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We present new sets of fragmentation functions for neutral kaons, both at leading and next-to-leading order. They are fitted to data on inclusive K^0 production in e^+e^- annihilation taken by MARK II at PEP (\sqrt s = 29 GeV) and by ALEPH…

High Energy Physics - Phenomenology · Physics 2009-10-28 J. Binnewies , B. A. Kniehl , G. Kramer

Recent results on charm fragmentation and hadron spectroscopy in $e^+/e^- p$ collisions at HERA with the ZEUS and H1 detectors are presented. The measured fragmentation ratios and fragmentation fractions are in agreement with those measured…

High Energy Physics - Experiment · Physics 2007-05-23 N. Coppola

Fragmentation functions for eta mesons are extracted at next-to-leading order accuracy of QCD in a global analysis of data taken in electron-positron annihilation and proton-proton scattering experiments. The obtained parametrization is in…

High Energy Physics - Phenomenology · Physics 2011-02-15 C. A. Aidala , F. Ellinghaus , R. Sassot , J. P. Seele , M. Stratmann

A combined analysis of both $e^+\,e^-$ (LEP, SLD) and $p\,p$ (RHIC-PHENIX and LHC-ALICE) hadroproduction processes are done for the first time for the vector meson nonet at the next-to-leading order (NLO) using a model with broken SU(3)…

High Energy Physics - Phenomenology · Physics 2020-07-07 H. Saveetha , D. Indumathi

In this research, we conduct a global QCD analysis of fragmentation functions (FFs) for neutral pions ($\pi^0$), neutral kaons ($K_S^0$), and eta mesons ($\eta$), utilizing world data of single inclusive hadron production in $e^+e^-$…

High Energy Physics - Phenomenology · Physics 2024-04-18 Mengyang Li , Daniele Paolo Anderle , Hongxi Xing , Yuxiang Zhao

A determination of the hadronic fragmentation functions of the Z-boson is presented from a study of the inclusive hadron production wit the DELPHI detector at LEP. These fragmentation functions were compared with the ones at lower energies,…

High Energy Physics - Phenomenology · Physics 2016-09-01 W. de Boer , T. Kussmaul , IEKP Karlsruhe

We present new sets of proton fragmentation functions describing the production of protons from the gluon and each of the quarks, obtained by a global fit to all relevant data sets extracted from the single-inclusive electron-positron…

High Energy Physics - Phenomenology · Physics 2016-10-19 S. M. Moosavi Nejad , M. Soleymaninia , A. Maktoubian

We present a detailed phenomenological analysis of single-inclusive hadron production at the CERN-LHC in both proton-proton and proton-lead collisions. First data from the LHC experiments on charged hadron spectra are compared to…

High Energy Physics - Phenomenology · Physics 2014-11-21 M. Stratmann , R. Sassot , P. Zurita

We report the first double differential cross sections of two charged pions and kaons ($e^+e^- \rightarrow hhX$) in electron-positron annihilation as a function of the fractional energies of the two hadrons for any charge and hadron…

