Scalar and vector form factors of D→π(K)ℓν decays with Nf=2+1+1 twisted fermions

2017 ◽  
Vol 96 (5) ◽  
Author(s):  
V. Lubicz ◽  
L. Riggio ◽  
G. Salerno ◽  
S. Simula ◽  
C. Tarantino ◽  
...  
Keyword(s):  
Form Factors ◽  
Vector Form

scholarly journals Measurement of Strange Quark Contributions to the Vector Form Factors of the Proton atQ2=0.22  (GeV/c)2

2009 ◽  
Vol 102 (15) ◽  
Author(s):  
S. Baunack ◽  
K. Aulenbacher ◽  
D. Balaguer Ríos ◽  
L. Capozza ◽  
J. Diefenbach ◽  
...  
Keyword(s):  
Strange Quark ◽  
Form Factors ◽  
Vector Form

The axial vector form factors and electroproduction sum rules

1966 ◽  
Vol 44 (2) ◽  
pp. 427-439 ◽  
Author(s):  
G. Furlan ◽  
R. Jengo ◽  
E. Remiddi
Keyword(s):  
Sum Rules ◽  
Axial Vector ◽  
Form Factors ◽  
Vector Form

scholarly journals Axial Vector Form Factors from Lattice QCD that Satisfy the PCAC Relation

2020 ◽  
Vol 124 (7) ◽  
Author(s):  
Yong-Chull Jang ◽  
Rajan Gupta ◽  
Boram Yoon ◽  
Tanmoy Bhattacharya
Keyword(s):  
Lattice Qcd ◽  
Axial Vector ◽  
Form Factors ◽  
Vector Form

scholarly journals THE NUCLEON'S MIRROR IMAGE: REVEALING THE STRANGE AND UNEXPECTED

2003 ◽  
Vol 18 (02n06) ◽  
pp. 75-84 ◽  
Author(s):  
R. D. MCKEOWN
Keyword(s):  
Form Factor ◽  
Electron Scattering ◽  
Strange Quark ◽  
Form Factors ◽  
Mirror Image ◽  
Vector Form ◽  
Electromagnetic Structure ◽  
Extensive Program ◽  
Axial Form ◽  
Insight Into

An extensive program of parity-violating electron scattering experiments is providing new insight into the structure of the nucleon. Measurement of the vector form factors enables a definitive study of potential strange quark-antiquark contributions to the nucleon's electromagnetic structure, including the magnetic moment and charge distribution. Recent experimental results have already indicated that effects of strangeness are much smaller than theoretically expected. In addition, the neutral axial form factor appears to display substantial corrections as one might expect from an anapole effect.

Über den magnetischen Formfaktor des Nukleons

1959 ◽  
Vol 14 (8) ◽  
pp. 699-707
Author(s):  
H. Eisenlohr ◽  
H. Salecker
Keyword(s):  
Perturbation Theory ◽  
Form Factor ◽  
Magnetic Moment ◽  
Anomalous Magnetic Moment ◽  
Form Factors ◽  
Sufficient Accuracy ◽  
Mean Square ◽  
Vector Form ◽  
High Q ◽  
Moment Distribution

This article deals with the form factor of the anomalous magnetic moment distribution of proton and neutron. It is first shown with three examples that the magnetic root mean square radius cannot be taken from the existing experiments with sufficient accuracy. Satisfactory agreement with the experimental results can be obtained with arbitrary values of rm2. We calculate the magnetic moment form factors depending on the energy momentum transfer q2 in perturbation theory and the 2 π meson contribution to the isotopic vector form factor with dispersion relations also in relation to q2, with and without π meson form factor. We get better agreement of the shape of the form factor with the phenomenological form factor of HOFSTADTER at the expense of the static magnetic moment. But the contribution of the high q2 values is still too large i.e. the structure is somewhat too concentrated **

scholarly journals First lattice QCD study of the axial and vector form factors with breaking corrections

2007 ◽  
Vol 761 (1-2) ◽  
pp. 63-91 ◽  
Author(s):  
D. Guadagnoli ◽  
V. Lubicz ◽  
M. Papinutto ◽  
S. Simula
Keyword(s):  
Lattice Qcd ◽  
Form Factors ◽  
Vector Form
Sign in / Sign up

Export Citation Format

Share Document