Class information for:
Level 1: X RAY LASER//SOFT X RAY LASER//SPECT ATOM ION

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
1903 2434 19.5 59%


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
166 3       PHYSICAL REVIEW SPECIAL TOPICS-ACCELERATORS AND BEAMS//PHYSICS OF PLASMAS//LASER AND PARTICLE BEAMS 60163
347 2             LASER AND PARTICLE BEAMS//LASER ENERGET//PHYSICS OF PLASMAS 17666
1903 1                   X RAY LASER//SOFT X RAY LASER//SPECT ATOM ION 2434

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 X RAY LASER authKW 935931 5% 58% 129
2 SOFT X RAY LASER authKW 619939 2% 92% 54
3 SPECT ATOM ION address 301135 2% 51% 47
4 CAPILLARY DISCHARGE authKW 272542 2% 59% 37
5 LSAI address 207347 1% 72% 23
6 XRAY LASERS address 169329 1% 75% 18
7 NSF ERC EXTREME ULTRAVIOLET SCI TECHNOL address 106220 1% 35% 24
8 LIXAM address 96321 1% 30% 26
9 INSTITUTE OF PHYSICS CONFERENCE SERIES journal 95154 11% 3% 272
10 TRANSIENT COLLISIONAL EXCITATION authKW 87805 0% 100% 7

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 Optics 25577 43% 0% 1040
2 Physics, Multidisciplinary 9769 30% 0% 725
3 Physics, Fluids & Plasmas 4173 11% 0% 257
4 Physics, Applied 3789 27% 0% 660
5 Physics, Atomic, Molecular & Chemical 1968 12% 0% 299
6 Spectroscopy 645 5% 0% 124
7 Instruments & Instrumentation 255 4% 0% 99
8 Physics, Mathematical 195 3% 0% 78
9 Engineering, Electrical & Electronic 64 6% 0% 142
10 Physics, Nuclear 14 2% 0% 38

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 SPECT ATOM ION 301135 2% 51% 47
2 LSAI 207347 1% 72% 23
3 XRAY LASERS 169329 1% 75% 18
4 NSF ERC EXTREME ULTRAVIOLET SCI TECHNOL 106220 1% 35% 24
5 LIXAM 96321 1% 30% 26
6 ENGN EXTREME ULTRAVIOLET SCI TECHNOL 81936 1% 47% 14
7 GAS LASERS 69459 0% 46% 12
8 UMR 8624 65989 1% 26% 20
9 LASERIX 64508 0% 86% 6
10 ERC EXTREME ULTRAVIOLET SCI TECHNOL 61747 0% 62% 8

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 INSTITUTE OF PHYSICS CONFERENCE SERIES 95154 11% 3% 272
2 LASER AND PARTICLE BEAMS 28800 3% 3% 72
3 JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER 13725 4% 1% 87
4 JOURNAL DE PHYSIQUE IV 11334 4% 1% 97
5 JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS 10912 4% 1% 98
6 KVANTOVAYA ELEKTRONIKA 8003 3% 1% 65
7 PHYSICAL REVIEW A 7488 8% 0% 202
8 HIGH ENERGY DENSITY PHYSICS 5744 1% 3% 16
9 COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE IV PHYSIQUE ASTROPHYSIQUE 5296 0% 4% 10
10 OPTICS COMMUNICATIONS 4400 4% 0% 97

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 X RAY LASER 935931 5% 58% 129 Search X+RAY+LASER Search X+RAY+LASER
2 SOFT X RAY LASER 619939 2% 92% 54 Search SOFT+X+RAY+LASER Search SOFT+X+RAY+LASER
3 CAPILLARY DISCHARGE 272542 2% 59% 37 Search CAPILLARY+DISCHARGE Search CAPILLARY+DISCHARGE
4 TRANSIENT COLLISIONAL EXCITATION 87805 0% 100% 7 Search TRANSIENT+COLLISIONAL+EXCITATION Search TRANSIENT+COLLISIONAL+EXCITATION
5 COLLISIONAL EXCITATION 78500 1% 48% 13 Search COLLISIONAL+EXCITATION Search COLLISIONAL+EXCITATION
6 GRAZING INCIDENCE PUMPING 62718 0% 100% 5 Search GRAZING+INCIDENCE+PUMPING Search GRAZING+INCIDENCE+PUMPING
7 NI LIKE IONS 62718 0% 100% 5 Search NI+LIKE+IONS Search NI+LIKE+IONS
8 PULSE TRAIN LASER 62718 0% 100% 5 Search PULSE+TRAIN+LASER Search PULSE+TRAIN+LASER
9 NE LIKE GE 50174 0% 100% 4 Search NE+LIKE+GE Search NE+LIKE+GE
10 NICKEL LIKE IONS 50174 0% 100% 4 Search NICKEL+LIKE+IONS Search NICKEL+LIKE+IONS

