| Makale Türü |
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| Dergi Adı | Physics Letters Section B Nuclear Elementary Particle and High Energy Physics | ||
| Dergi ISSN | 0370-2693 Wos Dergi Scopus Dergi | ||
| Makale Dili | İngilizce | Basım Tarihi | 03-2016 |
| Cilt / Sayı / Sayfa | 754 / 1 / 59–80 | DOI | 10.1016/j.physletb.2016.01.010 |
| Makale Linki | https://www.sciencedirect.com/science/article/am/pii/S0370269316000149?via%3Dihub | ||
| UAK Araştırma Alanları |
Fen Bilimleri ve Matematik
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| Özet |
| We present a measurement of b jet transverse momentum (p T) spectra in proton-lead (pPb) collisions using a dataset corresponding to about 35 nb− 1 collected with the CMS detector at the LHC. Jets from b quark fragmentation are found by exploiting the long lifetime of hadrons containing ab quark through tagging methods using distributions of the secondary vertex mass and displacement. Extracted cross sections for b jets are scaled by the effective number of nucleon–nucleon collisions and are compared to a reference obtained from pythia simulations of pp collisions. The pythia-based estimate of the nuclear modification factor is found to be 1.22±0.15 (stat+ syst pPb)±0.27 (syst PYTHIA) averaged over all jets with p T between 55 and 400 GeV/c and with| η lab|< 2. We also compare this result to predictions from models using perturbative calculations in quantum chromodynamics. |
| Anahtar Kelimeler |
| b-tagging | CMS | Heavy ions | Physics |
| Atıf Sayıları | |
| Scopus | 41 |
| Google Scholar | 47 |
| Dergi Adı | PHYSICS LETTERS B |
| Yayıncı | Elsevier B.V. |
| Açık Erişim | Evet |
| ISSN | 0370-2693 |
| E-ISSN | 1873-2445 |
| CiteScore | 9,1 |
| SJR | 1,593 |
| SNIP | 1,175 |