY//PLANAR DOPPLER VELOCIMETRY//ATOMIC FILTER 359
38100 1                   IOFFE PHYSICOTECHNOL//OPTICS AND SPECTROSCOPY//AF IOFFE PHYSICOTECH 70

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 HYPERPOLARIZED GAS authKW 331932 1% 82% 78
2 HYPERPOLARIZED authKW 191539 1% 60% 62
3 ATOMIC MAGNETOMETER authKW 189413 1% 89% 41
4 HYPERPOLARIZED HE 3 authKW 166443 1% 94% 34
5 HYPERPOLARIZED XE 129 authKW 160843 1% 97% 32
6 FREQUENCY STABILIZATION authKW 143141 1% 47% 59
7 NEUTRON SPIN FILTER authKW 135458 0% 93% 28
8 HYPERPOLARIZED HELIUM authKW 99384 0% 91% 21
9 HYPERPOLARIZED NOBLE GAS authKW 93302 0% 100% 18
10 HYPERPOLARIZED XENON authKW 93290 0% 75% 24

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Optics 56168 40% 0% 2445
2 Instruments & Instrumentation 8351 12% 0% 749
3 Physics, Applied 7251 24% 0% 1470
4 Physics, Atomic, Molecular & Chemical 6733 14% 0% 855
5 Spectroscopy 6694 10% 0% 582
6 Physics, Multidisciplinary 2491 11% 0% 655
7 Radiology, Nuclear Medicine & Medical Imaging 2041 8% 0% 502
8 Engineering, Electrical & Electronic 1918 13% 0% 781
9 Engineering, General 266 2% 0% 130
10 Education, Scientific Disciplines 48 1% 0% 40

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 IN VIVO HYPERPOLARIZED GAS MR IMAGING 72891 0% 94% 15
2 ERC PROJECT BIOSENSORIMAGING 64788 0% 83% 15
3 UNIT RADIOL 58679 1% 19% 59
4 IN VIVO MICROSCOPY 49066 1% 28% 34
5 TIME FREQUENCY 48133 1% 14% 66
6 DSFTA 32291 0% 69% 9
7 PHYS LASERS 31058 1% 10% 59
8 UMR 7538 26159 0% 17% 30
9 INVIVO HYPERPOLARIZED GAS MR IMAGING 25917 0% 100% 5
10 STATE ADV OPT COMMUN SYST NETWORK 24943 0% 28% 17

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 OPTIKA I SPEKTROSKOPIYA 17741 3% 2% 154
2 METROLOGIA 16701 2% 3% 96
3 MAGNETIC RESONANCE IN MEDICINE 16064 3% 2% 176
4 KVANTOVAYA ELEKTRONIKA 14435 2% 2% 136
5 PHYSICAL REVIEW A 13177 7% 1% 424
6 OPTICS COMMUNICATIONS 12796 4% 1% 259
7 IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT 9854 2% 1% 133
8 OPTICS LETTERS 9329 4% 1% 237
9 APPLIED PHYSICS B-LASERS AND OPTICS 8999 2% 2% 117
10 OPTICS AND SPECTROSCOPY 8055 2% 2% 95

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 HYPERPOLARIZED GAS 331932 1% 82% 78 Search HYPERPOLARIZED+GAS Search HYPERPOLARIZED+GAS
2 HYPERPOLARIZED 191539 1% 60% 62 Search HYPERPOLARIZED Search HYPERPOLARIZED
3 ATOMIC MAGNETOMETER 189413 1% 89% 41 Search ATOMIC+MAGNETOMETER Search ATOMIC+MAGNETOMETER
4 HYPERPOLARIZED HE 3 166443 1% 94% 34 Search HYPERPOLARIZED+HE+3 Search HYPERPOLARIZED+HE+3
5 HYPERPOLARIZED XE 129 160843 1% 97% 32 Search HYPERPOLARIZED+XE+129 Search HYPERPOLARIZED+XE+129
6 FREQUENCY STABILIZATION 143141 1% 47% 59 Search FREQUENCY+STABILIZATION Search FREQUENCY+STABILIZATION
7 NEUTRON SPIN FILTER 135458 0% 93% 28 Search NEUTRON+SPIN+FILTER Search NEUTRON+SPIN+FILTER
8 HYPERPOLARIZED HELIUM 99384 0% 91% 21 Search HYPERPOLARIZED+HELIUM Search HYPERPOLARIZED+HELIUM
9 HYPERPOLARIZED NOBLE GAS 93302 0% 100% 18 Search HYPERPOLARIZED+NOBLE+GAS Search HYPERPOLARIZED+NOBLE+GAS
10 HYPERPOLARIZED XENON 93290 0% 75% 24 Search HYPERPOLARIZED+XENON Search HYPERPOLARIZED+XENON

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 1969 ELECTROMAGNETICALLY INDUCED TRANSPARENCY//SPONTANEOUSLY GENERATED COHERENCE//SLOW LIGHT
2 1640 TIME FREQUENCY//ATOMIC CLOCKS//FREQUENCY STANDARD
3 1588 QUANTUM CASCADE LASER//WAVELENGTH MODULATION SPECTROSCOPY//WAVELENGTH MODULATION
4 2104 PHOTON ECHO//SPECTRAL HOLE BURNING//QUANTUM MEMORY
5 3100 ULTRACOLD NEUTRONS//ULTRA COLD NEUTRONS//NEUTRON DECAY
6 2517 DYNAMIC NUCLEAR POLARIZATION//HYPERPOLARIZATION//PARAHYDROGEN
7 1053 JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS//PHYSICA SCRIPTA//ATOMIC DATA AND NUCLEAR DATA TABLES
8 3370 SELF MIXING INTERFERENCE//SELF MIXING INTERFEROMETRY//SELF MIXING
9 1893 OPTICS//PHYSICAL REVIEW A//SUPERRADIANCE
10 1865 PHYSICS, ATOMIC, MOLECULAR & CHEMICAL//ALKALI LASERS//PENNING IONIZATION ELECTRON SPECTROSCOPY

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