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Measurement of negatively charged pion spectra in inelastic p+p interactions at 20, 31, 40, 80 and 158 GeV/c | | NA61/SHINE Collaboration
; N. Abgrall
; A. Aduszkiewicz
; Y. Ali
; T. Anticic
; N. Antoniou
; B. Baatar
; F. Bay
; A. Blondel
; J. Blumer
; M. Bogomilov
; A. Bravar
; J. Brzychczyk
; S. A. Bunyatov
; O. Busygina
; P. Christakoglou
; T. Czopowicz
; N. Davis
; S. Debieux
; H. Dembinski
; F. Diakonos
; S. Di Luise
; W. Dominik
; T. Drozhzhova
; J. Dumarchez
; K. Dynowski
; R. Engel
; A. Ereditato
; G. A. Feofilov
; Z. Fodor
; A. Fulop
; M. Gaździcki
; M. Golubeva
; K. Grebieszkow
; A. Grzeszczuk
; F. Guber
; A. Haesler
; T. Hasegawa
; M. Hierholzer
; R. Idczak
; S. Igolkin
; A. Ivashkin
; D. Joković
; K. Kadija
; A. Kapoyannis
; N. Katryńska
; E. Kaptur
; D. Kiełczewska
; M. Kirejczyk
; J. Kisiel
; T. Kiss
; S. Kleinfelder
; T. Kobayashi
; V. I. Kolesnikov
; D. Kolev
; V. P. Kondratiev
; A. Korzenev
; S. Kowalski
; A. Krasnoperov
; A. Kurepin
; D. Larsen
; A. László
; V. V. Lyubushkin
; M. Maćkowiak-Pawłowska
; Z. Majka
; B. Maksiak
; A. I. Malakhov
; D. Manić
; A. Marcinek
; V. Marin
; K. Marton
; H.-J. Mathes
; T. Matulewicz
; V. Matveev
; G. L. Melkumov
; St. Mrówczyński
; S. Murphy
; T. Nakadaira
; M. Nirkko
; K. Nishikawa
; T. Palczewski
; G. Palla
; A. D. Panagiotou
; T. Paul
; C. Pistillo
; W. Peryt
; O. Petukhov
; R. Płaneta
; J. Pluta
; B. A. Popov
; M. Posiadała
; S. Puławski
; J. Puzović
; W. Rauch
; M. Ravonel
; A. Redij
; R. Renfordt
; A. Robert
; D. Röhrich
; E. Rondio
; M. Roth
; A. Rubbia
; A. Rustamov
; M. Rybczynski
; A. Sadovsky
; K. Sakashita
; M. Savić
; K. Schmidt
; T. Sekiguchi
; P. Seyboth
; D. Sgalaberna
; M. Shibata
; R. Sipos
; E. Skrzypczak
; M. Słodkowski
; P. Staszel
; G. Stefanek
; J. Stepaniak
; H. Ströbele
; T. Šuša
; M. Szuba
; M. Tada
; V. Tereshchenko
; T. Tolyhi
; R. Tsenov
; L. Turko
; R. Ulrich
; M. Unger
; M. Vassiliou
; D. Veberič
; V. V. Vechernin
; G. Vesztergombi
; L. Vinogradov
; A. Wilczek
; Z. Włodarczyk
; A. Wojtaszek-Szwarc
; O. Wyszyński
; L. Zambelli
; W. Zipper
; | | Date: |
9 Oct 2013 | | Abstract: | Experimental results on inclusive spectra and mean multiplicities of
negatively charged pions produced in inelastic p+p interactions at 20, 31, 40,
80 and 158 GeV/c ($sqrt{s}$ = 6.3, 7.7, 8.8, 12.3 and 17.3 GeV, respectively)
are presented. The measurements were performed using the large acceptance
NA61/SHINE hadron spectrometer at the CERN Super Proton Synchrotron. These data
are part of the NA61/SHINE ion program devoted to the study of the properties
of the onset of deconfinement and search for the critical point of strongly
interacting matter. They are required for interpretation of results on
nucleus-nucleus and proton-nucleus collisions. Two dimensional spectra in
transverse momentum and rapidity corrected for experimental biases are given.
Their properties such as the width of rapidity distributions and the inverse
slope parameter of transverse mass spectra are extracted and their collision
energy dependence is presented. The results on inelastic p+p interactions are
compared with the corresponding data on central Pb+Pb collisions measured by
the NA49 experiment at the CERN SPS. Differences and similarities are
identified. | | Source: | arXiv, 1310.2417 | | Services: | Forum | Review | PDF | Favorites | |
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