NDLI: Partonic transverse momenta in non-relativistic hyper-central quark potential models

Content Provider	Springer Nature Link
Author	Diakos, F. K. Kaplis, N. K. Maintas, X. N.
Copyright Year	2009
Abstract	We investigate the impact of three-body forces on the transverse-momentum distribution of partons inside the proton. This is achieved by considering the three-body problem in a class of hyper-central quark potential models. Solving the corresponding Schrödinger equation, we determine the quark wave function in the proton and with appropriate transformations and projections we find the transverse-momentum distribution of a single quark. In each case the parameters of the quark potentials are adjusted in order to sufficiently describe observable properties of the proton. Using a factorization ansatz, we incorporate the obtained transverse-momentum distribution in a perturbative QCD scheme for the calculation of the cross-section for prompt photon production in pp collisions. A large set of experimental data is fitted using as a single free parameter the mean partonic transverse momentum. The dependence of 〈k T〉 on the collision characteristics (initial energy and transverse momentum of the final photon) is much smoother when compared with similar results found in the literature using a Gaussian distribution for the partonic transverse momenta. Within the considered class of hyper-central quark potentials the one with the weaker dependence on the hyper-radius is preferred for the description of the data since it leads to the smoothest mean partonic transverse-momentum profile. We have repeated all the calculations using a two-body potential of the same form as the optimal (within the considered class) hyper-central potential in order to check if the presence of three-body forces is supported by the experimental data. Our analysis indicates that three-body forces influence significantly the form of the parton transverse-momentum distribution and consequently lead to an improved description of the considered data.
Starting Page	101
Ending Page	108
Page Count	8
File Format	PDF
ISSN	14346001
Journal	The European Physical Journal A - Hadrons and Nuclei
Volume Number	41
Issue Number	1
e-ISSN	1434601X
Language	English
Publisher	Springer-Verlag
Publisher Date	2009-05-20
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Nuclear Fusion Elementary Particles and Nuclei Nuclear Physics, Heavy Ions, Hadrons
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Partonic transverse momenta in non-relativistic hyper-central quark potential models

Charmed baryons in a relativistic quark model

Large momenta fluctuations of charm quarks in the Quark-Gluon Plasma⋆

Overview of Non-Relativistic QCD

Roper resonances in chiral quark models

Breathing mode energy and nuclear matter incompressibility coefficient within relativistic and non-relativistic models

Semileptonic decays of baryons in a relativistic quark model

Trigonometric quark confinement potential of QCD traits

Electromagnetic properties of strange baryons in a relativistic quark model

Partonic transverse momenta in non-relativistic hyper-central quark potential models

Similar Documents

Partonic transverse momenta in non-relativistic hyper-central quark potential models

Charmed baryons in a relativistic quark model

Large momenta fluctuations of charm quarks in the Quark-Gluon Plasma⋆

Overview of Non-Relativistic QCD

Roper resonances in chiral quark models

Breathing mode energy and nuclear matter incompressibility coefficient within relativistic and non-relativistic models

Semileptonic decays of baryons in a relativistic quark model

Trigonometric quark confinement potential of QCD traits

Electromagnetic properties of strange baryons in a relativistic quark model

Partonic transverse momenta in non-relativistic hyper-central quark potential models