High Energy Physics - Experiment · Physics 2015-10-27 Belle Collaboration , R. Seidl , A. Abdesselam , I. Adachi , H. Aihara , S. Al Said , D. M. Asner , T. Aushev , R. Ayad , V. Babu , I. Badhrees , A. M. Bakich , E. Barberio , V. Bhardwaj , B. Bhuyan , J. Biswal , A. Bozek , M. Bračko , T. E. Browder , D. Červenkov , V. Chekelian , A. Chen , B. G. Cheon , K. Chilikin , K. Cho , V. Chobanova , Y. Choi , D. Cinabro , J. Dalseno , N. Dash , J. Dingfelder , Z. Doležal , Z. Drásal , D. Dutta , S. Eidelman , H. Farhat , J. E. Fast , T. Ferber , B. G. Fulsom , V. Gaur , N. Gabyshev , A. Garmash , R. Gillard , F. Giordano , Y. M. Goh , P. Goldenzweig , B. Golob , J. Haba , T. Hara , K. Hayasaka , H. Hayashii , X. H. He , C. -L. Hsu , T. Iijima , K. Inami , A. Ishikawa , R. Itoh , Y. Iwasaki , W. W. Jacobs , I. Jaegle , D. Joffe , K. K. Joo , K. H. Kang , E. Kato , P. Katrenko , T. Kawasaki , D. Y. Kim , H. J. Kim , J. B. Kim , J. H. Kim , K. T. Kim , M. J. Kim , S. H. Kim , Y. J. Kim , P. Kodyš , S. Korpar , P. Križan , P. Krokovny , A. Kuzmin , Y. -J. Kwon , J. S. Lange , D. H. Lee , L. Li , L. Li Gioi , J. Libby , Y. Liu , D. Liventsev , P. Lukin , M. Masuda , D. Matvienko , K. Miyabayashi , H. Miyake , H. Miyata , R. Mizuk , S. Mohanty , A. Moll , H. K. Moon , T. Mori , R. Mussa , E. Nakano , M. Nakao , T. Nanut , Z. Natkaniec , M. Nayak , M. Niiyama , N. K. Nisar , S. Nishida , S. Ogawa , S. Okuno , C. Oswald , P. Pakhlov , G. Pakhlova , B. Pal , C. W. Park , H. Park , T. K. Pedlar , R. Pestotnik , M. Petrič , L. E. Piilonen , E. Ribežl , M. Ritter , A. Rostomyan , S. Ryu , H. Sahoo , K. Sakai , Y. Sakai , S. Sandilya , L. Santelj , T. Sanuki , V. Savinov , O. Schneider , G. Schnell , C. Schwanda , Y. Seino , K. Senyo , O. Seon , M. E. Sevior , V. Shebalin , T. -A. Shibata , J. -G. Shiu , F. Simon , Y. -S. Sohn , A. Sokolov , E. Solovieva , M. Starič , M. Sumihama , K. Sumisawa , T. Sumiyoshi , U. Tamponi , Y. Teramoto , V. Trusov , M. Uchida , T. Uglov , Y. Unno , S. Uno , Y. Usov , C. Van Hulse , P. Vanhoefer , G. Varner , V. Vorobyev , A. Vossen , M. N. Wagner , C. H. Wang , M. -Z. Wang , P. Wang , M. Watanabe , Y. Watanabe , K. M. Williams , E. Won , J. Yamaoka , S. Yashchenko , J. Yelton , Y. Yusa , Z. P. Zhang , V. Zhulanov

We present a detailed study of photon production in hadronic events in electron-positron annihilation at LEP energies. We show that estimates of the inclusive photon spectrum using the quark-to-photon fragmentation function determined using…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Gehrmann-De Ridder , E. W. N. Glover

Fragmentation functions (FFs) are essential non-perturbative QCD inputs for predicting hadron production cross sections in high energy scatterings. In this study, we present a joint determination of FFs for light charged hadrons through a…

High Energy Physics - Phenomenology · Physics 2024-12-20 Jun Gao , ChongYang Liu , XiaoMin Shen , Hongxi Xing , Yuxiang Zhao

Fragmentation functions are determined for pions, kaons, and nucleons by a global analysis of charged-hadron production data in electron-positron annihilation. The optimum functions are obtained in both leading order (LO) and…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Hirai , S. Kumano , T. -H. Nagai , K. Sudoh

The inclusive cross sections for di-hadrons of charged pions and kaons ($e^+e^- \rightarrow hhX$) in electron-positron annihilation are reported. They are obtained as a function of the total fractional energy and invariant mass for any…

