Class information for:
Level 1: NUCLEAR CLOCK//NUCLEAR FREQUENCY STANDARD//TH 229 ISOMER

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
19964 482 23.7 42%


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
2 4 MATERIALS SCIENCE, MULTIDISCIPLINARY//PHYSICS, APPLIED//PHYSICS, CONDENSED MATTER 2836879
702 3       HYPERFINE INTERACTIONS//NUCLEAR RESONANT SCATTERING//PERTURBED ANGULAR CORRELATION 6496
3717 2             QUANTUM NUCLEONICS//NUCLEAR CLOCK//ISOMERIC NUCLEI 1075
19964 1                   NUCLEAR CLOCK//NUCLEAR FREQUENCY STANDARD//TH 229 ISOMER 482

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 NUCLEAR CLOCK authKW 380102 1% 100% 6
2 NUCLEAR FREQUENCY STANDARD authKW 190051 1% 100% 3
3 TH 229 ISOMER authKW 190051 1% 100% 3
4 NUCLEAR EXCITATION authKW 172445 1% 39% 7
5 ELECTRONIC BRIDGE authKW 126701 0% 100% 2
6 NUCLEAR QUANTUM OPTICS authKW 126701 0% 100% 2
7 NUCLEAR TRANSITIONS IN THE LASER FIELD authKW 126701 0% 100% 2
8 PHOTONUCLEAR EXCITATION authKW 126701 0% 100% 2
9 THORIUM 229 authKW 114028 1% 60% 3
10 NUCLEAR ISOMERS authKW 108592 1% 29% 6

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Physics, Nuclear 9219 41% 0% 199
2 Physics, Multidisciplinary 2341 33% 0% 157
3 Physics, Particles & Fields 1105 16% 0% 79
4 Physics, Atomic, Molecular & Chemical 532 14% 0% 68
5 Optics 313 12% 0% 57
6 Nuclear Science & Technology 145 6% 0% 28
7 Instruments & Instrumentation 60 4% 0% 21
8 Spectroscopy 26 3% 0% 13
9 Chemistry, Inorganic & Nuclear 12 3% 0% 14
10 Physics, Condensed Matter 7 4% 0% 21

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 ACCLERATOR IL 63350 0% 100% 1
2 BNM LPRI 63350 0% 100% 1
3 CEACELIA UMR 5107 63350 0% 100% 1
4 ESTRU UA MATERIA 63350 0% 100% 1
5 FIZ CORPUSCULAR 63350 0% 100% 1
6 NISHINA ACCELERATOR BASE SCI 63350 0% 100% 1
7 UNIV TECHNOL TRANSFER 63350 0% 100% 1
8 CEA COURS LIBERAT 351 31674 0% 50% 1
9 QUANTUM NUCLEON SECT 31674 0% 50% 1
10 RADIOL CRIT 31674 0% 50% 1

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 IZVESTIYA AKADEMII NAUK SSSR SERIYA FIZICHESKAYA 13090 7% 1% 32
2 PHYSICAL REVIEW C 11735 16% 0% 76
3 ATOMIC DATA AND NUCLEAR DATA TABLES 6917 2% 1% 9
4 IZVESTIYA AKADEMII NAUK SERIYA FIZICHESKAYA 5492 4% 1% 17
5 SOVIET JOURNAL OF NUCLEAR PHYSICS-USSR 4561 4% 0% 19
6 NUCLEAR DATA SHEETS 1982 1% 1% 5
7 ZHURNAL EKSPERIMENTALNOI I TEORETICHESKOI FIZIKI 1952 3% 0% 14
8 PHYSICS OF ATOMIC NUCLEI 1553 2% 0% 12
9 JETP LETTERS 1373 3% 0% 16
10 HYPERFINE INTERACTIONS 1158 2% 0% 12

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 NUCLEAR CLOCK 380102 1% 100% 6 Search NUCLEAR+CLOCK Search NUCLEAR+CLOCK
2 NUCLEAR FREQUENCY STANDARD 190051 1% 100% 3 Search NUCLEAR+FREQUENCY+STANDARD Search NUCLEAR+FREQUENCY+STANDARD
3 TH 229 ISOMER 190051 1% 100% 3 Search TH+229+ISOMER Search TH+229+ISOMER
4 NUCLEAR EXCITATION 172445 1% 39% 7 Search NUCLEAR+EXCITATION Search NUCLEAR+EXCITATION
5 ELECTRONIC BRIDGE 126701 0% 100% 2 Search ELECTRONIC+BRIDGE Search ELECTRONIC+BRIDGE
6 NUCLEAR QUANTUM OPTICS 126701 0% 100% 2 Search NUCLEAR+QUANTUM+OPTICS Search NUCLEAR+QUANTUM+OPTICS
7 NUCLEAR TRANSITIONS IN THE LASER FIELD 126701 0% 100% 2 Search NUCLEAR+TRANSITIONS+IN+THE+LASER+FIELD Search NUCLEAR+TRANSITIONS+IN+THE+LASER+FIELD
8 PHOTONUCLEAR EXCITATION 126701 0% 100% 2 Search PHOTONUCLEAR+EXCITATION Search PHOTONUCLEAR+EXCITATION
9 THORIUM 229 114028 1% 60% 3 Search THORIUM+229 Search THORIUM+229
10 NUCLEAR ISOMERS 108592 1% 29% 6 Search NUCLEAR+ISOMERS Search NUCLEAR+ISOMERS

