f0(980) resonance production in pp collisions with the ALICE detector at the LHC

  • Yazar/lar KARASU UYSAL, Ayben
    ALICE Collaboration
  • Yayın Türü Makale
  • Yayın Tarihi 2019
  • DOI Numarası 10.1016/j.nuclphysa.2018.09.023
  • Yayıncı ELSEVIER SCIENCE BV
  • Tek Biçim Adres http://hdl.handle.net/20.500.12498/4443

We report on a preliminary study of the production of f(0)(980) -> pi(+)pi(-) at mid-rapidity (vertical bar y vertical bar < 0.5) performed with the ALICE detector at the LHC in minimum bias pp collisions at the centre-of-mass energy root s = 5.02 TeV. The f(0)(980) signal extraction is challenging due to the large background from correlated pi(+)pi(-) pairs from other resonance decays in the invariant mass window under study, as well as due to the combinatorics from uncorrelated pairs. We present the strategy for the signal extraction and first results in terms of p(T)-dependent production yields. The results are discussed and compared with production yields of other resonances and stable hadrons.

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Detaylı Görünüm
ISSN
(dc.identifier.issn)
0375-9474
Yayıncı
(dc.publisher)
ELSEVIER SCIENCE BV
Eser Adı
(dc.title)
f0(980) resonance production in pp collisions with the ALICE detector at the LHC
Özet
(dc.description.abstract)
We report on a preliminary study of the production of f(0)(980) -> pi(+)pi(-) at mid-rapidity (vertical bar y vertical bar < 0.5) performed with the ALICE detector at the LHC in minimum bias pp collisions at the centre-of-mass energy root s = 5.02 TeV. The f(0)(980) signal extraction is challenging due to the large background from correlated pi(+)pi(-) pairs from other resonance decays in the invariant mass window under study, as well as due to the combinatorics from uncorrelated pairs. We present the strategy for the signal extraction and first results in terms of p(T)-dependent production yields. The results are discussed and compared with production yields of other resonances and stable hadrons.
Yayın Tarihi
(dc.date.issued)
2019
Kayıt Giriş Tarihi
(dc.date.accessioned)
2020-08-07T14:18:06Z
Açık Erişim tarihi
(dc.date.available)
2020-08-07T14:18:06Z
Yayın Dili
(dc.language.iso)
eng
Yayın Türü
(dc.type)
Makale
Yazar/lar
(dc.contributor.author)
KARASU UYSAL, Ayben
Yazar/lar
(dc.contributor.author)
ALICE Collaboration
Tek Biçim Adres
(dc.identifier.uri)
http://hdl.handle.net/20.500.12498/4443
DOI Numarası
(dc.identifier.doi)
10.1016/j.nuclphysa.2018.09.023
Atıf Dizini
(dc.source.database)
Wos
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