https://doi.org/10.1140/epjc/s10052-010-1251-4
Review
Quest for precision in hadronic cross sections at low energy: Monte Carlo tools vs. experimental data
1
Institut für Theoretische Physik E, RWTH Aachen Universität, 52056, Aachen, Germany
2
Institue of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
3
Institut für Physik Humboldt-Universität zu Berlin, 12489, Berlin, Germany
4
Dipartimento di Fisica dell’Università di Bologna, 40126, Bologna, Italy
5
INFN, Sezione di Bologna, 40126, Bologna, Italy
6
The Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Reymonta 4, 30-059, Cracow, Poland
7
Marian Smoluchowski Institute of Physics, Jagiellonian University, Reymonta 4, 30-059, Cracow, Poland
8
Institute of Nuclear Physics Polish Academy of Sciences, 31342, Cracow, Poland
9
Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, 141980, Dubna, Russia
10
Department of Physics, University of Alberta, Edmonton, AB, T6G 2J1, Canada
11
Laboratori Nazionali di Frascati dell’INFN, 00044, Frascati, Italy
12
Physikalisches Institut, Albert-Ludwigs-Universität Freiburg, 79104, Freiburg, Germany
13
Physics Department, CERN, 1211, Genève, Switzerland
14
Theory Department, CERN, 1211, Genève, Switzerland
15
Laboratoire de Physique Subatomique et de Cosmologie, Université Joseph Fourier/CNRS-IN2P3/INPG, 38026, Grenoble, France
16
University of Hawaii, Honolulu, HI, 96822, USA
17
Institut für Experimentelle Kernphysik, Universität Karlsruhe, 76021, Karlsruhe, Germany
18
Institut für Theoretische Teilchenphysik, Universität Karlsruhe, 76128, Karlsruhe, Germany
19
Institute of Physics, University of Silesia, 40007, Katowice, Poland
20
National Science Center “Kharkov Institute of Physics and Technology”, 61108, Kharkov, Ukraine
21
Department of Mathematical Sciences, University of Liverpool, Liverpool, L69 3BX, UK
22
Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, 55128, Mainz, Germany
23
Institut für Physik (THEP), Johannes Gutenberg-Universität, 55099, Mainz, Germany
24
Institute for Theoretical and Experimental Physics, Moscow, Russia
25
Budker Institute of Nuclear Physics, 630090, Novosibirsk, Russia
26
Novosibirsk State University, 630090, Novosibirsk, Russia
27
Laboratoire de Physique Théorique (UMR 8627), Université de Paris-Sud XI, Bâtiment 210, 91405, Orsay Cedex, France
28
INFN, Sezione di Padova, 35131, Padova, Italy
29
LLR-Ecole Polytechnique, 91128, Palaiseau, France
30
Dipartimento di Fisica, Università di Parma, 43100, Parma, Italy
31
INFN, Gruppo Collegato di Parma, 43100, Parma, Italy
32
Dipartimento di Fisica Nucleare e Teorica, Università di Pavia, 27100, Pavia, Italy
33
INFN, Sezione di Pavia, 27100, Pavia, Italy
34
Dipartimento di Fisica dell’Università “Roma Tre” and INFN Sezione di Roma Tre, 00146, Rome, Italy
35
School of Physics and Astronomy, University of Southampton, Southampton, SO17 1BJ, UK
36
Theory Center, KEK, Tsukuba, Ibaraki, 305-0801, Japan
37
Instituto de Fisica Corpuscular (IFIC), Centro mixto UVEG/CSIC, Edificio Institutos de Investigacion, Apartado de Correos 22085, 46071, Valencia, Spain
38
Paul Scherrer Institut, Würenlingen and Villigen, 5232, Villigen PSI, Switzerland
39
Department of Physics, Baylor University, Waco, TX, 76798-7316, USA
40
Fachbereich C, Bergische Universität Wuppertal, 42097, Wuppertal, Germany
41
Deutsches Elektronen-Synchrotron, DESY, 15738, Zeuthen, Germany
* e-mail: henryk.czyz@us.edu.pl
** e-mail: guido.montagna@pv.infn.it
*** e-mail: graziano.venanzoni@lnf.infn.it
Received:
3
December
2009
Published online:
23
February
2010
We present the achievements of the last years of the experimental and theoretical groups working on hadronic cross section measurements at the low-energy e + e − colliders in Beijing, Frascati, Ithaca, Novosibirsk, Stanford and Tsukuba and on τ decays. We sketch the prospects in these fields for the years to come. We emphasise the status and the precision of the Monte Carlo generators used to analyse the hadronic cross section measurements obtained as well with energy scans as with radiative return, to determine luminosities and τ decays. The radiative corrections fully or approximately implemented in the various codes and the contribution of the vacuum polarisation are discussed.
© Springer-Verlag / Società Italiana di Fisica, 2010