High Energy Physics - Experiment · Physics 2017-09-06 Belle Collaboration , R. Seidl , I. Adachi , H. Aihara , S. Al Said , D. M. Asner , T. Aushev , I. Badhrees , A. M. Bakich , V. Bansal , P. Behera , V. Bhardwaj , B. Bhuyan , J. Biswal , A. Bobrov , A. Bozek , M. Bračko , T. E. Browder , D. Červenkov , V. Chekelian , A. Chen , B. G. Cheon , K. Chilikin , K. Cho , S. -K. Choi , Y. Choi , D. Cinabro , N. Dash , S. Di Carlo , Z. Doležal , Z. Drásal , S. Eidelman , H. Farhat , J. E. Fast , T. Ferber , B. G. Fulsom , V. Gaur , N. Gabyshev , A. Garmash , R. Gillard , P. Goldenzweig , E. Guido , J. Haba , K. Hayasaka , H. Hayashii , W. -S. Hou , T. Iijima , K. Inami , A. Ishikawa , R. Itoh , Y. Iwasaki , W. W. Jacobs , I. Jaegle , H. B. Jeon , S. Jia , Y. Jin , D. Joffe , K. K. Joo , T. Julius , K. H. Kang , G. Karyan , D. Y. Kim , J. B. Kim , K. T. Kim , M. J. Kim , S. H. Kim , Y. J. Kim , K. Kinoshita , P. Kodyš , S. Korpar , D. Kotchetkov , P. Križan , P. Krokovny , R. Kulasiri , T. Kumita , A. Kuzmin , Y. -J. Kwon , J. S. Lange , L. Li , L. Li Gioi , J. Libby , D. Liventsev , M. Lubej , T. Luo , M. Masuda , T. Matsuda , D. Matvienko , M. Merola , K. Miyabayashi , H. Miyata , R. Mizuk , H. K. Moon , T. Mori , R. Mussa , E. Nakano , M. Nakao , T. Nanut , K. J. Nath , Z. Natkaniec , M. Niiyama , N. K. Nisar , S. Nishida , S. Ogawa , H. Ono , P. Pakhlov , G. Pakhlova , B. Pal , S. Pardi , H. Park , S. Paul , T. K. Pedlar , R. Pestotnik , L. E. Piilonen , M. Ritter , A. Rostomyan , Y. Sakai , L. Santelj , V. Savinov , O. Schneider , G. Schnell , C. Schwanda , Y. Seino , K. Senyo , M. E. Sevior , V. Shebalin , C. P. Shen , T. -A. Shibata , J. -G. Shiu , B. Shwartz , F. Simon , A. Sokolov , E. Solovieva , M. Starič , J. F. Strube , K. Sumisawa , T. Sumiyoshi , M. Takizawa , U. Tamponi , K. Tanida , F. Tenchini , M. Uchida , T. Uglov , Y. Unno , S. Uno , C. Van Hulse , G. Varner , V. Vorobyev , A. Vossen , C. H. Wang , P. Wang , M. Watanabe , Y. Watanabe , S. Watanuki , E. Widmann , E. Won , Y. Yamashita , H. Ye , Z. P. Zhang , V. Zhilich , V. Zhukova , V. Zhulanov , A. Zupanc

Fragmentation functions are determined for the pion, kaon, and proton by analyzing charged-hadron production data in electron-positron annihilation. It is important that uncertainties of the determined fragmentation functions are estimated…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Hirai , S. Kumano , T. -H. Nagai , K. Sudoh

We perform a simultaneous global analysis of hadron fragmentation functions (FFs) to various charged hadrons at next-to-leading order in QCD. The world data set includes results from electron-positron single-inclusive annihilation,…

High Energy Physics - Phenomenology · Physics 2024-07-02 Jun Gao , ChongYang Liu , XiaoMin Shen , Hongxi Xing , Yuxiang Zhao

We update our extraction of parton-to-charged hadron fragmentation functions at next-to-leading order accuracy in QCD, focusing on the wealth of data collected at the Large Hadron Collider over the past decade. We obtain an accurate…

High Energy Physics - Phenomenology · Physics 2023-11-30 Ignacio Borsa , Daniel de Florian , Rodolfo Sassot , Marco Stratmann

We provide nonperturbative fragmentation functions for B mesons, both at leading and next-to-leading order in the MS-bar factorization scheme with five massless quark flavors. They are determined by fitting the fractional energy…

High Energy Physics - Phenomenology · Physics 2011-01-27 J. Binnewies , B. A. Kniehl , G. Kramer

Fitting $Z^0$-pole data from ALEPH and SLD, and TPC data at a lower c.m.s.\ energy, we fix the boundary condition for NLO parton$\to$hadron (hadron$=\pi^\pm, K^\pm, \sum_h h^\pm$) fragmentation functions (FFs) at the low resolution scale of…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. Kretzer

We revisit the description of pion production in proton-proton collisions in the light of the very precise data taken at the Large Hadron Collider (LHC) over the past decade. First attempts to include LHC results in next-to-leading order…

High Energy Physics - Phenomenology · Physics 2022-02-23 Ignacio Borsa , Daniel de Florian , Rodolfo Sassot , Marco Stratmann

We perform a number of improvements to the previous AKK extraction of fragmentation functions for $\pi^\pm$, $K^\pm$, $p/\bar{p}$, $K_S^0$ and $\Lambda/\bar{\Lambda}$ particles at next-to-leading order. Inclusive hadron production…

High Energy Physics - Phenomenology · Physics 2010-03-25 S. Albino , B. A. Kniehl , G. Kramer