THEME01-3-1028-99/2008

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01-3-1028-99/2008

Priority:

Status:

In-progress

Fields and Particles

Leader:

D.I. Kazakov
O.V. Teryaev

Scientific Programme:
Further development of the quantum field theory approach in the framework of the Standard Model of fundamental interactions and its extensions. Lattice simulations for obtaining nonperturbative results in gauge theories. Elaboration of multiloop calculations in QCD, Electroweak theory and Minimal Supersymmetric Standard Model. Theoretical predictions concerning the experimental observation of supersymmetry, the Higgs boson, investigation of the spin structure of the nucleon, T-odd spin effects, jet handedness, heavy flavor physics, vacuum structure in QCD, and hadron properties in dense and hot media. Elaboration of new phenomenological models to describe the hadron dynamics in the framework of general principles of quantum field theory incorporating basic experimental patterns. Theoretical support of current and future experiments at JINR, IHEP, CERN, GSI, DESY, and other physics centers.

Expected main results in 2006:

Calculation of phenomenological consequences of SUSY interpretation of Dark Matter annihilation signal.

Investigation of a possibility of creation of long-lived sleptons at LHC.

Renormalization group analysis of scalar and gauge theories in higher dimensions.

Investigation of the role of two photon exchanges in elastic electron-proton scattering and annihilation channel.

Proposal for the charge-asymmetry measuring experiments to extract additional nucleon form factors.
Investigation of the contributions of T-odd distribution and fragmentation functions to the single spin asymmetries in lepton-hadron and hadron-hadron processes will be continued.
The global fit will be performed and the asymmetries in the Drell-Yan process with transverse polarized (anti)protons will be predicted. Other azimuthal asymmetries in Drell-Yan processes with polarized and unpolarized nucleons in a broad energy interval will be investigated, including the contribution of pion light-cone distribution to the longitudinal single spin asymmetry in pion-nucleon scattering.

Investigation of hard exclusive processes in QCD will be continued, including the production of exotic hadrons. The detailed analysis of higher order corrections, scheme dependence, and analytic properties of the corresponding amplitudes is planned.

The results will be used in the data analyses and predictions for the HERMES, COMPASS, CLAS, CMS, and PAX experiments.
To complete the calculations of the pion and kaon polarizabilities to two-loops within QCD; to find photon distribution amplitude of leading and next-to-leading twist; to investigate large x and higher twist effects for the nucleon twist 2 structure function based on HERA data; to derive new sum rules for quark correlation functions following from the Gerasimov-Drell-Hearn and electric dipole moment sum rules.

To complete the calculation of two-particle decay widths of hadronic resonances (ground and excited states) within the models of nonperturbative QCD vacuum and investigate their dependence on temperature; within the same approach estimate energy losses in the quark-gluon plasma.

Investigation of nonleptonic decays of the B_c-meson.
Analysis of in-medium two-photon decay of mesons in heavy ion collisions.

Inclusion of the state equation with a phase transition of the first order into the hydrodynamical model of relativistic heavy ion collisions.

Formulation of the physical research program on phases of strongly interacting matter under extreme conditions (high temperatures and baryon charge densities) in relativistic heavy ion collisions at the JINR Nuclotron.

List of Activities
	Activity or Experiment	Leader	Principal researchers
1.	Standard model and its extension	D.I. Kazakov E.A. Kuraev
			A.B. Arbuzov S.M. Bilenky A.V. Gladyshev A.V. Kotikov G.A. Kozlov V.K. Mitrjushkin V.A. Naumov V.N. Pervushin M.N. Tentyukov S.I. Vinitsky M. Yurchishin
2.	QCD parton distributions for modern and future colliders	A.V. Efremov O.V. Teryaev D.V. Shirkov
			A.P. Bakulev S.V. Goloskokov P.S. Isaev G.P. Korchemskii S.V. Mikhailov A.V. Nesterenko A.V. Radyushkin O.V. Selyugin A.V. Sidorov
3.	Physics of heavy and exotic hadrons	A.E. Dorokhov M.A. Ivanov
			I.V. Anikin I.O. Cherednikov G. Ganbold S.B. Gerasimov G.V. Efimov S.M. Eliseev N.I. Kochelev V.I. Korobov V.A. Meshcheryakov D. Minal Yu.S. Surovtsev
4.	Mixed phase in heavy-ion collisions	A.N. Sissakian D. Blaschke A.S. Sorin
			S.V. Molodtsov A.E. Radzhabov V.V. Skokov V.D. Toneev M.K. Volkov V.L. Yudichev

