Class information for:
Level 1: PROTON RADIUS//RYDBERG CONSTANT//MUONIC HYDROGEN

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
9450 1155 29.8 52%


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
10 4 OPTICS//PHYSICS, PARTICLES & FIELDS//PHYSICS, MULTIDISCIPLINARY 1131262
251 3       JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS//PHYSICAL REVIEW A//PHYSICS, ATOMIC, MOLECULAR & CHEMICAL 46185
1451 2             ANTIHYDROGEN//AVOGADRO CONSTANT//KILOGRAM 7819
9450 1                   PROTON RADIUS//RYDBERG CONSTANT//MUONIC HYDROGEN 1155

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 PROTON RADIUS authKW 142747 1% 60% 9
2 RYDBERG CONSTANT authKW 118959 1% 75% 6
3 MUONIC HYDROGEN authKW 106611 1% 37% 11
4 POSITRONIUM authKW 79897 3% 9% 35
5 CLASSICAL ELECTRON RADIUS authKW 79308 0% 100% 3
6 EINSTEINS ENERGY MOMENTUM RELATIONSHIP authKW 79308 0% 100% 3
7 ORTHOPOSITRONIUM DECAY authKW 79308 0% 100% 3
8 PROTON RADIUS PUZZLE authKW 79308 0% 100% 3
9 PROTON SIZE PUZZLE authKW 79308 0% 100% 3
10 REST MASS ENERGY authKW 79308 0% 100% 3

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, Multidisciplinary 6322 34% 0% 398
2 Physics, Particles & Fields 6002 24% 0% 279
3 Physics, Nuclear 5648 21% 0% 246
4 Physics, Atomic, Molecular & Chemical 5414 28% 0% 318
5 Optics 5252 29% 0% 331
6 Astronomy & Astrophysics 733 12% 0% 135
7 Instruments & Instrumentation 135 4% 0% 49
8 Physics, Mathematical 93 3% 0% 37
9 Engineering, General 7 1% 0% 13
10 Spectroscopy 5 1% 0% 15

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 SCI COUNCIL CYBERNET 61464 1% 23% 10
2 CYBERNET SCI COUNCIL 52872 0% 100% 2
3 KURCHATOV OGRA 52872 0% 100% 2
4 ADV MED RUMENTAT 35247 0% 67% 2
5 SCI COUNCIL INTERDISCIPLINARY PROBLEM CYBERNET 35247 0% 67% 2
6 DI MENDELEEV METROL 33986 0% 43% 3
7 URA 18 33986 0% 43% 3
8 PRIMAIRE TEMPS FREQUENCES 27981 1% 18% 6
9 CNRSECOLE NORMALE SUPERPSL UNIV FRANCE 26436 0% 100% 1
10 DORODNITZYN COMP 26436 0% 100% 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 PHYSICAL REVIEW A 21838 20% 0% 234
2 PHYSICS OF ATOMIC NUCLEI 7599 4% 1% 41
3 CANADIAN JOURNAL OF PHYSICS 6867 3% 1% 40
4 PHYSICAL REVIEW LETTERS 4179 11% 0% 124
5 PHYSICS ESSAYS 3505 1% 1% 11
6 PHYSICS LETTERS B 2409 6% 0% 67
7 ZHURNAL EKSPERIMENTALNOI I TEORETICHESKOI FIZIKI 2380 2% 0% 24
8 ANNALS OF PHYSICS 1811 2% 0% 18
9 MEASUREMENT TECHNIQUES USSR 1795 1% 1% 7
10 SOVIET JOURNAL OF NUCLEAR PHYSICS-USSR 1329 1% 0% 16

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 PROTON RADIUS 142747 1% 60% 9 Search PROTON+RADIUS Search PROTON+RADIUS
2 RYDBERG CONSTANT 118959 1% 75% 6 Search RYDBERG+CONSTANT Search RYDBERG+CONSTANT
3 MUONIC HYDROGEN 106611 1% 37% 11 Search MUONIC+HYDROGEN Search MUONIC+HYDROGEN
4 POSITRONIUM 79897 3% 9% 35 Search POSITRONIUM Search POSITRONIUM
5 CLASSICAL ELECTRON RADIUS 79308 0% 100% 3 Search CLASSICAL+ELECTRON+RADIUS Search CLASSICAL+ELECTRON+RADIUS
6 EINSTEINS ENERGY MOMENTUM RELATIONSHIP 79308 0% 100% 3 Search EINSTEINS+ENERGY+MOMENTUM+RELATIONSHIP Search EINSTEINS+ENERGY+MOMENTUM+RELATIONSHIP
7 ORTHOPOSITRONIUM DECAY 79308 0% 100% 3 Search ORTHOPOSITRONIUM+DECAY Search ORTHOPOSITRONIUM+DECAY
8 PROTON RADIUS PUZZLE 79308 0% 100% 3 Search PROTON+RADIUS+PUZZLE Search PROTON+RADIUS+PUZZLE
9 PROTON SIZE PUZZLE 79308 0% 100% 3 Search PROTON+SIZE+PUZZLE Search PROTON+SIZE+PUZZLE
10 REST MASS ENERGY 79308 0% 100% 3 Search REST+MASS+ENERGY Search REST+MASS+ENERGY

