TY  - CONF
A1  - Peters, Antje
A1  - Bicudo, Pedro
A1  - Cichy, Krzysztof
A1  - Wagenbach, Björn
A1  - Wagner, Marc
T1  - Exploring possibly existing qqb¯b¯ tetraquark states with qq = ud,ss, cc
N2  - We compute potentials of two static antiquarks in the presence of two quarks qq of finite mass using lattice QCD. In a second step we solve the Schrödinger equation, to determine, whether the resulting potentials are sufficiently attractive to host a bound state, which would indicate the existence of a stable qqb¯b¯ tetraquark. We find a bound state for qq=(ud−du)/2–√ with corresponding quantum numbers I(JP)=0(1+) and evidence against the existence of bound states with isospin I=1 or qq∈{cc,ss}.
Y1  - 2015
UR  - http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/71610
UR  - https://nbn-resolving.org/urn:nbn:de:hebis:30:3-716105
ER  -