Collaboration
Country or international organization	City	Institute or Laboratory
Armenia	Yerevan	YerPhI
		YSU
Azerbaijan	Baku	BSU
		IP ANAS
Belarus	Minsk	IP NASB
	Gomel	GSTU
		GSU
Bulgaria	Sofia	INRNE BAS
		SU
Canada	Montreal	McGill
		UdeM
	Toronto	U of T
CERN	Geneva
Czech Republic	Prague	CTU
		CU
		IP ASCR
	Rez	NPI ASCR
Finland	Helsinki	UH
France	Lyons	UCBL
	Montpellier	Univ.
	Saclay	SPhN CEA DAPNIA
Georgia	Tbilisi	RMI GAS
		TSU
Germany	Berlin	FUB
		HUB
	Aachen	RWTH
	Bielefeld	Univ.
	Bochum	RUB
	Bonn	UniBonn
	Dortmund	Univ.
	Erlangen	FAU
	Hamburg	DESY
	Heidelberg	Univ.
	Jena	FSU
	Kaiserslautern	TU
	Regensburg	Univ.
	Rostock	Univ.
	Mainz	JGU
	Munich	LMU
	Tubingen	Univ.
	Wuppertal	Univ.
	Zeuthen	DESY
Hungary	Budapest	KFKI RMKI
		ELTE
ICTP	Trieste
Italy	Bari	INFN
	Naples	INFN
	Padua	Univ.
	Pavia	INFN
	Pisa	INFN
	Trieste	SISSA/ISAS
	Turin	Univ.
Japan	Tokyo	UT
	Kyoto	Kyoto Univ.
	Nagoya	Meiji Univ.
		Nagoya Univ.
	Tsukuba	KEK
JINR	Dubna	DLNP
		LIT
		LPP
		VBLHE
Kazakhstan	Almaty	INP NNC RK
Mexico	Cuernavaca	UNAM
Mongolia	Ulaanbaatar	IPT MAS
New Zealand	Hamilton	Univ.
Norway	Dragvoll	Univ.
Poland	Warsaw	SINS
	Cracow	NINP
	Kielce	SA
	Lodz	UL
Republic of Korea	Seoul	SNU
Russia	Moscow	LPI RAS
		MSU
		SMI RAS
		SINP MSU
		SSC-ITEP
	Belgorod	BSU
	Gatchina	PNPI RAS
	Irkutsk	ISU
	Ivanovo	IvSU
	Kazan	KSU
	Perm	PSU
	Protvino	SRC-IHEP
	St. Petersburg	SPbSU
	Samara	SamSU
	Saratov	SSU
	Sarov	RFNC-VNIIEF
	Tomsk	TSU
	Troitsk	INR RAS
	Tver	TvSU
Serbia and Montenegro	Belgrade	Univ.
Slovak Republic	Bratislava	IP SAS
	Kosice	IEP SAS
Spain	Santiago de Compostela	USC
	Valencia	UV
Switzerland	Bern	Univ.
	Villigen	PSI
Sweden	Lund	LU
United Kingdom	London	QMUL
		Imperial College
	Canterbury	UKC
Ukraine	Kiev	BITP NASU
	Dnepropetrovsk	DNU
	Kharkov	KFTI NASU
	Lutsk	VSU
	Lvov	IAPMM NASU
	Sumy	SSU
USA	New York, NY	RU
	Argonne, IL	ANL
	Blacksburg, VA	Virginia Tech.
	Minneapolis, MN	UofM
	Norman, OK	UO
	Newport News, VA	JLab
	Philadelphia, PA	Penn
	University Park, PA	Penn State
Uzbekistan	Tashkent	NUU
	Samarkand	SSU
Vietnam	Hanoi	IP NCST

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