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 ROCCA, JJ , (1999) TABLE-TOP SOFT X-RAY LASERS.REVIEW OF SCIENTIFIC INSTRUMENTS. VOL. 70. ISSUE 10. P. 3799 -3827 141 82% 157
2 DAIDO, H , (2002) REVIEW OF SOFT X-RAY LASER RESEARCHES AND DEVELOPMENTS.REPORTS ON PROGRESS IN PHYSICS. VOL. 65. ISSUE 10. P. 1513 -1576 105 88% 123
3 JAEGLE, P , SUCKEWER, S , (2009) X-RAY LASER: PAST, PRESENT, AND FUTURE.LASER PHYSICS LETTERS. VOL. 6. ISSUE 6. P. 411 -436 79 81% 60
4 TALLENTS, GJ , (2003) THE PHYSICS OF SOFT X-RAY LASERS PUMPED BY ELECTRON COLLISIONS IN LASER PLASMAS.JOURNAL OF PHYSICS D-APPLIED PHYSICS. VOL. 36. ISSUE 15. P. R259 -R276 71 81% 57
5 GASPARYAN, PD , STARIKOV, FA , STAROSTIN, AN , (1998) ANGULAR DIVERGENCE AND SPATIAL COHERENCE OF X-RAY LASER RADIATION.USPEKHI FIZICHESKIKH NAUK. VOL. 168. ISSUE 8. P. 843 -876 73 91% 4
6 LI, YL , PRETZLER, G , LU, PX , FILL, EE , NILSEN, J , (1997) STUDY OF NE- AND NI-LIKE X-RAY LASERS USING THE PREPULSE TECHNIQUE.PHYSICS OF PLASMAS. VOL. 4. ISSUE 2. P. 479-489 60 95% 18
7 BARNWAL, S , PRASAD, YBSR , NIGAM, S , ANEESH, K , SHARMA, ML , KUSHWAHA, RP , TRIPATHI, PK , NAIK, PA , CHAKERA, JA , NAVATHE, CP , ET AL (2014) CHARACTERIZATION OF THE 46.9-NM SOFT X-RAY LASER BEAM FROM A CAPILLARY DISCHARGE.APPLIED PHYSICS B-LASERS AND OPTICS. VOL. 117. ISSUE 1. P. 131 -139 37 88% 6
8 KLISNICK, A , (2003) X-RAY LASERS: A NEW TOOL FOR RESEARCH.VIDE-SCIENCE TECHNIQUE ET APPLICATIONS. VOL. 57. ISSUE 307. P. 111-+ 50 89% 0
9 MASOUDNIA, L , BLEINER, D , (2014) OPTIMUM ELECTRON TEMPERATURE AND DENSITY FOR SHORT-WAVELENGTH PLASMA-LASING FROM NICKEL-LIKE IONS.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS. VOL. 323. ISSUE . P. 59 -70 37 88% 0
10 KOLACEK, K , SCHMIDT, J , PRUKNER, V , FROLOV, O , STRAUS, J , (2008) WAYS TO DISCHARGE-BASED SOFT X-RAY LASERS WITH THE WAVELENGTH LAMBDA < 15 NM.LASER AND PARTICLE BEAMS. VOL. 26. ISSUE 2. P. 167 -178 44 83% 7

Classes with closest relation at Level 1


Rank Class id link
1 35591 OPEN FIELD LINES//ARC JET PLASMA//ATOMIC NITROGEN LINES
2 12923 GAS PUFF TARGET//EUV SOURCE//LASER PRODUCED PLASMA
3 8869 LASER AND PARTICLE BEAMS//DIPARTIMENTO FIS G OCCHIALINI//COPPER DOPED FOAM
4 10979 HIGH ENERGY DENSITY PHYSICS//RADIATIVE OPACITY//SCREENED HYDROGENIC MODEL
5 10270 MULTICHARGED IONS SPE A DATA//ABT RONTGENOPT//ULTRASHORT X RAY PULSES
6 30199 TRANSMISSION GRATING//FREESTANDING TRANSMISSION GRATING//HIGH TEMP HIGH DENS PLASMA PHYS
7 31532 ATOM NUCL LASER SPECT//ELECTRON BRIDGE//QED PERTURBATION THEORY
8 234 ATOMIC DATA//ATOMIC DATA AND NUCLEAR DATA TABLES//ATOMIC PROCESSES
9 2893 Z PINCH//PLASMA STUDIES//X PINCH
10 25487 PULSED ARC DISCHARGE METHOD//VACUUM SPARK//MICROPINCH

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