English
Related papers

Related papers: AKK Update: Improvements from New Theoretical Inpu…

200 papers

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

A summary of measurements of the fragmentation of charm quarks into a specific hadron is given. Measurements performed in photoproduction and deep inelastic scattering in $e^{\pm}p$, $pp$ and $e^+e^-$ collisions are compared, using…

High Energy Physics - Experiment · Physics 2016-07-22 Mykhailo Lisovyi , Andrii Verbytskyi , Oleksandr Zenaiev

We present the first global analysis of fragmentation functions (FFs) for light charged hadrons ($\pi^{\pm}$, $K^{\pm}$) at full next-to-next-to-leading order in Quantum Chromodynamics (QCD), incorporating world data from both…

High Energy Physics - Phenomenology · Physics 2025-07-28 Jun Gao , XiaoMin Shen , Hongxi Xing , Yuxiang Zhao , Bin Zhou

Recent measurements of charm-baryon production at midrapidity by the ALICE collaboration show baryon-to-meson yield ratios significantly higher than those measured in $\rm e^+e^-$ collisions, suggesting that the charm fragmentations are not…

Nuclear Experiment · Physics 2022-02-16 Jianhui Zhu

In a coalescence plus independent fragmentation approach we calculate the $p_T$ spectra of the main hadrons: $\pi, K, p, \bar p, \Lambda, \phi$ in a wide range of transverse momentum from low $p_T$ up to about 10 GeV. The approach in its…

Nuclear Theory · Physics 2017-10-10 Vincenzo Minissale , Francesco Scardina , Vincenzo Greco

We present new sets of fragmentation functions for D^{*+-} mesons, both at leading and next-to-leading order. They are determined by fitting LEP1 data on inclusive D^{*+-} production in e^+e^- annihilation. In one of the sets, we take the…

High Energy Physics - Phenomenology · Physics 2008-02-03 J. Binnewies , B. A. Kniehl , G. Kramer

Using fragmentation functions for charged pions, charged kaons, and (anti)protons recently extracted from experimental data of e^+e^- annihilation at the Z-boson resonance and at centre-of-mass energy root(s) = 29 GeV, we perform a global…

High Energy Physics - Phenomenology · Physics 2014-11-17 B. A. Kniehl , G. Kramer , B. Poetter

Hadron production has been calculated in a pQCD improved parton model for pp, dA and heavy ion collisions. We applied KKP and AKK fragmentation functions. Our jet fragmentation study shows, that hadron ratios at high p_T depend on quark…

High Energy Physics - Phenomenology · Physics 2007-07-02 G. G. Barnafoldi , P. Levai , B. A. Cole , G. Fai , G. Papp

The conventional description of heavy-flavour hadron production in pp collisions is based on a factorisation approach, assuming universal fragmentation functions among collision systems. Recent results on heavy-flavour baryon measurements…

High Energy Physics - Experiment · Physics 2021-09-21 Mattia Faggin

We present new sets of fragmentation functions for charged pions and kaons, both at leading and next-to-leading order. They are fitted to TPC data taken at energy $\sqrt s=29$~GeV and describe excellently a wealth of other $e^+e^-$ data on…

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

This talk presents recent experimental findings at BESIII experiment, including three distinct studies. Firstly, it reports the measurements of the Born cross-sections of $e^+e^-\to\Sigma^+\bar\Sigma^-$, $\Xi^-\bar\Xi^+$,…

High Energy Physics - Experiment · Physics 2024-11-12 Xiongfei Wang

Recent $p_{\rm T}$-integrated cross section measurements of the ground-state charm mesons and baryons, D$^{\rm 0}$, D$^+$, D$_{\rm s}^{+}$, $\Lambda_{\rm c}^{+}$, and $\Xi_{\rm c}^0$, are used to evaluate the charm fragmentation fractions…

Nuclear Experiment · Physics 2022-02-07 ALICE Collaboration

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 revisit the extraction of parton-to-eta meson fragmentation functions at next-to-leading order accuracy in QCD in the light of the recent hadroproduction measurements in proton-proton collisions obtained by the PHENIX, LHCb, and ALICE…

High Energy Physics - Phenomenology · Physics 2025-07-08 Christine A. Aidala , Devon A. Loomis , Ramiro Tomas Martinez , Rodolfo Sassot , Marco Stratmann

We estimate the non-perturbative power-suppressed corrections to heavy flavour fragmentation and correlation functions in e^+e^- annihilation, using a model based on the analysis of one-loop Feynman graphs containing a massive gluon. This…

High Energy Physics - Phenomenology · Physics 2009-10-30 P. Nason , B. R. Webber

We calculate the spin density matrix of the hadron $h$ created via quark fragmentation in the process $e^-e^+ \to q\bar q \to h + X$. In the case of $h=\Lambda$ the experimental data could possibly elucidate the problem of $s$-quark…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Anselm , M. Anselmino , F. Murgia , M. G. Ryskin

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

We here concentrate on available $\pi^\pm$ and $K^\pm$ ALICE preliminary $R_{AA}$ data in central 2.76 TeV Pb+Pb collisions at LHC. These data show an interesting fine resolution hierarchy, i.e. the measured $K^\pm$ data have consistently…

Nuclear Theory · Physics 2015-06-16 Magdalena Djordjevic , Marko Djordjevic

We provide updated predictions for the hadronic decays $\bar{B}_s^0\to D_s^{(*)+} \pi^-$ and $\bar{B}^0\to D^{(*)+} K^-$. They are based on $\mathcal{O}(\alpha_s^2)$ results for the QCD factorization amplitudes at leading power and on…

High Energy Physics - Phenomenology · Physics 2020-12-02 Marzia Bordone , Nico Gubernari , Tobias Huber , Martin Jung , Danny van Dyk

We present new sets of fragmentation functions for protons and inclusive charged hadrons obtained in combined NLO QCD analyses of single-inclusive hadron production in electron-positron annihilation, proton-proton collisions, and…

High Energy Physics - Phenomenology · Physics 2008-11-26 Daniel de Florian , Rodolfo Sassot , Marco Stratmann