International Workshop
"The Structure and Dynamics of Hadrons"
Hirschegg, Kleinwalsertal, Austria -
Information

Title:	Prof.
Family Name:	Bicudo
First Name:	Pedro
Gender:	male
E-Mail:	bicudoist.utl.pt
Affiliation for Badge:	IST, Lisboa
Institute:	CFTP, Dep. Fisica, Instituto Superior Tecnico
Address (Street):	Av. Rovisco Pais
Postal Code, City:	1049-001 Lisboa
Country:	Portugal
Phone:	00315,917075398
Fax:	00351,218419143
Arrival Date:	January 16
Departure Date:	January 21
Accommodation:	Waldemar-Petersen-Haus
Room Type:	Single room ( ~260-275 ¿ depending on room size )
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Author(s):	P. Bicudo, M. Cardoso, N. Cardoso
Institute(s):	CFTP, Depart. Fisica, Instituto Superior Técnico, Lisboa
Title of talk:	Tetraquark resonances, flip-flop and cherry in a broken glass model
Abstract:	We develop a formalism to study tetraquarks using the generalized flip-flop potential, which include the tetraquark potential component. Technically this is a difficult problem, needing the solution of the Schrödinger equation in a multidimensional space. Since the tetraquark may at any time escape to a pair of mesons, here we study a simplified two-variable toy model and explore the analogy with a cherry in a glass, but a broken one where the cherry may escape from. We also compute the decay width in this two-variable picture, solving the Schrödinger equation for the outgoing spherical wave.
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