Polarized angular distributions in the decays of the singlet D
                     2 state of charmonium originating from 
                
                  
                
                $\bar{p}p$
               collisions

Mok, Alex W K; Chow, Man Fung

doi:10.1140/epjc/s10052-011-1792-1

Cited by 3 publications

(5 citation statements)

References 15 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Polarizations of bothp and p are necessary to get all this information. Alternatively, one can also consider the polarizations of the final decay products γ 1 , γ 2 , and e − [19,20].…”

Section: Discussionmentioning

confidence: 99%

“…The partially integrated angular distributions obtained from (19) will look a lot simpler and we will gain greater insight from them. We calculate six different cases of partially integrated angular distributions.…”

Section: Partially Integrated Angular Distributionsmentioning

confidence: 99%

“…In (19) the components of the polarization vectors are contained in the coefficients defined as follows:…”

Section: The Combined Angular Distribution Function Of the Photons An...mentioning

confidence: 99%

“…The explicit expressions for the non-zero coefficients, (19) are given in Appendix A. Since the combined angular distribution in ( 19) is expressed as a sum of products of the orthogonal Wigner D-functions, we can obtain the values for these coefficients from…”

Section: The Combined Angular Distribution Function Of the Photons An...mentioning

confidence: 99%

See 3 more Smart Citations

Angular distributions in the radiative decays of the $$^3\varvec{D}_3$$ 3 D 3 state of charmonium originating from polarized $$\varvec{\bar{p}p}$$ p ¯ p collisions

2015

Self Cite

View full text Add to dashboard Cite

Using the helicity formalism, we calculate the combined angular distribution function of the two gamma photons (γ 1 and γ 2 ) and the electron (e − ) in the triple cascade+ γ 2 + γ 1 , whenp and p are arbitrarily polarized. We also derive six different partially integrated angular distribution functions which give the angular distributions of one or two particles in the final state. Our results show that by measuring the two-particle angular distribution of γ 1 and γ 2 and that of γ 2 and e − , one can determine the relative magnitudes as well as the relative phases of all the helicity amplitudes in the two charmonium radiative transitions 3 D 3 → 3 P 2 + γ 1 and 3 P 2 → ψ + γ 2 .

show abstract

“…Polarizations of bothp and p are necessary to get all this information. Alternatively, one can also consider the polarizations of the final decay products γ 1 , γ 2 , and e − [19,20].…”

Section: Discussionmentioning

confidence: 99%

Section: Partially Integrated Angular Distributionsmentioning

confidence: 99%

“…In (19) the components of the polarization vectors are contained in the coefficients defined as follows:…”

Section: The Combined Angular Distribution Function Of the Photons An...mentioning

confidence: 99%

Section: The Combined Angular Distribution Function Of the Photons An...mentioning

confidence: 99%

See 2 more Smart Citations

Angular distributions in the radiative decays of the $$^3\varvec{D}_3$$ 3 D 3 state of charmonium originating from polarized $$\varvec{\bar{p}p}$$ p ¯ p collisions

2015

Self Cite

View full text Add to dashboard Cite

show abstract

“…The sines of the relative phases of these helicity amplitudes, however, cannot be determined uniquely. By including the measurement of the polarization of one of the decay particles, one may also obtain unambiguously the sines of the relative phases [10,11]. So in this paper we calculate the combined angular distributions of the final particles (γ 1 , γ 2 and e − ) with the determination of the polarization of one particle in the above cascade process when p and p are unpolarized.…”

Section: Introductionmentioning

confidence: 99%

Angular distributions of the polarized photons and electron in the decays of the $$^3D_3$$ 3 D 3 state of charmonium

2014

Self Cite

View full text Add to dashboard Cite

We calculate the combined angular-distribution functions of the polarized photons (γ 1 and γ 2 ) and electron (e − ) produced in the cascade processp p → 3 D 3 → 3 P 2 + γ 1 → (ψ + γ 2 ) + γ 1 → (e + + e − ) + γ 1 + γ 2 , when the collidingp and p are unpolarized. Our results are independent of any dynamical models and are expressed in terms of the spherical harmonics whose coefficients are functions of the angular-momentum helicity amplitudes of the individual processes. Once the joint angular distribution of (γ 1 , γ 2 ) and that of (γ 2 , e − ) with the polarization of either one of the two particles are measured, our results will enable one to determine the relative magnitudes as well as the relative phases of all the angular-momentum helicity amplitudes in the radiative decay processes 3 D 3 → 3 P 2 + γ 1 and 3 P 2 → ψ + γ 2 .

show abstract

Angular distribution functions in the decays of the 3 D 3 state of charmonium originating from unpolarized $\overline{p}p$ collisions

Mok

Wong

Sit

2012

J. High Energ. Phys.

View full text Add to dashboard Cite

Polarized angular distributions in the decays of the singlet D 2 state of charmonium originating from $\bar{p}p$ collisions

Cited by 3 publications

References 15 publications

Angular distributions in the radiative decays of the $$^3\varvec{D}_3$$ 3 D 3 state of charmonium originating from polarized $$\varvec{\bar{p}p}$$ p ¯ p collisions

Angular distributions in the radiative decays of the $$^3\varvec{D}_3$$ 3 D 3 state of charmonium originating from polarized $$\varvec{\bar{p}p}$$ p ¯ p collisions

Angular distributions of the polarized photons and electron in the decays of the $$^3D_3$$ 3 D 3 state of charmonium

Angular distribution functions in the decays of the 3 D 3 state of charmonium originating from unpolarized $\overline{p}p$ collisions

Contact Info

Product

Resources

About