videshi messon

videshi messon heey messon aahet jyanchya quantum sankhya kwark modelmadhye shakya naheet; pramanit nasalelya kwark model mesansathi kahee prastav asey asoo shakatatah
serve videshi messon heey messon mhanoon vargikrut kele jaatat kaaran teey hadron asatat aanee shoonya beron sankhya dharan karatat. yapaiki, gondgol heey swad ekeri asane aavashyak aahe-mhanje, tyat shoonya isospin, vichitrata, aakarshan, talmal aanee sheersh asane aavashyak aahe. serve kann avasthanpramanech, videshi messon heey quantum sankhyandvare nirdisht kele jaatat jeey poincare samamiti, q chey pratinidhitva karatat.eae.vastumanadvare (kansat vedhalele), aanee koneey gatee kuthe aahe, hii aantarik samanata aahe aanee charge sanyugman samanata aahe; eka anekada messionche isospin dekhil nirdisht karate. samanyatah, pratyek kwark model messon suu (3) flavour noow madhye yeteh eka aktet aanee sambandhit flavour singlet. gondgol haah eka atirikt ("atirikt") kann mhanoon niochya baher disato. 
ashee sadharanpane mojani asoonahi, gondgol, tetraquarc kinwa sankarit mhanoon konatyahi sthitiche niyojan aajahi tatpurte aahe, mhanoon adhik samanya sandnya 'exotic messon' laa pradhanya dile jaate. jaree anek avasthanpaiki eka hii yaa naun-kwark model mesanpaiki eka aahe yavar sahmati asali taree, mishranache praman aanee achook assignment anishchitatene bharalele asate. pratyek avasthela quantum sankhya niyukt karane aanee itar prayoganmadhye tyanchi ulat tapasani karane heey dekhil lakshaniy prayogik shram aahet. parinami, kwark modelchya baherchi serve kaame tatpurati asatat. yaa lekhachya urvarit bhagat bhagat akheris jee paristhiti hotee, tyachi ruparesha dilee aahe.
jaaliche andaj.
kiman jevha aabhasi kwarkakade durlaksh kele jaate, tevha glueballsathi jaali kyu. see. dii. chey andaj aata hii nishchit kele jaatat. done sarvat qamee rajyanmadhye
0-+ aanee 0-− sarkhya videshi gondgols serve varr asane apekshit aahe. glueball heey aavashyakpane isoscalor asatat (majboot isospinsathi aanee kshullakpane, kamkuvat isospinsathi), 
jaminivaril sthitee "sankarit messon" 0 − +, 1 − +, 1 − −, aanee 2 − + serve thode khalee aahet. videshi quantum sankhya 1 − + saha sankarit aahe. aataparyantchi sarvottam jaali ganana shaman kelelya andajat kelee jaate, jee aabhasi kwark loopkade durlaksh karate. parinami, hii ganane messon avasthanshi misalane chukatat.
0 + + sthitee.
(500), (980), (1370), (1500) aanee (1710) yaa paach samasthanik anunad yaa aakadevaritun disun yetat. yapaiki (500) samanyatah kieral models olakhale jaatat. (1710) chey kshay aanee utpadan heey dekhil eka messon asalyacha bhakkam purava detat.
glueball umedvar.
(1370) aanee (1500) heey donhi kwark model messon asoo shakat naheet, kaaran eka heey atirikt sankhya aahe. done photon pratikriyanmadhye kinwa pratikriyanmadhye uchch vastuman sthitiche utpadan atyant dadapale jaate. yaa kshayamule, yapaiki eka gondgol asoo shakato, yacha kahee purava dekhil midato.
tetracarc umedvar.
kahee lekhakanni (980) hii = 1 avastha (980) aanee (800) saha tetraquarc messon mhanoon olakhali aahe. done dirghkal tikanare (kann spectroscopy shabdprayogat "arund") vidhane aaheth cleo aanee babar yethe aadhalanari scalar (0) sthitee (2317) aanee vector (1) messon (2460) dekhil tatpuratya tetraquarc sthitee mhanoon olakhali gelee aahet. tathapi, hyansathi itar spashtikaran shakya aahe.
2 rajye.
done samasthanik avastha nishchitpane olakhalya jaatatah (1270) aanee '(1525). itar konatyahi rajyala serve prayoganni satatyane olakhale gele nahee. tyamule yaa rajyambaddal adhik sangane katheen aahe.
1 aanee itar rajye.
isovector exotics 1 (1400) aanee 1 (1600) heey done prayogshildrushtya changlya prakare sthapit asalyache disate. alikadil jode-vahini vishleshananusar, suruvatila vegalya manalya manalya yaa avastha ekach khambashi susangat asalyache disun aale aahe. dusare videshi rajya napsant aahe. yaa rajyanna sankarit mhanoon niyukt karane anukool aahe. jaali kyu. see. dii. ganana darshavate qee 1 quantum sankhyansah sarvat halake gluonic rachana rachana operators majboot overlap aahe.
(1800) 0, (1900) 1 aanee (1870) 2 hii hii changlya prakare olakhali jaanari sthitee aahe, jee kahee lekhakanni tatpurati sankarit mhanoon olakhali aahet. jarr hii olakh yogya asel tarr jaali gananeshi haah eka ullekhaneey karar aahe, joou vastumanachya yaa shreneet anek sankarit ghatak thevato.

