Class information for:
Level 1: NEUTRAL BEAM INJECTION//NEUTRAL BEAM INJECTOR//NEUTRAL BEAM

Basic class information

ID Publications Average number
of references
Avg. shr. active
ref. in WoS
2764 2079 16.2 49%



Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)



ID, lev.
above
Publications Label for level above
2685 2857 NEUTRAL BEAM INJECTION//INERTIAL ELECTROSTATIC CONFINEMENT//NEUTRAL BEAM INJECTOR

Terms with highest relevance score



Rank Term Type of term Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 NEUTRAL BEAM INJECTION Author keyword 40 52% 3% 54
2 NEUTRAL BEAM INJECTOR Author keyword 30 52% 2% 41
3 NEUTRAL BEAM Author keyword 27 41% 2% 50
4 NEGATIVE ION SOURCE Author keyword 21 41% 2% 41
5 CORE SNUBBER Author keyword 21 90% 0% 9
6 NBI Author keyword 14 26% 2% 47
7 CONSORZIO RFX Address 13 13% 5% 96
8 PLASMA HEATING Address 12 86% 0% 6
9 ION SOURCES Author keyword 9 16% 3% 52
10 MULTICUSP ION SOURCE Author keyword 9 64% 0% 9

Web of Science journal categories

Author Key Words



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
LCSH search Wikipedia search
1 NEUTRAL BEAM INJECTION 40 52% 3% 54 Search NEUTRAL+BEAM+INJECTION Search NEUTRAL+BEAM+INJECTION
2 NEUTRAL BEAM INJECTOR 30 52% 2% 41 Search NEUTRAL+BEAM+INJECTOR Search NEUTRAL+BEAM+INJECTOR
3 NEUTRAL BEAM 27 41% 2% 50 Search NEUTRAL+BEAM Search NEUTRAL+BEAM
4 NEGATIVE ION SOURCE 21 41% 2% 41 Search NEGATIVE+ION+SOURCE Search NEGATIVE+ION+SOURCE
5 CORE SNUBBER 21 90% 0% 9 Search CORE+SNUBBER Search CORE+SNUBBER
6 NBI 14 26% 2% 47 Search NBI Search NBI
7 ION SOURCES 9 16% 3% 52 Search ION+SOURCES Search ION+SOURCES
8 MULTICUSP ION SOURCE 9 64% 0% 9 Search MULTICUSP+ION+SOURCE Search MULTICUSP+ION+SOURCE
9 NEUTRAL BEAM INJECTOR NBI 9 64% 0% 9 Search NEUTRAL+BEAM+INJECTOR+NBI Search NEUTRAL+BEAM+INJECTOR+NBI
10 SINGAP 8 70% 0% 7 Search SINGAP Search SINGAP

Key Words Plus



Rank Web of Science journal category Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 MULTICUSP SOURCE 44 85% 1% 23
2 RF SOURCE 23 86% 1% 12
3 NEGATIVE ION SOURCES 18 67% 1% 16
4 H PRODUCTION 17 62% 1% 18
5 NBI SYSTEM 17 72% 1% 13
6 NEUTRAL BEAM INJECTOR 17 75% 1% 12
7 MAGNETIC FILTER 15 77% 0% 10
8 NEGATIVE ION SOURCE 14 53% 1% 19
9 NBI 12 47% 1% 18
10 LOW PRESSURE HYDROGEN 11 78% 0% 7

Journals

Reviews



Title Publ. year Cit. Active references % act. ref.
to same field
Negative hydrogen ion production mechanisms 2015 1 173 86%
Photodetachment diagnostic techniques for measuring negative ion densities and temperatures in plasmas 2000 96 45 62%
Volume production negative hydrogen ion sources 2005 33 68 93%
Negative hydrogen ion sources for accelerators 2005 23 31 90%
SURFACE NEGATIVE-ION PRODUCTION IN ION SOURCES 1993 31 24 75%
NEGATIVE HYDROGEN-ION BEAMS 1992 21 13 100%
Particle in cell simulation of low temperature laboratory plasmas 2007 20 115 29%
Development of a high-current, long-pulse ion source 2008 1 7 100%
Excitation kinetics of electronic states of hydrogen molecules in nonequilibrium discharges: Electronic ground state 2015 0 77 36%
Ion beams and their applications in high-resolution probe formation 2005 8 84 20%

Address terms



Rank Address term Relevance score
(tfidf)
Class's shr.
of term's tot.
occurrences
Shr. of publ.
in class containing
term
Num. of
publ. in
class
1 CONSORZIO RFX 13 13% 4.6% 96
2 PLASMA HEATING 12 86% 0.3% 6
3 NUCL FUS ENGN TECHNOL DEV 9 83% 0.2% 5
4 PTP 6 80% 0.2% 4
5 UMR 7648 4 19% 1.0% 21
6 ERNEST ORLANDO BERKELEY 4 67% 0.2% 4
7 UMR CNRS 7648 4 75% 0.1% 3
8 INNOVAT PLASMA TECHNOL GRP 3 57% 0.2% 4
9 ISIS PULSED SPALLAT NEUTRON SOURCE 3 100% 0.1% 3
10 ITER JOINT WORK SITE 3 50% 0.2% 4

Related classes at same level (level 1)



Rank Relatedness score Related classes
1 0.0000104749 PLASMA CONFINEMENT SPATIALLY PERIODIC FIELD//MAGNETIC CUSP//MECH SYST ENGN COURSE
2 0.0000090170 BEAM EMISSION SPECTROSCOPY//PLASMA DENSITY DIAGNOSTIC//MOTIONAL STARK EFFECT
3 0.0000082060 NEGATIVE ION IMPLANTATION//DELTA LAYERED NANOPARTICLES//AB INITIO MOLECULAR ORBITAL METHODS
4 0.0000061919 MAIN MAGNET//NONLINEAR TRAJECTORY//LIE MAP
5 0.0000059654 RFQ ACCELERATOR//RFQ//SFRFQ
6 0.0000057342 ECR PLASMA//UNIFORM PLASMA//MAGNETIC MULTIPOLE FIELD
7 0.0000050477 ELECTRON CYCLOTRON RESONANCE ION SOURCE//ECR ION SOURCE//ECRIS
8 0.0000050249 MOLECULAR HYDRINO//NOVEL HYDRIDE ION//NEW ENERGY SOURCE
9 0.0000050142 BOHM CRITERION//PLASMA SOLID INTERACTION//EMISSIVE PROBE
10 0.0000047762 PULSE STEP MODULATION PSM//HIGH VOLTAGE POWER SUPPLY HVPS//POLOIDAL FIELD CONVERTER