[PDF] Top 20 The Valence Quark Distribution of the Pion
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The Valence Quark Distribution of the Pion
... part of the forward γ ⋆ π → γ ⋆ π scattering amplitude is evaluated and related to the structure ...that the introduction of non- perturbative effects, linked to the size ... Voir le document complet
3
Confinement and cut-off: A model for the Pion Quark Distribution Function
... The pion structure function is investigated in a simple pseudo-scalar coupling model of pion and constituent quark ...fields. The imaginary part of the forward ... Voir le document complet
3
Pion-photon transition distribution amplitudes in the Nambu-Jona-Lasinio model
... studies of pion-photon TDAs have already been done [ 16 , 17 ...son of the results is still possible. The aim of the author of the first paper [ 16 ] is to ... Voir le document complet
12
Consistent model for \pi N transition distribution amplitudes and backward pion electroproduction
... baryon distribution amplitudes ...elements of a three quark operator ...to the momentum distribution of the baryonic number inside a ...nucleon. The same operator ... Voir le document complet
39
A simple model for generalised parton distributions of the pion
... to the off-diagonal case [2,3,4]. For the latter, the off-forward structure functions are related to the off-forward γ ∗ -hadron amplitude and appear as convolutions of generalised ... Voir le document complet
5
Quark substructure approach to 4He charge distribution
... term. The parameters are determined by fitting the binding energy of A 53 ...nuclei. The Schro¨dinger equation ~7! has been solved by using the Green’s function Monte Carlo ~GFMC! ... Voir le document complet
5
Measurement of the Electric Charge of the Top Quark in $\boldsymbol{t\bar{t}}$ Events
... T distribution in data with the distributions from b¯b and c¯ c events simulated using pythia and find that the fraction of c¯ c events in the TD sample is x c = ...(stat). The ... Voir le document complet
8
Valence transversities: the collinear extraction
... target, the cross section is re- lated to the simple product of the (collinear) transversity distribution function and the chiral-odd DiFF, denoted as H 1 ^ q [ 5 ...]. ... Voir le document complet
5
Distribution amplitude for the photon-pion transition
... where the pion decay constant is f π = ...is the pion DA. Here we have modified the definition given in [1, 2] in order to introduce the pion pole contribution in ... Voir le document complet
7
Modeling the pion Generalized Parton Distribution
... compute the pion Generalized Parton Distribution (GPD) in a valence dressed quarks ...model the Mellin moments of the GPD using Ans¨ atze for Green functions inspired by ... Voir le document complet
9
The distribution of the sum-of-digits function
... generality we may assume that 11/a(z)1 ~ 1/a + E/4. Hence, R1(z,u) can be analytically continued to the same region and we obtain for Jul 1/a+e where C(z) = -a(z)P(z,1/a(z))/G1(z,1/a(z)). Finally, by Cauchy’s ... Voir le document complet
17
The Origin of the σ‐Hole in Halogen Atoms: a Valence Bond Perspective
... because the high electronegativity of this group involves a depletion of electron density around the halogen, thus increasing the effect of its nuclear ...particular, the ... Voir le document complet
8
Effects of emotional valence and arousal on the voice perception network
... from the Montreal Affective Voices (Belin et ...using the vowel/a/. We used neutral expressions as well as expressions of fear, anger and pleasure from two identities (one female) to avoid ... Voir le document complet
9
Strangeness magnetic form factor of the proton in the extended chiral quark model
... to the product of probability amplitudes of three- and five-quark components A3q A s ¯s ...Generally, the latter is more significant than the former, given that the proton ... Voir le document complet
10
Dependence of the $t\bar{t}$ production cross section on the transverse momentum of the top quark
... function of the p T of the top quark (using for each event the two measurements obtained from the leptonic and hadronic top quark decays), dσ/dp T , is shown in ... Voir le document complet
8
On the limit distribution of the well-distribution measure of random binary sequences
... proves the existence of a limit distribution of the normal- ized well-distribution measure of random binary sequences, by this means solving the first instance ... Voir le document complet
16
Exclusive Neutral Pion Electroproduction in the Deeply Virtual Regime
... blocks. The reconstructed missing mass of one block is then influ- enced by contributions from all other ...Because of this, several iterations are necessary. Then, the missing- mass ... Voir le document complet
23
Measurement of the top quark mass in the lepton+jets channel using the ideogram method
... Determination of the wrong-permutation signal shape The convolution of Gaussian detector resolution and a Breit-Wigner, used in the signal term of the likelihood, ... Voir le document complet
21
Combination of D0 measurements of the top quark mass
... thank the staffs at Fermilab and collaborating in- stitutions, and acknowledge support from the Depart- ment of Energy and National Science Foundation (United States of America); Alternative ... Voir le document complet
12
Combination of the top-quark mass measurements from the Tevatron collider
... (SM) of particle physics describes the elementary particles and their ...interactions. The top quark (t) has a special place in the hierarchy of particles because it is far more ... Voir le document complet
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