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.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 TKALYA, EV , SCHNEIDER, C , JEET, J , HUDSON, ER , (2015) RADIATIVE LIFETIME AND ENERGY OF THE LOW-ENERGY ISOMERIC LEVEL IN TH-229.PHYSICAL REVIEW C. VOL. 92. ISSUE 5. P. - 45 88% 5
2 PEIK, E , OKHAPKIN, M , (2015) NUCLEAR CLOCKS BASED ON RESONANT EXCITATION OF GAMMA-TRANSITIONS.COMPTES RENDUS PHYSIQUE. VOL. 16. ISSUE 5. P. 516 -523 38 83% 9
3 STELLMER, S , SCHREITL, M , SCHUMM, T , (2015) RADIOLUMINESCENCE AND PHOTOLUMINESCENCE OF TH:CAF2 CRYSTALS.SCIENTIFIC REPORTS. VOL. 5. ISSUE . P. - 35 88% 4
4 VON DER WENSE, L , SEIFERLE, B , LAATIAOUI, M , NEUMAYR, JB , MAIER, HJ , WIRTH, HF , MOKRY, C , RUNKE, J , EBERHARDT, K , DULLMANN, CE , ET AL (2016) DIRECT DETECTION OF THE TH-229 NUCLEAR CLOCK TRANSITION.NATURE. VOL. 533. ISSUE 7601. P. 47 -+ 33 72% 5
5 TKALYA, EV , NIKOLAEV, AV , (2016) MAGNETIC HYPERFINE STRUCTURE OF THE GROUND-STATE DOUBLET IN HIGHLY CHARGED IONS TH-229(89+,87+) AND THE BOHR-WEISSKOPF EFFECT.PHYSICAL REVIEW C. VOL. 94. ISSUE 1. P. - 39 81% 0
6 STELLMER, S , SCHREITL, M , KAZAKOV, GA , STERBA, JH , SCHUMM, T , (2016) FEASIBILITY STUDY OF MEASURING THE TH-229 NUCLEAR ISOMER TRANSITION WITH U-233-DOPED CRYSTALS.PHYSICAL REVIEW C. VOL. 94. ISSUE 1. P. - 34 87% 0
7 DZYUBLIK, AY , (2016) COMBINED ATOMIC-NUCLEAR DECAY.PHYSICS OF ATOMIC NUCLEI. VOL. 79. ISSUE 3. P. 351 -357 30 94% 0
8 JEET, J , SCHNEIDER, C , SULLIVAN, ST , RELLERGERT, WG , MIRZADEH, S , CASSANHO, A , JENSSEN, HP , TKALYA, EV , HUDSON, ER , (2015) RESULTS OF A DIRECT SEARCH USING SYNCHROTRON RADIATION FOR THE LOW-ENERGY TH-229 NUCLEAR ISOMERIC TRANSITION.PHYSICAL REVIEW LETTERS. VOL. 114. ISSUE 25. P. - 25 81% 9
9 KAZAKOV, GA , SCHAUER, V , SCHWESTKA, J , STELLMER, SP , STERBA, JH , FLEISCHMANN, A , GASTALDO, L , PABINGER, A , ENSS, C , SCHUMM, T , (2014) PROSPECTS FOR MEASURING THE TH-229 ISOMER ENERGY USING A METALLIC MAGNETIC MICROCALORIMETER.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT. VOL. 735. ISSUE . P. 229-239 26 81% 4
10 KAZAKOV, GA , LITVINOV, AN , ROMANENKO, VI , YATSENKO, LP , ROMANENKO, AV , SCHREITL, M , WINKLER, G , SCHUMM, T , (2012) PERFORMANCE OF A (229)THORIUM SOLID-STATE NUCLEAR CLOCK.NEW JOURNAL OF PHYSICS. VOL. 14. ISSUE . P. - 25 76% 31

Classes with closest relation at Level 1


Rank Class id link
1 24172 QUANTUM NUCLEONICS//ISOMERIC NUCLEI//HIDDEN POPULATION INVERSION
2 18582 KLL TRANSITIONS//NATURAL ATOMIC LEVEL WIDTH//KLM TRANSITIONS
3 30890 CURRENT PROBABILITY DISTRIBUTION//MAGNETIC STRUCTURAL PROCESSING//ATTRACTIVE DELTA POTENTIAL
4 37339 RADIOACTIVITY LU 171//984 KEV YB 171//BETA DECAY TO ROTATIONAL BANDS
5 23223 ISOMERIC YIELD RATIO//POHANG NEUTRON FACILITY//GDR REGION
6 4015 SIGNATURE INVERSION//TRIAXIAL SUPERDEFORMATION//PHOTON INDUCED PROC
7 13073 ZAKLAD FIZYKI MATEMATYCZNEJ//OCTUPOLE DEFORMATION//PARITY DOUBLETS
8 27961 RESONANT COHERENT EXCITATION//ALIGNED CRYSTAL TARGET//E1 TRANSITIONS AND E2 TRANSITIONS
9 11509 FINE STRUCTURE CONSTANT//VARIATION OF FUNDAMENTAL CONSTANTS//FUNDAMENTAL COUPLINGS
10 14126 ALPHA PARTICLE SPECTROMETRY//ALPHA SPECTROMETRY//SOLID ANGLE

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