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 (2007) THEORETICAL APPROACHES TO THE ENERGY LEVELS OF LOOSELY BOUND SYSTEMS.THEORY OF LIGHT HYDROGENIC BOUND STATES. VOL. 222. ISSUE . P. 1 -+ 164 82% 0
2 EIDES, MI , GROTCH, H , SHELYUTO, VA , (2001) THEORY OF LIGHT HYDROGENLIKE ATOMS.PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS. VOL. 342. ISSUE 2-3. P. 63 -261 129 82% 280
3 KARSHENBOIM, SG , (2005) PRECISION PHYSICS OF SIMPLE ATOMS: QED TESTS, NUCLEAR STRUCTURE AND FUNDAMENTAL CONSTANTS.PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS. VOL. 422. ISSUE 1-2. P. 1 -63 119 64% 158
4 POHL, R , (2016) LASER SPECTROSCOPY OF MUONIC HYDROGEN AND THE PUZZLING PROTON.JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN. VOL. 85. ISSUE 9. P. - 107 66% 0
5 KRAUTH, JJ , DIEPOLD, M , FRANKE, B , ANTOGNINI, A , KOTTMANN, F , POHL, R , (2016) THEORY OF THE N=2 LEVELS IN MUONIC DEUTERIUM.ANNALS OF PHYSICS. VOL. 366. ISSUE . P. 168 -196 55 93% 5
6 ANTOGNINI, A , KOTTMANN, F , BIRABEN, F , INDELICATO, P , NEZ, F , POHL, R , (2013) THEORY OF THE 2S-2P LAMB SHIFT AND 2S HYPERFINE SPLITTING IN MUONIC HYDROGEN.ANNALS OF PHYSICS. VOL. 331. ISSUE . P. 127 -145 70 79% 40
7 ANTOGNINI, A , NEZ, F , SCHUHMANN, K , AMARO, FD , BIRABEN, F , CARDOSO, JMR , COVITA, DS , DAX, A , DHAWAN, S , DIEPOLD, M , ET AL (2013) PROTON STRUCTURE FROM THE MEASUREMENT OF 2S-2P TRANSITION FREQUENCIES OF MUONIC HYDROGEN.SCIENCE. VOL. 339. ISSUE 6118. P. 417-420 38 90% 213
8 CARLSON, CE , (2015) THE PROTON RADIUS PUZZLE.PROGRESS IN PARTICLE AND NUCLEAR PHYSICS. VOL. 82. ISSUE . P. 59 -77 53 74% 37
9 POHL, R , GILMAN, R , MILLER, GA , PACHUCKI, K , (2013) MUONIC HYDROGEN AND THE PROTON RADIUS PUZZLE.ANNUAL REVIEW OF NUCLEAR AND PARTICLE SCIENCE, VOL 63. VOL. 63. ISSUE . P. 175 -204 68 56% 87
10 FAUSTOV, RN , MARTYNENKO, AP , MARTYNENKO, GA , SOROKIN, VV , (2014) HYPERFINE STRUCTURE OF S STATES IN MUONIC DEUTERIUM.PHYSICAL REVIEW A. VOL. 90. ISSUE 1. P. - 55 95% 2

Classes with closest relation at Level 1


Rank Class id link
1 5200 HIGHLY CHARGED IONS//EBIT//COLD TR PED IONS PROJECT
2 19218 3450//ABT ATOMARE PROZESSE//ANTICROSSING SPECTROSCOPY
3 35234 CHANNELED ELECTRONS//ALIGNED CRYSTAL//CHERNOGLAVKA BRANCH
4 8839 AVOGADRO CONSTANT//KILOGRAM//WATT BALANCE
5 16566 THEORET TEILCHENPHYS//GLUINONIUM//ALPHAS DETERMINATION
6 5280 ANTIHYDROGEN//ANTIPROTONIC HELIUM//NONNEUTRAL PLASMA
7 6089 ATOMOS MOL ESPECIAIS//MULTI COMPONENT MOLECULAR ORBITAL METHOD//GEOMETRICAL ISOTOPE EFFECT
8 4789 TWO PHOTON EXCHANGE//ELECTROMAGNETIC FORM FACTORS//BATES LINEAR ACCELERATOR
9 12232 MIRROR WORLD//DARK FORCES//U BOSON
10 7310 EE COLLISIONS//KLOE//PION FORM FACTOR

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