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相关论文: Complete solutions of Altarelli-Parisi evolution e…

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We present complete solution of Altarelli-Parisi (AP) evolution equation in next-to-leading order (NLO) and obtain t-evolution of non-singlet structure function at low-x. Results are compared with HERA low-x and low-Q^2 data and also with…

高能物理 - 唯象学 · 物理学 2007-05-23 R. Rajkhowa , J. K. Sarma

We present particular and unique solutions of singlet and non-singlet Dokshitzer-Gribov-Lipatov- Altarelli-Parisi (DGLAP) evolution equations in next-to-next-to-leading order (NNLO) at low-x. We obtain t-evolutions of deuteron, proton,…

高能物理 - 唯象学 · 物理学 2010-02-18 Rasna Rajkhowa

In this paper the spin-dependent singlet and non-singlet structure functions have been obtained by solving Dokshitzer-Gribov-Lipatov-Altarelli-Parisi evolution equations in next-to-leading order in the small x limit. Here we have used…

高能物理 - 唯象学 · 物理学 2010-02-09 R. Rajkhowa , U. Jamil , J. K. Sarma

We explain particular, unique, approximate solutions of the Dokshitzer-Gribov-Lipatov-Altarelli-Parisi (DGLAP) evolution equations and also solutions of DGLAP evolution equations by using regge behaviour of structure functions and method of…

高能物理 - 唯象学 · 物理学 2010-05-07 R. Rajkhowa

In this paper the spin-dependent singlet and nonsinglet structure functions have been obtained by solving Dokshitzer-Gribov-Lipatov-Altarelli-Parisi evolution equations in leading order in the small x limit. Here we have used Taylor series…

高能物理 - 唯象学 · 物理学 2010-02-04 R. Rajkhowa

We present particular and unique solutions of singlet and non-singlet Dokshitzer-Gribov-Lipatov-Altarelli-Parisi (DGLAP) evolution equations in leading order (LO) and next-to-leading order (NLO) and gluon, sea and valence quark…

高能物理 - 唯象学 · 物理学 2007-05-23 R Rajkhowa , J K Sarma

Deuteron and proton structure functions are derived from Dokshitzer-Gribov-Lipatov-Altarelli-Parisi (DGLAP) evolution equations of singlet and non-singlet structure functions in next-to-leading order (NLO) at low-x assuming the Regge…

高能物理 - 唯象学 · 物理学 2007-10-23 U. Jamil , J. K. Sarma

In this paper the singlet and non-singlet hadron structure functions have been obtained by solving Dokshitzer-Gribov-Lipatov-Alterelli-Parisi (DGLAP) evolution equations in leading order (LO) at the small-x limit. Here we have used a Taylor…

高能物理 - 唯象学 · 物理学 2007-05-23 R Baishya , R Rajkhowa , J K Sarma

In this paper, we solved the coupled Dokshitzer-Gribov-Lipatov-Altarelli-Parisi (DGLAP) evolution equations for singlet and gluon structure functions in leading order (LO) at low-x assuming the Regge behaviour of quark and gluon structure…

高能物理 - 唯象学 · 物理学 2008-10-22 U. Jamil , J. K. Sarma

A semi-numerical solution to Dokshitzer- Gribov-Lipatov-Altarelli-Parisi (DGLAP) evolution equations at leading order (LO), next-to-leading order (NLO) and next-to-next-to-leading order (NNLO) in the small-x limit is presented. Here we have…

高能物理 - 唯象学 · 物理学 2012-10-10 Mayuri Devee , R. Baishya , J. K. Sarma

In this paper the singlet and non-singlet structure functions have been obtained by solving Dokshitzer, Gribove, Lipatov, Alterelli, Parisi (DGLAP) evolution equations in leading order (LO) and next to leading order (NLO) at the small x…

高能物理 - 唯象学 · 物理学 2008-11-26 R. Baishya , J. K. Sarma

We present particular and unique solutions of Dokshitzer- Gribov- Lipatov- Altarelli-Parisi (DGLAP) evolution equation for gluon structure function in leading order (LO) and obtain t and x-evolutions of gluon structure function at small-x.…

高能物理 - 唯象学 · 物理学 2012-09-20 R. Rajkhowa , J. K. Sarma

We present particular and unique solutions of Dokshitzer-Gribov-Lipatov- Altarelli-Parisi (DGLAP) evolution equations for light sea and valence quark structure functions in leading order (LO). We obtain t evolutions of sea and valence quark…

高能物理 - 唯象学 · 物理学 2012-09-21 R. Rajkhowa , J. K. Sarma

The non-singlet structure functions have been obtained by solving Dokshitzer-Gribov-Lipatov-Altarelli-Parisi (DGLAP) evolution equations in leading order (LO) and next-to-leading order (NLO) at the small-x limit. Here a Taylor series…

高能物理 - 唯象学 · 物理学 2007-07-04 R. Baishya , J. K. Sarma

We comment on the uniqueness of t-evolution$(t=log(Q^2/\Lambda^2))$ of non-singlet structure functions at low x obtained fromDGLAP equations.

高能物理 - 唯象学 · 物理学 2007-05-23 D K Choudhury , Atri Deshamukhya

The coefficients of the nonlinear terms in a modified Altarelli-Parisi evolution equation with parton recombination are determined in the leading logarithmic ($Q^2$) approximation. The results are valid in the whole $x$ region and contain…

高能物理 - 唯象学 · 物理学 2013-10-03 Wei Zhu , Jianhong Ruan

We suggest a new procedure for extrapolating the parton distributions from HERA to much higher energies. The procedure suggested consists of two steps. First, we solve the non-linear evolution equation. Second, we introduce a correcting…

高能物理 - 唯象学 · 物理学 2015-06-25 M. Lublinsky

We investigate numerical solution of $Q^2$ evolution equations for structure functions in the nucleon and in nuclei. (Dokshitzer-Gribov-Lipatov-)Altarelli-Parisi and Mueller-Qiu evolution equations are solved in a brute-force method.…

高能物理 - 唯象学 · 物理学 2014-11-17 M. Miyama , S. Kumano

We present a set of formulas to extract two second-order independent differential equations for the gluon and singlet distribution functions. Our results extend from the LO up to NNLO DGLAP evolution equations with respect to the…

高能物理 - 唯象学 · 物理学 2014-02-04 G. R. Boroun , B. Rezaei

We discuss a new method to solve in a semianalytical way the Dokshitzer-Gribov-Lipatov-Altarelli-Parisi evolution equations at NLO order in the x-space. The method allows to construct an evolution operator expressed in form of a rapidly…

高能物理 - 唯象学 · 物理学 2007-05-23 Pietro Santorelli , Egidio Scrimieri
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