Class information for: |
Basic class information |
Hierarchy of classes |
The table includes all classes above and classes immediately below the current class. |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS | journal | 721135 | 3% | 73% | 1545 |
| 2 | NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIAT | journal | 458107 | 11% | 13% | 5477 |
| 3 | FREE ELECTRON LASER | authKW | 401450 | 2% | 71% | 877 |
| 4 | GYROTRON | authKW | 330162 | 1% | 84% | 611 |
| 5 | PHYSICS, NUCLEAR | WoSSC | 212646 | 20% | 4% | 9572 |
| 6 | STORAGE RING | authKW | 169925 | 1% | 68% | 390 |
| 7 | NUCLEAR SCIENCE & TECHNOLOGY | WoSSC | 157801 | 17% | 3% | 8314 |
| 8 | PHYSICS, PARTICLES & FIELDS | WoSSC | 143646 | 18% | 3% | 8965 |
| 9 | PHYSICAL REVIEW A | journal | 137495 | 8% | 6% | 3868 |
| 10 | INSTRUMENTS & INSTRUMENTATION | WoSSC | 130658 | 17% | 3% | 8216 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Physics, Nuclear | 212646 | 20% | 4% | 9572 |
| 2 | Nuclear Science & Technology | 157801 | 17% | 3% | 8314 |
| 3 | Physics, Particles & Fields | 143646 | 18% | 3% | 8965 |
| 4 | Instruments & Instrumentation | 130658 | 17% | 3% | 8216 |
| 5 | Optics | 122554 | 22% | 2% | 10615 |
| 6 | Physics, Atomic, Molecular & Chemical | 96363 | 18% | 2% | 8934 |
| 7 | Spectroscopy | 92651 | 12% | 3% | 6029 |
| 8 | Physics, Fluids & Plasmas | 53187 | 9% | 2% | 4168 |
| 9 | Physics, Multidisciplinary | 51471 | 16% | 1% | 7875 |
| 10 | Physics, Applied | 36090 | 20% | 1% | 9667 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | JR MACDONALD | 104510 | 1% | 56% | 291 |
| 2 | HIGH ENERGY ELECT | 57723 | 0% | 74% | 121 |
| 3 | HIGH POWER MICROWAVE SOURCES TECHNOL | 55586 | 0% | 86% | 101 |
| 4 | ELECT ENGN OPTOELECT TECHNOL | 43460 | 0% | 49% | 138 |
| 5 | SCI TECHNOL HIGH POWER MICROWAVE | 40555 | 0% | 68% | 93 |
| 6 | JOINT ATTOSECOND SCI | 37685 | 0% | 83% | 71 |
| 7 | PHYS BIOL ULTRAFAST SCI TECHNOL | 36863 | 0% | 64% | 89 |
| 8 | MICROWAVE TUBES | 35388 | 0% | 81% | 68 |
| 9 | SCI TECHNOL VACUUM ELECT | 35177 | 0% | 79% | 69 |
| 10 | SERV PHOTONS ATOMES MOL | 33322 | 0% | 41% | 127 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS | 721135 | 3% | 73% | 1545 |
| 2 | NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 458107 | 11% | 13% | 5477 |
| 3 | PHYSICAL REVIEW A | 137495 | 8% | 6% | 3868 |
| 4 | IEEE TRANSACTIONS ON PLASMA SCIENCE | 114333 | 3% | 14% | 1343 |
| 5 | PHYSICAL REVIEW ACCELERATORS AND BEAMS | 100073 | 0% | 69% | 225 |
| 6 | JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 75935 | 3% | 9% | 1407 |
| 7 | INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES | 66148 | 1% | 17% | 605 |
| 8 | PHYSICS OF PLASMAS | 47310 | 3% | 6% | 1223 |
| 9 | CHINESE PHYSICS C | 43207 | 1% | 16% | 414 |
| 10 | RADIOTEKHNIKA I ELEKTRONIKA | 37546 | 1% | 12% | 510 |
Author Key Words |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass | LCSH search | Wikipedia search |
|---|---|---|---|---|---|---|---|
| 1 | FREE ELECTRON LASER | 401450 | 2% | 71% | 877 | Search FREE+ELECTRON+LASER | Search FREE+ELECTRON+LASER |
| 2 | GYROTRON | 330162 | 1% | 84% | 611 | Search GYROTRON | Search GYROTRON |
| 3 | STORAGE RING | 169925 | 1% | 68% | 390 | Search STORAGE+RING | Search STORAGE+RING |
| 4 | HIGH ORDER HARMONIC GENERATION | 124694 | 0% | 91% | 213 | Search HIGH+ORDER+HARMONIC+GENERATION | Search HIGH+ORDER+HARMONIC+GENERATION |
| 5 | UNDULATOR | 116779 | 0% | 76% | 240 | Search UNDULATOR | Search UNDULATOR |
| 6 | HIGH POWER MICROWAVE | 96882 | 0% | 75% | 201 | Search HIGH+POWER+MICROWAVE | Search HIGH+POWER+MICROWAVE |
| 7 | BEAM DYNAMICS | 74237 | 0% | 66% | 176 | Search BEAM+DYNAMICS | Search BEAM+DYNAMICS |
| 8 | FEL | 73802 | 0% | 70% | 165 | Search FEL | Search FEL |
| 9 | TRAVELING WAVE TUBE | 72254 | 0% | 82% | 137 | Search TRAVELING+WAVE+TUBE | Search TRAVELING+WAVE+TUBE |
| 10 | TRAVELING WAVE TUBE TWT | 69522 | 0% | 91% | 119 | Search TRAVELING+WAVE+TUBE+TWT | Search TRAVELING+WAVE+TUBE+TWT |
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 3 |