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Mass of the Proton

Characterization of intracranial mass lesions with in vivo proton MR spectroscopy

Characterization of intracranial mass lesions with in vivo proton MR spectroscopy

... creatine along with lipid and/or lactate, whereas low-grade gliomas (n 5 23) were characterized by low N-acetyl-aspartate and creatine and high choline and presence of only lactate. N-acetyl- aspartate/choline ratio was ...

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OH clock determination by proton transfer reaction mass spectrometry at an environmental chamber

OH clock determination by proton transfer reaction mass spectrometry at an environmental chamber

... Abstract. The hydroxyl free radical (OH) is the major oxi- dizing species in the lower atmosphere. Measuring the OH concentration is generally difficult and involves elaborate, expensive, custom-made experimental setups. ...

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Measurement of the 52Fe mass via the precise proton-decay energy of 53Com

Measurement of the 52Fe mass via the precise proton-decay energy of 53Com

... Its proton capture rate, which has a direct correlation with its mass, is one of the most important nuclear physics input parameters for the calculations of steady state burning on an accreting neutron ...

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Resolution of volatile fuel compound profiles from Ascocoryne sarcoides: a comparison by proton transfer reaction-mass spectrometry and solid phase microextraction gas chromatography-mass spectrometry

Resolution of volatile fuel compound profiles from Ascocoryne sarcoides: a comparison by proton transfer reaction-mass spectrometry and solid phase microextraction gas chromatography-mass spectrometry

... a proton transfer reaction-mass spectrometry (PTR-MS) and at distinct time points with gas chromatography-mass spectrometry (GC-MS) using head space solid phase microextraction ...

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Measurement of atmospheric sesquiterpenes by proton transfer reaction-mass spectrometry (PTR-MS)

Measurement of atmospheric sesquiterpenes by proton transfer reaction-mass spectrometry (PTR-MS)

... and proton transfer reaction ...the mass discrimina- tion of the PTR-MS system suggest that quantitative SQT measurements within 20% accuracy can be achieved with PTR-MS if two major product ions (m/z 149 + ...

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Neutron-Proton Mass Difference in Nuclear Matter and in Finite Nuclei and the Nolen-Schiffer Anomaly

Neutron-Proton Mass Difference in Nuclear Matter and in Finite Nuclei and the Nolen-Schiffer Anomaly

... neutron-proton mass difference are slightly increased in finite nuclei rel- ative to the vacuum ...nucleon mass is strongly reduced at the center of the nu- ...

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Proton mass decomposition

Proton mass decomposition

... the proton mass and thus the mass of nuclei and atoms is another ...the proton are just ∼ 3 MeV per quark which is directly related to the Higgs boson, while the total proton ...

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Search for high-mass diphoton resonances in proton-proton collisions at 13 TeV and combination with 8 TeV search

Search for high-mass diphoton resonances in proton-proton collisions at 13 TeV and combination with 8 TeV search

... The photon candidates in an event are grouped into all pos- sible pairs. At least one photon candidate in the pair must have | η | < 1 . 44, i.e., be reconstructed in the barrel. Events with both photons in the ...

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Properties of jets measured from tracks in proton proton collisions at center of mass energy √s=7 TeV with the ATLAS detector

Properties of jets measured from tracks in proton proton collisions at center of mass energy √s=7 TeV with the ATLAS detector

... In this work the properties of low-momentum jets are measured from charged particle tracks in the ATLAS 2010 data at center-of-mass energy p ffiffiffi s ¼ 7 TeV . These proper- ties will be compared to a range of Monte ...

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Search for high-mass new phenomena in the dilepton final state using proton–proton collisions at √s=13TeV with the ATLAS detector

Search for high-mass new phenomena in the dilepton final state using proton–proton collisions at √s=13TeV with the ATLAS detector

... In the dimuon channel, contributions from W + jets and multi- jet production are negligible, and therefore are not included in the expected yield. However, the W + jets, multi-jet and other production processes, where at ...

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Measurement of alkyl and multifunctional organic nitrates by proton-transfer-reaction mass spectrometry

Measurement of alkyl and multifunctional organic nitrates by proton-transfer-reaction mass spectrometry

... Besides the poor temporal resolution, another major draw- back of this method is represented by the recovery factor decline with longer times in the chromatographic columns. According to Roberts et al. (2002), the ...

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A Measurement of Jet Shapes in Proton Proton Collisions at 7 0 TeV Center of Mass Energy with the ATLAS Detector at the Large Hadron Collider

A Measurement of Jet Shapes in Proton Proton Collisions at 7 0 TeV Center of Mass Energy with the ATLAS Detector at the Large Hadron Collider

... multiple proton-proton interactions in a single ...one proton-proton ...23 proton-proton interactions are expected on average for every bunch ...

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Evidence for the Higgs boson in the H->WW->lnulnu decay channel

Evidence for the Higgs boson in the H->WW->lnulnu decay channel

... For 8 TeV proton-proton collisions, the collisions producing Higgs bosons are x ⇠ 0.01 0.02, which are mostly gluons as shown in red on the PDF in Figure 2.4. The large amount of gluon collisions makes them ...

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Search for Stop Pair Production at the LHC using the CMS Detector

Search for Stop Pair Production at the LHC using the CMS Detector

... in proton-proton collisions at a center-of-mass energy of √ s = 8 TeV is performed in a sample with a single isolated electron or muon, jets, large missing transverse energy and large transverse ...

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Teachingnotes27.4Massandenergy.doc

Teachingnotes27.4Massandenergy.doc

... the mass defect in atomic mass units (u) and in kilograms for the copper nucleus which has 63 nucleons, and a proton number of 29? What is the binding energy in J and eV? What is the binding energy ...

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Study of the population of neutron-rich heavy nuclei in the A~200 mass region via multinucleon transfer reactions

Study of the population of neutron-rich heavy nuclei in the A~200 mass region via multinucleon transfer reactions

... for proton transfer channels, may be modest. Figure 3 shows the mass integrated Z distribution corre- sponding to the nuclear species populated in the ...produced proton pick-up channels, are in the ...

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Search for WIMP dark matter produced in association with a Z boson with the ATLAS detector

Search for WIMP dark matter produced in association with a Z boson with the ATLAS detector

... the mass scale of the contact interaction as a function of the dark matter particle mass and the lim- its on the coupling and scalar particle mediator mass for 8 TeV proton-proton ...

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The Oscillating Universe Theory  (To the Unified Field Theory)

The Oscillating Universe Theory (To the Unified Field Theory)

... electron, proton, photon and ...electron mass are being increased at the ...electron mass within the last 15 billion years and that is displayed in the red shift; the proton mass being ...

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PTR-QMS versus PTR-TOF comparison in a region with oil and natural gas extraction industry in the Uintah Basin in 2013

PTR-QMS versus PTR-TOF comparison in a region with oil and natural gas extraction industry in the Uintah Basin in 2013

... standard proton-transfer- reaction quadrupole mass spectrometer (PTR-QMS) with a new proton-transfer-reaction time of flight mass spectrom- eter (PTR-TOF) during the Uintah Basin Winter Ozone ...

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